What is the radius of a circle that has a circumference of 68 cm

Answers

Answer 1

Step-by-step explanation:

The formula to calculate the circumference (C) of a circle is C = 2πr, where r represents the radius of the circle.

In this case, the given circumference is 68 cm. Plugging this value into the formula, we can solve for the radius (r):

68 = 2πr

To find the radius, we can divide both sides of the equation by 2π:

r = 68 / (2π)

Using an approximate value of π ≈ 3.14159, we can calculate the radius:

r ≈ 68 / (2 × 3.14159) ≈ 10.8419 cm

Therefore, the radius of the circle, which has a circumference of 68 cm, is approximately 10.8419 cm.

Answer 2
GiveN:-Circumference of Circle = 68 cmTo finD:-Radius of Circle = ??SolutioN:- Circumference = 2 π r 68 = 2 π r 68 = 2 × (22/7) × r 68 = (2 × 22/7) × r 68 = (44/7) × r (44/7) × r = 68 44 × r = 68 × 7 44 × r = 476 r = 476/44➝ r = 10.8 cm

Therefore, The Radius of the Circle is 10.8 cm.


Related Questions

Deacon Company is a merchandising company that is preparing abudget for the three-month period ended June 30th. The followinginformation is availableDeacon CompanyBalance SheetMarch 31AssetsCash$60,200 Accounts receivable $30,800Inventory $60,400Buildings and equipment, net of depreciation $124,000Total assets$295,400Liabilities and Stockholders’EquityAccounts payable$71,100Common stock 70,000Retained earnings $134,300Total liabilities and stockholder...

Answers

The total liabilities and stockholders' equity for Deacon Company as of March 31st is $275,400.

To calculate the total liabilities and stockholders' equity, we need to add the amounts of accounts payable, common stock, and retained earnings. Accounts Payable: The balance sheet provides the information that the accounts payable is $71,100.

Common Stock: The balance sheet states that the common stock is $70,000.

Retained Earnings: The balance sheet shows that the retained earnings are $134,300.

Calculate the total liabilities and stockholders' equity: Add the amounts of accounts payable, common stock, and retained earnings.

Total liabilities and stockholders' equity = Accounts payable + Common stock + Retained earnings

= $71,100 + $70,000 + $134,300

= $275,400

Therefore, the total liabilities and stockholders' equity for Deacon Company as of March 31st is $275,400.

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please help me !!!!!!!

Answers

Answer:

F(5)= -1

if 5 is the value on the x axis it corresponds to -1 on the y axis

2.6m 11m Jenny wants to know if she has got enough money to buy the tiles. 1.4m The tiles are sold in packs, which cover 3m² Jenny has a discount card which gives her 25% off any marked price at the DIY shop. The tiles are marked at £18.60 Jenny has £100 to spend on the tiles. 4 How much extra does Jenny need to buy the tiles? Give your answer in pence.​

Answers

First, we need to calculate the area of the room Jenny is tiling, which appears to be in the shape of a rectangle. The area is calculated by multiplying the length and width of the rectangle. If the measurements provided (2.6m and 11m) are for the length and width, then the area of the room would be:

Area = length x width

Area = 2.6m x 11m

Area = 28.6 m²

Next, we need to calculate how many packs of tiles Jenny needs to buy. Given that each pack covers an area of 3m², we divide the total area by the area each pack covers:

Number of packs needed = total area / area covered by one pack

Number of packs needed = 28.6m² / 3m² ≈ 9.53 packs

Since Jenny can't buy a fraction of a pack, she needs to purchase 10 packs of tiles.

