18 9/10 + 8 3/10 ?????.....

Answers

Answer 1

27 2/10

   or

27 1/5

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Related Questions

How do you know if a graph is wider or narrower than the parent function?

Answers

The parabola narrows as the quadratic coefficient increases. The parabola's width increases as the quadratic coefficient decreases.

Define the condition for wider graph of the parent function?

The graphs' width and whether or not they slant upward or downward depend on the quadratic term's coefficient, a for the parent function.

The parabola ends point up when the quadratic coefficient is positive.The parabola's ends point down when the quadratic coefficient is negative.The parabola narrows as the quadratic coefficient increases.The parabola's width increases as the quadratic coefficient decreases.The axis of symmetry is moved away from the y-axis by the linear-term coefficient b. The quadratic coefficient's sign and the linear coefficient's sign both affect the shift's direction.The y-intercept is impacted by the constant term c. The intercept point just on y-axis increases higher the higher the number is.

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Uppose you have a bag of marbles and of the marbles are . If you choose one without​ looking, the probability you choose marble is
. How can you write this probability as a​ decimal? Write this probability as a decimal. Use a word or phrase to describe this probability.

How do you change the fraction to a​ decimal?
A. Multiply the numerator and denominator by .
B. Divide the denominator by the numerator.
C Divide the numerator by the denominator..
D. Multiply the numerator by the denominator.

Answers

C. Divide the numerator by the denominator.

In the interval 0° < x < 360°, find the values of x for which tan x = -0.8645

Answers

Answer:

Step-by-step explanation:

x=tan^{-1}(-0.8645) \approx -40.84°,-40.84+180,-40.84+360

x=139.16°,319.16°

The values of x in the interval 0° < x < 360° for which tan(x) = -0.8645 are approximately 139.18° and 299.18°.

To find the values of x in the interval 0° < x < 360° for which tan(x) = -0.8645, you can use the inverse tangent function (also known as arctan or atan). The inverse tangent function will give you the angle whose tangent is equal to the given value.

Using a calculator or a math software that supports trigonometric functions, you can take the inverse tangent (arctan) of -0.8645 to find the angle:

arctan(-0.8645) ≈ -40.82°

Since tangent is a periodic function with a period of 180°, you can find other angles that satisfy the equation by adding or subtracting multiples of 180°:

-40.82° + 180° ≈ 139.18°

-40.82° + 2 * 180° ≈ 299.18°

So, the values of x in the interval 0° < x < 360° for which tan(x) = -0.8645 are approximately 139.18° and 299.18°.

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Simplifying algebraic expressions

Answers

Answer:

Step-by-step explanation:

Plug in 5 for h

6(5)+7(5)

30+35=65

65

Answer:

[tex] \sf \: 6h + 7h = 65[/tex]

Step-by-step explanation:

Given information,

→ 6h + 7h

→ h = 5

Now the final value will be,

→ 6h + 7h

→ 6(5) + 7(5)

→ 30 + 35

→ 65 => final value

Hence, the answer is 65.

1. Rewrite the equation 5(x – 3) = x + 13 with 6 substituted for x. Write a question mark over the equal sign to show that you're testing to see if the equation is true. (2 points)

Answers

x = 6 does not satisfy the given equation.

What is an equation?

An equation is a mathematical statement that shows that two mathematical expressions are equal.

Given that an equation, 5(x – 3) = x + 13

Checking if x = 6 satisfy the equation or not,

5(x – 3) ? x + 13

5(6-3) ? 6+13

5×3 ? 19

15 ≠ 19

Hence, x = 6 does not satisfy the equation.

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How many 1/3 ounce cups can be taken

Answers

Answer:

90

Step-by-step explanation:

If we know that for every cup, we can take 3 of 1/3-ounce cups, we can use an equation that looks like this:

number of cups × 3 = total 1/3-ounce cups

If there are 30 cups, then we can simply insert 30 into the equation.

30 × 3 = 90

Therefore, you can make 90 1/3-ounce cups from the cereal box.

will GIVE BRAINLIEST!

Answers

Answer:

22 ft

Step-by-step explanation:

The circumference of a circle with given diameter d is C = (3.14)d.

