3 years ago

ASAP FOR BRAINLIST FIRST TO ANSWER

Mathematics

1 answer:

Galina-37 [17]3 years ago

3 0

Answer:

The Answer us 65 but why don't you get some answer choices little buddy

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You use 4 boxes of rice to serve 13 people. If you want to serve 39 people, what should you do.

Andrej [43]

Answer:

Step-by-step explanation:

39/13=3

3 times 4 = 12

5 0

3 years ago

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What is the rate of change for the linear function f(x)=-2x-5 over any interval?

julia-pushkina [17]

To solve this problem you must apply the proccedure shown below:

1. By definition, the rate of change of a linear function is the slope of the line and it is constant. Based on this, you must find the slope of the given function.

2. You have the equation of the line has the following form:

$y=mx+b$

Where $m$ is the slope and $b$ is the y-intercept.

3. Then, you have that the slope of the function $f(x)=-2x-5$ is:

$m=-2$

Therefore, the answer is: $-2$

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3 years ago

Let f(x) = 4x + 3 and g(x) = x - 2, find:<br> b) g(f(-6))

Andrej [43]

Step-by-step explanation:

g(f(-6)) = g( 4(-6)+3) =g(-21) = -21-2 =-23

7 0

3 years ago

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Tell whether the given value is a solution of the inequality.<br> 15n > -3; n = -2

Vanyuwa [196]

Answer: no

Step-by-step explanation:

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3 years ago

Verify sin^4x − sin^2x = cos^4x − cos^2x is an identity

Inga [223]

Answer:

<h2>It's an identity</h2>

Step-by-step explanation:

$\sin^4x-\sin^2x=\cos^4x-\cos^2x\\\\L_s=\sin^4x-\sin^2x=\sin^2x(\sin^2x-1)=\sin^2x(-\cos^2x)=-\sin^2x\cos^2x\\\\R_s=\cos^4x-\cos^2x=\cos^2x(\cos^2x-1)=\cos^2x(-\sin^2x)=-\sin^2x\cos^2x\\\\L_s=R_s\qquad\bold{CORRECT}$

$\text{Used:}\\\\\sin^2x+\cos^2x=1\Rightarrow\left\{\begin{array}{ccc}\cos^2x=1-\sin^2x\\\sin^2x=1-\cos^2x\end{array}\right\Rightarrow\left\{\begin{array}{ccc}-\cos^2x=\sin^2x-1\\-\sin^2x=\cos^2x-1\end{array}\right$

4 0

3 years ago

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