The tiles are marked at £18.60, so before the discount, the total cost of the tiles would be:

Total cost = number of packs x price per pack

Total cost = 10 packs x £18.60 = £186

Jenny has a discount card which gives her a 25% discount off the marked price. The discount amount can be calculated as:

Discount = total cost x discount rate

Discount = £186 x 25% = £46.5

So, the cost of the tiles after the discount is:

Discounted price = total cost - discount

Discounted price = £186 - £46.5 = £139.5

Jenny has £100 to spend on the tiles. The extra amount Jenny needs is the difference between the cost of the tiles after the discount and the amount she has:

Extra amount needed = discounted price - amount Jenny has

Extra amount needed = £139.5 - £100 = £39.5

The question asks for the answer in pence, and there are 100 pence in a pound, so:

Extra amount needed in pence = extra amount needed in pounds x 100

Extra amount needed in pence = £39.5 x 100 = 3950 pence

Therefore, Jenny needs an extra 3950 pence to buy the tiles.

(−x² − 1) ÷ (x + 1)
Help

Answers

The simplified form of the expression (-X2-1) ÷ (x + 1) is -x - 1 - 2/(x+1).

given the line y= -6x +5 what is the line nslope and the y - intercept​

Answers

According to slope intersept form : y = mx+b

m is slope and b is y intersept

so y = -6x+5

slope(m) = -6

y intersept = 5

HOPE IT HELPS

PLEASE GIVE BRAINLIEST

NO LINKS!! URGENT HELP PLEASE!!!

1. Find the sum of the measures of the interior angles of the indicated polygons. (NOT MULTIPLE CHOICE)
a. heptagon

b. 13-gon

2. The sum of the measures of the interior angles of a convex polygon is 1260°. Classify the polygon by the number of sides.

Answers

1a. Sum of interior angles of a heptagon:

[tex]\displaystyle \sf \text{Sum of interior angles} = (7 - 2) \times 180^\circ = 900^\circ[/tex]

1b. Sum of interior angles of a 13-gon:

[tex]\displaystyle \sf \text{Sum of interior angles} = (13 - 2) \times 180^\circ = 1980^\circ[/tex]

2. Number of sides for a polygon with a sum of interior angles of 1260°:

[tex]\displaystyle \sf (n - 2) \times 180^\circ = 1260^\circ[/tex]

[tex]\displaystyle \sf n - 2 = \frac{1260^\circ}{180^\circ}[/tex]

[tex]\displaystyle \sf n - 2 = 7[/tex]

[tex]\displaystyle \sf n = 7 + 2 = 9[/tex]

Therefore, the sum of the measures of the interior angles of a heptagon is 900°, the sum of the measures of the interior angles of a 13-gon is 1980°, and the polygon with a sum of interior angles of 1260° is a nonagon (9-gon).

[tex]\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}[/tex]

♥️ [tex]\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}[/tex]

Answer:

1. a. 900°       b. 1980°

2. Nonagon

Step-by-step explanation:

In order to find the interior angles of a polygon, use the formula,

Sum of interior angles = (n-2)*180°

For

a. Heptagon

no of side =7

The sum of the interior angles of a heptagon:

(7-2)*180 = 900°

b. 13-gon

no. of side =13

The sum of the interior angles of a 13-gon:
(13-2)*180 = 1980°

2.

The sum of the interior angles of a convex polygon is 1260°,

where n is the number of sides.

In this case, we have

1260 = (n-2)*180

1260/180=n-2

n-2=7

n=7+2

n=9

Therefore, the polygon has 9 sides and is classified as a nonagon.

When is it better to have a session pass versus just paying general admission?

After 8 visits: How much would each person pay? Show your work for calculations.

Session Pass______? General Admission______?

After 10 visits: How much would each person pay? Show your work for calculations.

Session pass _____? General Admission_____?

Answers

After 8 visits: General Admission: Each person would pay $200. Annual Public Session Pass: Each person would pay $299.

After 10 visits: General Admission: Each person would pay $250. Annual Public Session Pass: Each person would still pay $299.

To determine when it is better to have a session pass versus just paying general admission, we need to compare the costs for each option.