Here, C = (3.14)(7 ft) = 21.98 ft, or approximately 22 ft

Answer:

22ft

Step-by-step explanation:

Here,

It gives the diameter of a [tex]\huge{\bigcirc}[/tex]d=7feet,

Here,

[tex]\pi = 3.14[/tex]

Then the circumference of that circle is

[tex]\bold{ \pi×d  }[/tex]  3.14×721.98ft[tex]\bold{\approx{22}  }[/tex]ft

Hence

The circumference of that circle is 23ft 

Find the largest prime number that divides the quantity 0! + (1!) x 1 + (2!) x 2 + (3!) x 3 + ... + (50!) x 50

Answers

The largest prime number that divides the quantity is the largest prime number less than 5.5e+22.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. A prime number that divides a quantity is a prime number that is a factor of that quantity.

We can start by computing the values of the factorials, and then use the property of modular arithmetic to find the prime divisors of the quantity.

0! = 1

1! = 1

2! = 2

3! = 6

...

50! = 30414093201713378043612608166064768844377641568960512000000000000

Now we can write the expression as

(0! + 1x1!) + (2x2!) + (3x3!) + ... + (50x50!)

We can notice that the number is very large, and it's impractical to factorize it using traditional methods.

We can use the property that if n is not divisible by a prime number p, then n! is not divisible by p^2. So we can eliminate all the powers of 2 and 5 from the expression, since 2 and 5 are the only prime factors of the factorials.

The next step would be to check if the remaining number is divisible by any prime numbers.

Since it's impractical to check for all the prime numbers, we can use the fact that the largest prime number is less than the square root of the number in question. Therefore, we can check for all primes less than √(50!) = √(30414093201713378043612608166064768844377641568960512000000000000)

Which is approximately 5.5e+22.

Therefore, the largest prime number that divides the quantity is the largest prime number less than 5.5e+22.

It's important to note that this is a very large number and checking for all prime numbers less than it would take a long time. And thus, answer cannot be given.

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3112 was rounded to the nearest one.
What is the lower bound?

Answers

Answer:

3111.5.

Step-by-step explanation:

3112 - 0.5 = 3111.5.

What is the quotient of the following rational expression?
(x ^ 3 + 3x ^ 2 - 4x + 5)/(x ^ 2 - 2)

Answers

An expression is defined as a set of numbers, variables, and mathematical operations. The quotient of the following rational expression is (x+3), while the remainder is (-2x+11)/(x²-2).

What is an Expression?

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The given expression can be solved as,

[tex]\dfrac{x^3+3x^2-4x+5}{x^2-2}\\\\\\= x + \dfrac{3x^2-2x+5}{x^2-2}\\\\\\= x + 3+\dfrac{-2x+11}{x^2-2}[/tex]

Hence, the quotient of the following rational expression is (x+3), while the remainder is (-2x+11)/(x²-2).

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which answer is this
A.43
B.38
C.61
D.81

Answers

Answer:

81

Step-by-step explanation:

by corresponding angles from angle ABC

Please help me !!

this the last question !!

Answers

Answer:

2 ≥ p

Step-by-step explanation:

-14 ≤ -7p

Divided both sides by -7. Because divided by a negative number, the < will turn to >

So, the equation is

2 ≥ p

Because there is an equal, the circle will be close and to the left of 2.

Answer:

2 ≥ p

Step-by-step explanation:

Have a great day :) <3

Nora needs at least $115 for a new cell phone. She has already saved $45. She earns $7 an hour at her job. Write and solve an inequality to find how many hours she will need to work to buy the phone.

Answers

Answer:

Nora needs to work 10 hours to get 70 dollars to be able to have 115 to buy the new phone.

Step-by-step explanation:

45+7x = 115

45+7(10)

45+70

115

(Hope this helped! If you have any questions about this please comment) :D

What are the coordinates of point (x,y) when it is reflected across the line y=−x?

Answers

The coordinate of the reflection is (-y, -x)

How to determine the coordinate of the reflection

From the question, we have the following parameters that can be used in our computation:

Point = (x, y)

Reflection:  Across the line y=−x

Using the above as a guide, we have the following:

The reflection of a point over the line y = -x implies that, the x-coordinate and y-coordinate change places Then they are negated (the signs are changed)

So, we have

Image = (-y, -x)

Hence, the image is (-y, -x)

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PLEASE HELP ITS ATEST I BEG U. NEED HELP

Answers

Answer:

36 degrees

Step-by-step explanation:

angle 1 and 2 are the same

good luck!

Complementary angles are of 90°.

