3 years ago

Select all the correct answers.

Mathematics

1 answer:

wel3 years ago

5 0

Eight of them wrong in just guessing so it’s probably wrong

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Andre earns $12 per hour tutoring students after school. If Andre tutored for 24 hours this month, how much money did he earn th

Sophie [7]

Answer:

$288 dollars

Step-by-step explanation:

12 x 24 = 288

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3 years ago

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If the complement of an angle is 40 less than its supplement, find the angle.

zhuklara [117]

The 2 angles in a complement would be (in degrees) 65 and 25

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2 years ago

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Which equation describes how the parent function y=x^3, is vertically streched by a factor of 4

Murljashka [212]

Answer:

$y=4x^{3}$

Step-by-step explanation:

It is known that,

<em>'Vertical stretch, stretches the function up and down towards the y-axis'.</em>

The general form of vertical stretch is given by 'kf(x)', where k>1 is the factor by which function is stretched.

As, we have the function $y=x^{3}$ which is stretched by a factor of 4.

Thus, the new function will be $y=4x^{3}$ .

Hence, the equation for the vertical stretch is $y=4x^{3}$ .

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3 years ago

Which is not a correct way to rewrite this expression using the distributive

Effectus [21]

Given:

The expression is

$(2x^2+4x-7)(x-2)$

To find:

The expression which is not a correct way to rewrite the given expression.

Solution:

We have,

$(2x^2+4x-7)(x-2)$

Using distributive property, we get

$=(2x^2)(x-2)+(4x)(x-2)+(-7)(x-2)$

$=(2x^2)(x)+(2x^2)(-2)+(4x)(x)+(4x)(-2)+(-7)(x)+(-7)(-2)$

Using distributive property the given expression can rewritten as:

$=(2x^2+4x-7)(x)+(2x^2+4x-7)(-2)$

Only the expression in option A is not a correct way to rewrite the given expression because $(2x^2+4x-7)$ is not distributed to $(x-2)$ properly.

Therefore, the correct option is A.

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2 years ago

What is -3(x-8)+7x=12

algol13

Answer:

18/5

Step-by-step explanation:

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3 years ago

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