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IrinaVladis [17]
3 years ago
14

My brain hurts trying to solve this. Im pretty sure x = 42 but im not sure about the equation.

Mathematics
2 answers:
SVEN [57.7K]3 years ago
6 0
<h2>Answer:</h2><h2>x+12 = 30</h2><h2>x = 18 students</h2><h2>Step-by-step explanation:</h2>

mart [117]3 years ago
6 0

Answer:

<em>x + 12 = 30 \\ x = 30 - 12 \\  \timex \\ x = 18</em>

<em>1</em><em>8</em><em> </em><em>students</em><em> </em><em />

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Step-by-step explanation:

A) Popular novels from the past often ask provocative questions that are important to consider today.

In this speech, President Reagan uses the ending of a popular novel of the '60s to help pose his question about whether history still has a place for America, her people and her ideals. He takes provocative questions written in an old novel and uses them to show important subjects that need to be addressed today.

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In his speech Reagan states that many Americans have lost their faith in their country and no longer believe that it is a place for dreams and greatness. This people say that Americans must "cut our expectations, conserve and withdraw"

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1)<br> Is 4,560 divisible by 2, 3, 5 or 10? Explain your rea<br> easoning,
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Question

Is 4,560 divisible by 2, 3, 5 or 10?

Answer:

The Correct Answer Is 5

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You may also be interested to know that 4.560 divided by 5 is 912.

note that the last digits of any number must end with 0 or 5 to be divisible by 5

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The functions f and g are differentiable for all real numbers x. The table below gives values for the functions and their first
sertanlavr [38]

Answer:

13/9

y =-22x+32

Step-by-step explanation:

Given that the functions f and g are differentiable for all real numbers x. The table below gives values for the functions and their first derivatives at selected values of x.

x f(x) f'(x) g(x) g'(x)

1 4 -3 5 2

2 -3 -1 4 6

3 π 8 -1 4

4 -5 unknown 0 3

a) h(x) = \frac{f(x)}{g(x)} \\h'(x) = \frac{g(x)f'(x)-f(x)g'(x)}{(g(x))^2}

(using quotient rule)

Substitute 1 for x

h'(1) = \frac{g(1)f'(1)-f(1)g'(1)}{(g(1))^2}\\=\frac{9-(-4)}{9} \\=\frac{13}{9}

b) r(x) = f(x) g(x)\\r'(x) = f(x) g'(x)+g(x)f'(x)

when x =2, r(x) = r(2) = f(2) g(2) = -12

point of contact is (2,-12)

Slope of tangent =r'(2) = f(2) g'(2)+g(2)f'(2)\\=-18+(-4) \\=-22

Using point slope form, tangent is

y+12 = -22(x-2)\\y = -22x +32

7 0
4 years ago
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