So, angle 1 + angle 2 = 90°

=> 36° + angle 2 = 90°

=> angle 2 = 90° - 36°

=> angle 2 = 54°

n% of 400 = 150


please HELLPPP​

Answers

Answer:

150 of 400 can be written as:

150400To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100

150400 × 100100= (150 × 100400) × 1100 = 37.5100Therefore, the answer is 37.5%

If you are using a calculator, simply enter 150÷400×100 which will give you 37.5 as the answer.

Help me please, worth 20 points

Answers

Answer:

It's actually worth 10 points

20 workers can paint a building in 21 days. If work has to be finished in 15 days, find the number of extra workers required.

Answers

Step-by-step explanation:

20 workers finish work in 21 days.

the necessary work effort is 20×21 = 420 workdays.

the same effort is needed even if the overall time is shorter.

x workers in 15 days.

x × 15 = 420

x = 420/15 = 28 workers.

so, 28-20 = 8 additional workers are needed to finish the work in 15 days.

Please please help me no links

Answers

pretty sure it’s 108 because each angle of a pentagon is 108

Please help with this question!

Answers

Answer:

3. 17.2°

Step-by-step explanation:

The angles for the right triangle are 90°, 72.8°, and 17.2°.

How do you tell if a set of ordered pairs satisfies an exponential function?

Answers

The following presumption has to be verified in order to establish whether the collection of ordered pairs fulfills an exponential function: The x-coordinates must have the same increment or a consistent difference.

What is an exponential function?

A mathematical function of form f (x) = aˣ is an exponential function. "x" is a variable, while "a" is a constant that serves as the function's basis and must be bigger than 0. The transcendental number e, or roughly 2.71828, is the foundation for exponential functions that are most frequently utilized.

Characteristics are:

The fact that a⁰ = 1 causes them all to include the point (0, 1). Always an asymptote, the x-axis. If (0 < a < 1) or (1 < a), they are decreasing and growing, respectively.

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a mother is twice as old as her daughter 5 years from now she will be thrice as old as her daughter how old is the mother five years from now

Representation:
equation:

solution:

answer:​

Answers

Answer:

Let's define the variables:

M = mother's age

D = daughter's age.

"a mother is twice as old as her daughter"

This can be written as:

M = 2*D

"5 years from now she will be thrice as old as her daughter"

(M + 5) = 3*D

We want to know how old is the mother five years from now.

First, our equations are:

M = 2*D

(M + 5) = 3*D

First, we need to isolate one of the variables in one of the equations, because for the solution we want the mother's age, we should isolate the daughter's age.

Let's isolate D in the first equation:

M/2 = D

Now we can replace this in the other equation:

Now we can replace this on the other equation:

(M + 5) = 3*(M/2)

M + 5 - (3/2)*M = 0

-(1/2)*M + 5 = 0

5 = (1/2)*M

2*5 = M = 10

So the mother is 10 years old (this hasn't a lot of sense, maybe there is a wrong number on the question)

and 5 years from now, the mother will be:

10 + 5 = 15 years old.

A voltage of 20 volts flow through a wire of 2.5ohm's resistance. Calculate the current​

Answers

Answer:

8 A

Step-by-step explanation:

V = 20 volts

R = 2.5 ohms

I=?

By Ohm's Law

[tex] \because \: I \: = \frac{V}{R} \\ \\ \therefore \: I= \frac{20}{2.5} = \frac{200}{25} = 8 \: Ampere[/tex]

(NEED HELP ASAP!!)

What are the coordinates of the focus of the parabola?


A: (8, 6)

B: (-8, 6)

C: (-8, 2)

D: (8, 2)

Answers

Answer:

C:  (-8, 2)

Step-by-step explanation:

Given parabola:

[tex]y=-\dfrac{1}{8}x^2-2x-4[/tex]

For the quadratic equation in the form y = ax² + bx + c, the x-value of the vertex is -b/2a.  

Therefore, the x-value of the vertex of the given parabola is:

[tex]\implies x=-\dfrac{b}{2a}=-\dfrac{-2}{2\left(-\frac{1}{8}\right)}=-8[/tex]

To find the y-value of the vertex, input x = -8 into the given equation:

[tex]\implies y=-\dfrac{1}{8}(-8)^2-2(-8)-4=4[/tex]

Therefore, the vertex (h, k) of the parabola is (-8, 4).