General Admission with skate rental: $25

Annual Public Session Pass with skate rental: $299

After 8 visits:

For General Admission, the cost per visit would be $25 per visit.

Total cost for 8 visits: $25 x 8 = $200

For the Annual Public Session Pass, the cost is a one-time payment of $299, regardless of the number of visits. Therefore, after 8 visits, the cost remains the same at $299.

Therefore, after 8 visits, it would be more cost-effective to have the Annual Public Session Pass as the cost per person would be $299.

After 10 visits:

For General Admission, the cost per visit remains at $25 per visit.

Total cost for 10 visits: $25 x 10 = $250

For the Annual Public Session Pass, the cost remains the same at $299, regardless of the number of visits.

Therefore, after 10 visits, it would still be more cost-effective to have the Annual Public Session Pass as the cost per person would still be $299.

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The following question may be like this:

When is it better to have a session pass versus just paying general admission? After 8 visits: How much would each person pay? Show your work for calculations. Session Pass______? General Admission______?After 10 visits: How much would each person pay? Show your work for calculations.Session pass _____? General Admission_____?

GENERAL ADMISSION WITH SKATE RENTAL  $25

ANNUAL PUBLIC SESSION PASS WITH SKATE RENTAL $299

LOCKER RENTAL-ONE TIME USE  $5

HELMET RENTAL  $5

SKATE HELPER-PER HOUR $15

A package is weighed at 11 kg to the nearest kg. Find the largest possible weight for the package.​

Answers

The largest possible weight for the package is 11.5 kg.

To find the largest possible weight for the package, we need to consider the range within which the weight lies when rounded to the nearest kilogram.

When the package is weighed at 11 kg to the nearest kilogram, it means the actual weight could be anywhere between 10.5 kg and 11.5 kg. This is because rounding to the nearest kilogram involves considering values halfway between two integers to round up or down.

To determine the largest possible weight, we take the upper limit of this range, which is 11.5 kg. Therefore, the largest possible weight for the package is 11.5 kg.

Keep in mind that when rounding to the nearest kilogram, values from 10.5 kg to 11.4 kg would round down to 11 kg, while values from 11.5 kg to 12.4 kg would round up to 12 kg.

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Solve 4563÷257 using long division method show the steps ​

Answers

2 5 7 ÷ 4 5 6 3

- 2 5 7

1993

- 1 7 9 9

Answer:

194

The base of a triangle is 21 inches and the height is 12 inches. Which of these expressions correctly shows how to calculate the area of a triangle?


A. (21 × 12) × 2

B. (21 + 12) ÷ 2

C. (21 + 12) × 2

D. (21 × 12) ÷ 2

Answers

Option D is the correct answer
Final answer:

The correct expression to calculate the area of a triangle with a base of 21 inches and height of 12 inches is (21 × 12) ÷ 2.

Explanation:

The subject of your question is Mathematics, specifically dealing with the topic of how to calculate the area of a triangle. The formula to calculate the area of a triangle is 1/2 multiplied by the base multiplied by the height. So, in your question where the base of the triangle is 21 inches and the height is 12 inches, the correct choice would be D. (21 × 12) ÷ 2 which applies the formula correctly.

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The two figures are similar. Write a Similarity statement. Justify your answer. AB 40 AC 50. BC 60. YX 37.5. YZ 30. ZX 45

Answers

Similarity statement and justification for two similar figures with given measurements. The given figures are AB = 40, AC = 50, and BC = 60. For the second figure, YX = 37.5, YZ = 30, and ZX = 45.

To write a similarity statement, we compare the ratios of corresponding sides of the two figures. So, we can compare AB/BC to YX/ZX and AC/BC to YZ/ZX.AB/BC = 40/60 = 2/3YX/ZX = 37.5/45 = 5/6AC/BC = 50/60 = 5/6YZ/ZX = 30/45 = 2/3Since the ratios of the corresponding sides of both figures are the same, we can say that the two figures are similar.

