Write an equation to find the value of x and solve it. Round your answer to the nearest tenth if necessary.

x =

Write your equation and explain how you came up with your equation and how you solved it. What concepts apply to this problem? How do you know your answer is correct?

Answers

Answer 1

Answer:

x = 3

Step-by-step explanation:

If two secant segments intersect outside a circle, then the product of one secant segment with its external portion equals the product of the other secant segment with its external portion.

[tex](x + 9)(9) = (12 + 6)(6)[/tex]

[tex]9x + 81 = 108[/tex]

[tex]9x = 27[/tex]

[tex]x = 3[/tex]

Related Questions

Jordan's bathroom floor has been decorated with purple and white tiles.
The ratio of purple tiles to white tiles is (2x + 1): (4x + 13)
If of the tiles are purple, work out the value of x.

Answers

Using proportions, supposing that 30% of the tiles are purple, it is found that the value of x is of x = 16.

What is a proportion?

A proportion is a fraction of a total amount.

In this problem, the ratio of purple tiles to white tiles is given by:

[tex]\frac{2x + 1}{4x + 13}[/tex]

We consider that 30% of the tiles are purple, hence 70% are white, which means that:

[tex]\frac{2x + 1}{4x + 13} = \frac{3}{7}[/tex]

Applying cross multiplication:

14x + 7 = 12x + 39

2x = 32

x = 16.

The value of x is of x = 16.

More can be learned about proportions at https://brainly.com/question/24372153

whats the difference between-2/3 and-1/4=

Answers

Answer:

[tex]-\frac{5}{12}[/tex]

Step-by-step explanation:

[tex]-\frac{2}{3} -(-\frac{1}{4}) =-\frac{2\times4}{3\times4} +\frac{1\times3}{4\times3}[/tex]

[tex]=-\frac{8}{12} +\frac{3}{12}[/tex]

[tex]=\frac{-8+3}{12}[/tex]

[tex]=-\frac{5}{12}[/tex]

show that the derivative of an odd function is even function and viceversal

Answers

Step-by-step explanation:

Well, it's hard to generalize this. But I can show you a few examples using the power rule and some derivatives of trig functions. Lets say we have a function:

[tex]f(x) = {x}^{n} [/tex]

Then you should know it's derivative is:

[tex] \frac{df}{dx} = n {x}^{n - 1} [/tex]

For polynomial functions, a subtraction of 1 from the exponent will turn any odd function into an even, and any even function to an odd. An example of this is x^3, which is odd. The derivative is 3x^2, which is even. Another example, this time of a trig function, is sine and cosine. Sine is odd, while cosine is even. The derivative of sine is cosine, and the derivative of cosine is negative sine.

if there are nine students in the class and the three students decided to work together what portion of the wall would they use all together

Answers

Answer:

a third

Step-by-step explanation:

1/3

3 working together
—————————— 3/9 1/3
9 students total

What is the sum of 13/20 and 20/40?

Answers

Answer:

46/40, or 1 3/20

Step-by-step explanation:

given:

[tex] \frac{13}{20} + \frac{20}{40} [/tex]

to find:

the sum of the two fractions.

solution:

first find the LCM of the two denominators and rename the fractions with a common denominator atlast, add and simplify.

[tex] \frac{(13 \times 40) + (20 \times 20)}{20 \times 40} [/tex]

[tex] = \frac{520 + 400}{800} [/tex]

[tex] = \frac{920}{800} [/tex]

Reduce by dividing both the numerator and denominator by the Greatest Common Factor which is 40.

[tex] \frac{920 \div 40}{800 \div 40} = \frac{23}{20} [/tex]

[tex] = 1 \frac{3}{20} [/tex]

What is the term that describes how far the function rises above or below it's midline?

Period

Frequency

Amplitude

sine function

Answers

The term which defines how far a function rises or fall relative to its midline is; The Amplitude.

What is the term that describes rise or fall relative to the midline?

In some functions such as trigonometric functions in which case, the graph oscillates and hence, rises above or below a midline, the distance above or below the midline of such functions is described by the term amplitude.

Answers

Answer:

c and d

reason:

they dont go over 40 hours

Which choice is equivalent to the expression below?

√-81

A. √9i

B. i√9

C. 9i

D. -9

E. -√9

Answers

Answer:

Step-by-step explanation:

Remark

√-81 breaks down to two roots

√81 = 9√-1 = i

Solution

√-81 = i9

Answer

Venessa has a piggy bank that contains a collection of nickels, pennies, dimes and quarters. She randomly draws a coin out of the
Egy bank, records the result, and then replaces the coin. The results of her draws are shown below.

Based on the results above, predict the number of times a dime would be drawn if Venessa draws a coin 336 times.