The focus of the parabola is (h, k+p) where:

(h, k) is the vertex[tex]p=\dfrac{1}{4a}[/tex]

Therefore:

[tex]\implies \textsf{Focus}=\left(-8,4+\dfrac{1}{4\left(-\frac{1}{8}\right)}\right)=\left(-8,2)[/tex]

Trapezoid MNPQ is similar to Trapezoid RSTU. What is the length of the "x" on the misside side NP ? Also, what is the length of "y" on the missing side TU?

Answers

Answer:

[tex]x = 15[/tex]

[tex]y = 25[/tex]

Step-by-step explanation:

Given

See attachment for MNPQ and RSTU

Required

Find x and y

To solve this question, we make use of equivalent ratios of corresponding side lengths.

The ratio of corresponding sides are:

[tex]MN : RS[/tex]

[tex]NP : ST[/tex]

[tex]PQ : TU[/tex]

[tex]MQ : RU[/tex]

From the attachment, we have:

[tex]MN : RS \to 18 : 30[/tex]

[tex]NP : ST \to x : 25[/tex]

[tex]PQ : TU \to 15 : y[/tex]

To solve for x, we equate [tex]MN : RS[/tex] and [tex]NP : ST[/tex]

[tex]18 : 30 = x : 25[/tex]

Express as fraction

[tex]\frac{18 }{ 30 }= \frac{x }{ 25}[/tex]

Make x the subject

[tex]x = 25 * \frac{18 }{ 30 }[/tex]

[tex]x = \frac{25 * 18 }{ 30 }[/tex]

[tex]x = \frac{450}{ 30 }[/tex]

[tex]x = 15[/tex]

To solve for y, we equate [tex]MN : RS[/tex] and [tex]PQ : TU[/tex]

[tex]18 : 30 = 15 : y[/tex]

Express as fraction

[tex]\frac{18 }{ 30 }= \frac{15 }{ y}[/tex]

Make y the subject

[tex]y = 15 * \frac{30 }{ 18 }[/tex]

[tex]y = \frac{15 *30}{ 18 }[/tex]

[tex]y = \frac{450}{ 18 }[/tex]

[tex]y = 25[/tex]

6. If sin θ = - 3/5and the terminal side of θ lies in quadrant III, find cosθ .

Answers

When sin θ = - 3/5 and the terminal side of θ lies in quadrant III, then cos θ is  -4/5

What is terminal side of an angel?

The terminal side of an angle refers to the line that intersects the initial line to make an angle

In the problem the terminal side is said to be in the third quadrant and the in the third quadrant sin θ = - 3/5

sin θ = opposite / hypotenuse

using Pythagoras the adjacent is 4, in third quadrant we have -4

cos θ = - adjacent / hypotenuse = -4/5.

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HELP ASAP


|x+12|, if x>-11

Answers

Answer:

it should be x+12

Step-by-step explanation:

if x is bigger than -11, then the answer will always be positive

We have given a function; [tex]|x+12|, if x > -11[/tex] if x is bigger than -11, then the answer will always be positive.

What is a function?

A function is defined as a relation between the set of inputs having exactly one output each.

We have given a function;

[tex]|x+12|, if x > -11[/tex]

The modulus of any number always gives the positive term.

if x is bigger than -11, then the answer will always be positive.

Let x = 2

then we get

[tex]|x+12| = |2+12| \\\\= 14[/tex]

So, we can see that the answer is positive.

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GUYS I NEED HELP WHAT IS (8x[1 +(20 - 6)]} divided by 1/2

Answers

Answer:

240x is=f simplfied.

Step-by-step explanation:

Does the table represent a linear or nonlinear function?

Answers

Answer:

Linear

Step-by-step explanation:

Linear means the graph is a straight line. If you plot the points, the line will be straight, therefore it is linear.

Which graph represents a relation that is NOT a function ​

Answers

Answer:

3) if you were to draw vertical lines through this graph you would have instances where an 'x' value would have more than one unique 'y' value

Step-by-step explanation:

functions must have one unique 'y' value for each 'x' value

The third graph represent a relation that is not a function

What is a function?

A relation is a function if it has only One y-value for each x-value.

The third one doesn't represent a function, because for some values of "x", you get two different values for "y" (which should not happen, if that were a function).

In order to see it better, you can trace a vertical line onto that graph.

If that line and the graph intersects in more than one point, then that graph doesn't represent a function.

In every function, you must have a single "y" value for each "x" in the domain.

Hence, the third graph represent a relation that is not a function

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