A similarity statement for these figures can be written as:ΔABC ~ ΔXYZThis statement indicates that the two triangles ABC and XYZ are similar. The symbol ~ is used to denote similarity.

The justification for this similarity statement is based on the fact that the ratios of the corresponding sides of the two figures are equal.

Therefore, by the definition of similarity, we can conclude that the two triangles are similar.

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Which equation represents a line which is perpendicular to the line y = - 6/5 * x - 7

Answers

An equation representing a line perpendicular to y = -6/5 [tex]\times[/tex] x - 7 would be y = 5/6 [tex]\times[/tex] x + c, where c is any constant.

To determine a line that is perpendicular to the given line y = -6/5 [tex]\times[/tex] x - 7, we need to consider the slope of the given line.

The given line has a slope of -6/5.

For two lines to be perpendicular, their slopes must be negative reciprocals of each other.

The negative reciprocal of -6/5 can be found by flipping the fraction and changing the sign, which gives us 5/6.

Therefore, the equation of a line perpendicular to y = -6/5 [tex]\times[/tex] x - 7 will have a slope of 5/6.

To find the equation of this perpendicular line, we can use the point-slope form of a line, using a known point on the line.

Let's assume the line passes through the point (x1, y1).

The equation of the perpendicular line can be written as: y - y1 = (5/6) [tex]\times[/tex] (x - x1).

Since we do not have a specific point given, we cannot determine the exact equation of the perpendicular line without additional information.

In summary, the equation of a line perpendicular to y = -6/5 [tex]\times[/tex] x - 7 will have a slope of 5/6, but the specific equation depends on the point it passes through.

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Compute $2^{-3}\cdot 3^{-2}$.

Answers

The value of the algebric  expression [tex]2^{-3} \cdot 3^{-2}$ is $\frac{1}{72}[/tex].

To compute the expression [tex]2^{-3} \cdot 3^{-2}[/tex], we can simplify each term separately and then multiply the results.

First, let's simplify [tex]2^{-3}[/tex]. The exponent -3 indicates that we need to take the reciprocal of the base raised to the positive exponent 3. Therefore, [tex]2^{-3} = \frac{1}{2^3} = \frac{1}{8}[/tex].

Next, let's simplify 3^{-2}. Similar to before, the exponent -2 means we need to take the reciprocal of the base raised to the positive exponent 2. So, [tex]3^{-2} = \frac{1}{3^2} = \frac{1}{9}[/tex].

Now that we have simplified both terms, we can multiply them together: [tex]\frac{1}{8} \cdot \frac{1}{9}[/tex]. When multiplying fractions, we multiply the numerators together and the denominators together. So, [tex]\frac{1}{8} \cdot \frac{1}{9} = \frac{1 \cdot 1}{8 \cdot 9} = \frac{1}{72}[/tex].

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NO LINKS!! URGENT HELP PLEASE!!
Please help with #3

Answers

Answer:  See the flowchart proof below.

Explanation:

The given info is indicated by the marked angles. We also use the reflexive property to say that BG = BG. After that we use the ASA (angle side angle) property to prove the triangles are congruent. The triangles are mirrored clones of one another. The mirror line is segment BG.

A flowchart proof that proves that the two triangles are congruent is shown in the image below.

What are the properties of similar triangles?

In Mathematics and Geometry, two triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.

In this context, we can prove that triangle BIG is congruent with triangle BAG by completing the two-column proof shown above with the following reasons:

Statements                                Reasons

∠IBG ≅ ∠ABG                              Given

∠IGB ≅ ∠AGB                              Given

BG ≅ BG                               Reflexive property

ΔBIG ≅ ΔBAG                       ASA Congruence

Based on the angle, side, angle (ASA) similarity theorem, we can logically deduce that triangle BIG and triangle BAG are both congruent.