A. 58

B. 36

C. 64

D. 38

Answers

Answer:

Step-by-step explanation:

Coins Number of Drawsnickel 32penny 54dime 13quarter 29Total Number of Draws = 32 + 54 + 13 + 29 = 128Probability of Quarter drawn = 29/128the number of times a quarter would be drawn if Venessa draws a coin 256 times = (29/128) * 256= 29 *2= 58 option B is the right answer

It takes 27N of work to push a crate up a ramp to a dock. The ramp is 3 meters long. How much force is necessary?
PLEASE HELP

Answers

Answer:

Solution:

Given,

Work = 27 N

Displacement = 3 m

According to question,

Force = ?

As we know,

Work = Force × Displacement

or, 27 = Force × 3

or, Force = 27/3

i.e, Force = 9 N

Find the sum of the first 150 positive even integers.

Answers

Answer:

22650

Step-by-step explanation:

Round to the nearest ten 3465 695

Answers

Answer:

Step-by-step explanation:

bec its on the left ......

Use the fact that f(x)=sqrt x is increasing on its domain to solve the inequality: sqrt (3x+1) > sqrt (x-5)

Answers

Since √(3x+1) and √(x-5) is always positive, you can square out both sides.

[tex] \sqrt{3x + 1} > \sqrt{x - 5} \\ {( \sqrt{3x + 1}) }^{2} > {( \sqrt{x - 5} )}^{2} \\ 3x + 1 > x - 5 \\ 2x > - 6 \\ x > - 3[/tex]

Since substituting x = -2, -1 , ... , 4 into √(3x+1) and √(x-5) will result into complex solutions,

Therefore,

[tex]x > 4[/tex]

Answer:

-3<x≤5

Step-by-step explanation:

√(3x+1)>√(x-5)

Square each one of the square roots. Then create 3 different inequality expressions and solve them/

1. 3x+1>x-5= x>-3

2. 3x+1≥0= x≥-1/3

3. x-5≥0= x≥5

From here I'm going to take the values that cover the most of the area in this expression which should be -3<x≤5.

The low temperature was 35°F. This was 13°F lower than the dayt high temperature. Write an equation to determine whether the high temperature was 48°F or 42°F.

Answers

Answer:

48°F

Step-by-step explanation:

Low temperature = 35° F

35 = x - 13

35 + 13 = x

48°F = x

Cassandra is inscribing a square in the circle shown below, but is having difficulty remembering the process.
Which of the following summaries describes the basic process for inscribing a square in the above circle?
A.
Create the perpendicular bisector of AB. Then use the points of intersection of the perpendicular bisector with the circle, along with points B and C, to draw the square.
B.
Create the perpendicular bisector of BC. Then use the points of intersection of the perpendicular bisector with the circle, along with points B and C, to draw the square.
C.
Set the compass width to the length of BC, place the point of the compass on the circle, and draw an arc. Place the compass on the intersection of the arc and the circle and repeat the process until the circle is intersected by four arcs. Connect the intersection points to form the square.
D.
Set the compass width to the length of AB, place the point of the compass on the circle, and draw an arc. Place the compass on the intersection of the arc and the circle and repeat the process until the circle is intersected by four arcs. Connect the intersection points to form the square.

Answers

Answer:

B. Create the perpendicular bisector of BC. Then use the points of intersection of the perpendicular bisector with the circle, along with points B and C, to draw the square.

Step-by-step explanation:

Pls help me as fast as possible and pls only right answers

Answers

The expressions are algebraic expressions that uses a, t, w, b, n and x as its variables

How to express them as verbal expressions?

To do this we make use of the following terms

Difference represents subtractionSum represents additionProduct represents multiplicationQuotient represents division

Using the above highlights, we have the verbal expressions to be:

The square of a number, n is 36The sum of a number, n and 10 is 37Twice a number nThe quotient of 18 and 6The square of a number, n The sum of a number, n and 12The difference between a number, b and 7The difference between 13 and 8The difference between 13 and a number, nThe sum of a number, t and 10 is 24The sum of 12 and 8Eight times a number nThe fifth power of a number, w is 7Twice a number nThe difference between a number, n and 6 is 37The difference between 24 and 16The difference between a number, x and 6 is 14The difference between a number, n and 3 is 9The cube of a number, x is 9Half a number n4 exponent a is 9The ninth power of a number, n is 48

Read more about algebraic expressions at:

https://brainly.com/question/723406

Please answer!!!!! What is the probability that the dart will NOT land in the shades region?

Answers

Use circumference formula = pi*r^2

Total area = 6^2pi= 36pi = 113.04
Unshaded area = 4^2pi - 2^2pi = 16pi - 4pi= 50.24- 12.56 = 37.68
Shaded area = 113.04-37.68= 75.36

37.68/113.04= 0.333 ~~ 33%

The diameter of a circle is 13 meters. Complete the description for how you would find the circumference.

Answers

Answer:

Step-by-step explanation:Formula

The circumference of a circle is given by C = pi * d

Givens

pi = 3.14

13 is the diameter.

Solution

C = 3.14 * 13

Answer: C = 40.82

Answer for the blanks.

pid

Sarah is demonstraing the idea that polynomials are closed under addition. Her work and explanation are shown.
Select an equation and phrases to complete the statement.
Part A:
Add 30° +63 7 to
Equation A 223 - (2x)2 + 42-1
Equation B (2x)? +4. 4. - 9
Equation C (-8x)2 – (3x)3 +7
Part B:
This is closed because
of the sum are
and the sum is a polynomial.