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Question 6 of 22 The graph of a function never has two different points with the same x-coordinate because A. the graph of a function cannot be a straight line. • B. each input value is mapped to a single output value • C. the graph of a function is a vertical line. • D. each input value is mapped to more than one output value.

Answers

The correct answer is B. each input value is mapped to a single output value.

In a function, each input value (x-coordinate) is associated with exactly one output value (y-coordinate). This means that for any given x-value, there can only be one corresponding y-value on the graph of a function. Therefore, the graph of a function never has two different points with the same x-coordinate.

17 students are present in a class. in how many ways ,they can be made to stand in 2 circles of 8 and 9 students

Answers

Answer:

24310

Step-by-step explanation:

17 choose 8= 17 choose 9

17 choose 8= 17*16*15*14*13*12*11*10/8!= 24310

Si 3,390 kg de plomo ocupan un volumen de 0.3m3. Encuentra la densidad del plomo.

Answers

The density of lead is 11,300 kg/[tex]m^3[/tex], which means that lead is a dense material with a significant mass per unit volume.

To find the density of lead, we can use the formula:

Density = Mass / Volume

Given that the mass of lead is 3,390 kg and the volume is 0.3 [tex]m^3[/tex], we can substitute these values into the formula:

Density = 3,390 kg / 0.3[tex]m^3[/tex]

To simplify the calculation, we divide the mass by the volume:

Density = 11,300 kg/[tex]m^3[/tex]

Therefore, the density of lead is 11,300 kg/[tex]m^3[/tex].

Density is a physical property of a substance that describes how much mass is packed into a given volume. In this case, the density of lead tells us that for every cubic meter of lead, there are 11,300 kilograms of mass.

It is important to note that the density of lead is a characteristic property and remains constant regardless of the size or shape of the sample. It is a useful parameter in various scientific and industrial applications.

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The question probable may be:

If 3,390 kg of lead occupy a volume of 0.3 m^3, find the density of lead.

There are 10 balls with different sizes. You take 4 random balls out of the 10 balls each time and then put them back. What is the probability that you will take the smallest ball at least once during 4 tries?

Answers

The probability of taking the smallest ball at least once during 4 tries can be calculated as 1 minus the probability of not taking the smallest ball in any of the 4 tries. Since each try is independent and the probability of not taking the smallest ball in a single try is 9/10, the probability of not taking it in all 4 tries is (9/10) * (9/10) * (9/10) * (9/10) = 0.6561. Therefore, the probability of taking the smallest ball at least once during 4 tries is 1 - 0.6561 = 0.3439, or approximately 34.39%.

To find the probability of not taking the smallest ball in any of the 4 tries, we need to calculate the probability of not selecting the smallest ball in each try and then multiply them together.

In each try, there are 9 balls remaining that are not the smallest ball, out of a total of 10 balls. Therefore, the probability of not taking the smallest ball in a single try is 9/10.

Since the tries are independent events, we can multiply the probabilities together to find the probability of not taking the smallest ball in all 4 tries.

After calculating this probability, we subtract it from 1 to obtain the probability of taking the smallest ball at least once during the 4 tries.

In this case, the probability of not taking the smallest ball in all 4 tries is (9/10) * (9/10) * (9/10) * (9/10) = 0.6561.

Finally, subtracting this value from 1 gives us the probability of taking the smallest ball at least once, which is 1 - 0.6561 = 0.3439, or approximately 34.39%.

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Find the regression line associated with the set of points. (Round all coefficients to four decimal places.) HINT [See Example 2.] (4, 6), (6, 10), (10, 14), (12, 2) y(x) =

Answers

The y-intercept, b, can be calculated as:

b = (Σy - mΣx) / n

To find the regression line associated with the set of points (4, 6), (6, 10), (10, 14), and (12, 2), we can use the least squares method. The regression line represents the best-fit line that minimizes the sum of the squared differences between the observed y-values and the predicted y-values on the line.

The equation for the regression line, y(x), can be written in the form y = mx + b, where m is the slope of the line and b is the y-intercept.