Answers

John wick had 30 apples and hit 15

a)find the value of angle x
b) work out the value of angle y

Answers

The value of X is 69 while value of y is also 69

Help help math math math

Answers

Answer:

i think this is right i hope it helped :)

Step-by-step explanation:

5m - 8 = 2m + 1

5m + 2m - 8 = 1

7m - 8 = 1

7m = 7

m = 1

Answer:

m = 3

Step-by-step explanation:

5m - 8 = 2m + 1

5m - 2m = 1 + 8 { like terms }

3m = 9 { crossing over }

m = 3

Henry stores the arrowheads he has found in a box the shape of a rectangular prism. The box is 14 inches long, 12 inches wide, and 2 inches high. He plans to paint the exterior of the box. How many square inches does he have to paint?

Pls help it would be very helpful

Answers

Answer:

272 square inches

Step-by-step explanation:

Find the surface area

Surface area =

12 * 2 + 12 * 2, (front & back sides)

14 * 2 + 14 * 2, (right & left sides)

12 * 14, (bottom)

24 + 24 + 28 + 28 + 168

48 + 56 + 168

= 272

Solve for x. Round to the nearest tenth, if necessary.
U
67
T
x
142°
y

Answers

Answer:

74.4 units

Step-by-step explanation:

Angle T = 48 degrees

now use law of sines

67/sin42 = x/sin48

sin48 * 67/sin 42 = 74.4

An above-ground garden is in the shape of a rectangular prism measuring 6 feet by 13 feet by 4 feet. The soil costs $1.70 per cubic foot. How much will it cost to fill the above -ground garden fully?

Answers

The cost of filling the rectangular prism with sand is $530.4

Volume of Prism

Given Data

Length of prism = 6 feetWidth = 13 feetHeight = 4 feetCost per cubic foot = $1.70

Volume of Prism = Length*Width*Height

Volume = 6*13*4

Volume = 312 cubic feet

If 1 cubic feet cost $1.70

312 cubic feet will cost x

x = 1.70*312

x = $530.4

Learn more about volume of prism here:

https://brainly.com/question/24284033

The times taken to assemble a clock at a factory are approximately normally distributed with a given mean Mu = 3 hr and standard deviation Sigma = 0.5 hr. What percentage of the times are between 2 hr and 4 hr?
34%
47.5%
68%
95%

Answers

Answer:

It's D) 95%

Step-by-step explanation:

It's the correct answer

The percentage of the times are between 2 hours and 4 hours is 45.5%.

What is standard deviation?

Standard deviation is the positive square root of the variance. Standard deviation is one of the basic methods of statistical analysis. Standard deviation is commonly abbreviated as SD and denoted by 'σ’ and it tells about the value that how much it has deviated from the mean value.

Given that, μ=3 hour, σ=0.5 and x1=2 hours and x2=4 hours.

We know that, Z=(x-μ)/σ

Here, Z1=(2-3)/0.5

Z1=-2 = -0.2275

Z2=(4-3)/0.5

Z2=2 = 0.2275

= 0.2275-(-0.2275)

= 0.2275+0.2275

= 0.455

= 45.5%

Therefore, the percentage of the times are between 2 hours and 4 hours is 45.5%.

Learn more about the standard deviation visit:

brainly.com/question/13905583.

#SPJ7

solve this sum in B,O,D,M,A,S formula.

1. 21 -12 ÷ 4 -3 ×(-7)
2. 30 -{8÷(2×3-4)

explain with using formula

Answers

Answer:

2. 26

Step-by-step explanation:

start with the brackets with 2×3-4 get the answer as 2 then divide 8 by the answer then subtract the answer you've got from 30

What is the slope of
the line?

Answers

Slope = y/x

There’s a point at (2,5). X =2 and y= 5

So 5/2 = 2.5

I have 10 books, 3 of which are good. If I randomly select a book at random, what's the probability that it is not good?

Answers

answer:

the probability of selecting a book that is not good would be:
7/10

Find the value of x.

Answers

Answer:

x=60º

Step-by-step explanation:

Answer: x=60º

180º-60º=120º

2x=120º

divide by 2 on both sides

x=60º

Help will give thanks to the first to answer

Answers

Answer: 16

Step-by-step explanation: substitute 5 for y. 5 squared is 5 times 5 which is 25 and 3 times 5 is fifteen. 25 minus 15 is 10 plus 6 is 16. :)

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Write an equation to find the value of x and solve it. Round your answer to the nearest tenth if necessary. x = Write your equation and explain how you came up with your equation and how you solved it. What concepts apply to this problem? How do you know your answer is correct?

Answers

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Write an equation to find the value of x and solve it. Round your answer to the nearest tenth if necessary.

x =

Write your equation and explain how you came up with your equation and how you solved it. What concepts apply to this problem? How do you know your answer is correct?