Using the given points, we can calculate the slope, m, and the y-intercept, b, to obtain the equation of the regression line.

The slope, m, is calculated as:

m = (nΣxy - ΣxΣy) / (nΣ[tex]x^2[/tex] - (Σ[tex]x)^2[/tex])

where n is the number of points, Σxy is the sum of the product of x and y values, Σx is the sum of the x-values, and Σy is the sum of the y-values.

Similarly, the y-intercept, b, can be calculated as:

b = (Σy - mΣx) / n

By substituting the given values into the formulas and performing the calculations, the equation for the regression line can be obtained.

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Giraffe jack is 19ft tall, and ostrich Jim is 9ft tall. What percent of Jim’s height is jacks height?

Answers

Answer:

211%

Step-by-step explanation:

percent = part/whole × 100%

percent = 19/9 × 100%

percent = 211%

A fish tank is 50 cm long and 40 cm wide and 20 cm high how many millimeters of water does the tank hold

Answers

Answer:

The fish tank holds 40,000 ml of water.

Step-by-step explanation:

Volume = Length x Width x Height

Volume = 50 x 40 x 20

Volume = 40,000

Pls help I am stuck Tysm

Answers

Answer:

16cm

Step-by-step explanation:

perimeter for C is 44cm

perimeter for A and B 60cm

60cm-44cm=16cm

Hope this helps

(24)³-(13)³-(11)³ Without actually calculating the cubes, evaluate.​

Answers

By applying the algebraic identity, the expression (24)³ - (13)³ - (11)³ can be simplified as (11)(1057) - (11)³ = 10396, without actually calculating the cubes.

How to Evaluate the expression without Calculating the Cubes?

The expression (24)³ - (13)³ - (11)³ can be evaluated without calculating the cubes by applying the concept of algebraic identities.

By using the identity (a³ - b³) = (a - b)(a² + ab + b²), we can rewrite the expression as (24 - 13)(24² + 24*13 + 13²) - (11)³.

Simplifying further, we have (11)(576 + 312 + 169) - (11)³.

Combining like terms, the expression evaluates to (11)(1057) - (11)³.

Finally, we can simplify to obtain the result of 11 multiplied by 1057 minus 11 cubed, without actually calculating the cubes. The simplified expression (24)³ - (13)³ - (11)³ evaluates to 10396.

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write the first five multiples of 17​

Answers

Step-by-step explanation:

write the first five multiples of 17​

17 x 1 = 1717 x 2 = 3417 x 3 = 5117 x 4 = 6817 x 5 = 85

Therefore, the first five multiples of 17 are 17 , 34 , 51 , 68 and 85 .

Hi I could use some help with this question, thank you in advance.​
apologies for mislabeling this as college

Answers

Using the property of vertical angles, the value of x is 24 degrees

What are vertical angles?

Vertical angles are a pair of non-adjacent angles formed by the intersection of two lines. They are opposite each other and share a common vertex, but they are not adjacent angles.

When two lines intersect, they form four angles at the point of intersection. The vertical angles are the angles that are directly across from each other and are formed by opposite pairs of intersecting lines. In other words, if you draw a line segment connecting the vertices of the vertical angles, it will divide the intersection into two pairs of congruent angles.

The property of vertical angles is that they have equal measures. This means that if one vertical angle measures a certain number of degrees, the other vertical angle will also measure the same number of degrees.

In this problem, to find the value of x, we have to use the property of vertical angles which states that vertical angles are equal to one another.

This implies that ∠ABC = DBE

3x - 14 = 2x + 10

Collect like terms

3x - 2x = 10 + 14

x = 24°

The answer is option D.

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Work out the value of 408 5
Give your answer as a decimal.

Answers

The value of 408^5 is approximately 273,539,283,056,896. This is a large number that can be accurately calculated using a calculator or computer program.

To work out the value of 408^5, we need to perform the exponentiation calculation. In this case, 408 is the base, and 5 is the exponent.

Calculating large exponentiations like this can be time-consuming and prone to error if done manually. However, with the help of a calculator or computer, we can easily find the result.

Using a calculator or computer program, we can calculate 408^5 and obtain the value. The result is a very large number:

408^5 ≈ 273,539,283,056,896

Therefore, the value of 408^5 is approximately 273,539,283,056,896.

In decimal notation, the value is written as:

273,539,283,056,896

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What is the solution to the system of equations graphed below?
A. (0, -1)
OB. (0,1)
OC. (-1,0)
D. (1,0)
S
PRE
y=-x-1
y=x+1
y=x+1
y=-x-1

Answers

The point of intersection is (-1, 0). Therefore, the correct answer is C. (-1, 0).

To find the solution to the system of equations graphed below, we need to identify the point where the two lines intersect.

The equations of the lines are:

y = -x - 1

y = x + 1

To find the point of intersection, we can set the two equations equal to each other and solve for x:

-x - 1 = x + 1

Adding x to both sides:

-1 = 2x + 1

Subtracting 1 from both sides:

-2 = 2x

Dividing both sides by 2:

x = -1

Now that we have the x-coordinate, we can substitute this value back into either equation to find the y-coordinate. Let's use the second equation:

y = x + 1

y = -1 + 1

y = 0

Therefore, the point of intersection is (-1, 0).

Among the given options, the closest point to (-1, 0) is option C: (-1, 0).

Therefore, the correct answer is C. (-1, 0).

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Question 9(Multiple Choice Worth 2 points)
(Theoretical Probability MC)
A fair, 6-sided die is rolled 50 times. Predict how many times it will land on a number greater than 3.


1/2
5
25
50

Answers

Answer:

A 1/2

Step-by-step explanation:

was on my test trust me on this one

1/2
On the dice there are six outcome (1,2,3,4,5,6)
1.3.5 - odd
2,4,6 - even
Therefore half of them are even outcomes
Even chance = 1/2
Hope this helps!

A merchant could sell one model of digital cameras at list price and receive $432 for all of them. If he had three more cameras, he could sell each one for $12 less and still receive $432. Find the list price of each camera.

Answers

The list price of each camera is approximately $26.59.

Let's assume the list price of each camera is represented by 'x'.

According to the given information, the merchant sold a certain number of cameras at the list price and received a total of $432. This can be expressed as:

Number of cameras * List price = Total revenue

x * Number of cameras = $432

Now, if the merchant had three more cameras and sold each one for $12 less, the new selling price would be (x - $12). The total revenue would still be $432. This can be expressed as:

(New number of cameras) * (New selling price) = Total revenue

(x + 3) * (x - $12) = $432

Expanding the equation:

x^2 - $12x + 3x - $36 = $432

x^2 - 9x - $468 = 0

To solve this quadratic equation, we can factor it or use the quadratic formula. Factoring this equation may not yield integer solutions, so we'll use the quadratic formula:

x = (-b ± √(b^2 - 4ac)) / (2a)

For our equation, a = 1, b = -9, and c = -468. Plugging these values into the quadratic formula:

x = (-(-9) ± √((-9)^2 - 4 * 1 * (-468))) / (2 * 1)

x = (9 ± √(81 + 1872)) / 2

x = (9 ± √(1953)) / 2

Calculating the square root of 1953 gives us approximately 44.17. Therefore, the two possible values for x are:

x1 = (9 + 44.17) / 2 ≈ 26.59

x2 = (9 - 44.17) / 2 ≈ -17.59

Since the price of a camera cannot be negative, we discard x2. Therefore, the list price of each camera is approximately $26.59.

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a.) The standard deviation is(round to two decimal places)
b.) The variance is(round to one decimal place)

c.) The range is

Answers

The answer is b Explanation; the variance has to be rounded to one decimal place
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