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3 years ago

Which is equivalent to 8 × 4? 8 × (4 + 4) 4 × (8 + 8) 9 × 3 4 × 8

Mathematics

2 answers:

kozerog [31]3 years ago

6 0

4 x 8!!!!!!!!!!!!!!!!!!!!!!!!!!!

ryzh [129]3 years ago

5 0

Answer is 4x8, even though the equation is backwards when it’s multiplication you will get the same solution

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Evaluate the function for x = –4c if c = –2.

irga5000 [103]

x = –4c
if c = -2 then x = -4(-2) = 8

I believed you had a typo, function should be f(x) = -3x^2 - 4x
so
f(x) = -3x^2 - 4x
f(x) = -3(8^2) - 4(8)
f(x) = -3(64) - 32
f(x) = -192 - 32
f(x) = -224

answer

C.
–224

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4 years ago

What is 5/4 as a decimal

Crank

5/4 as a decimal is 1.25 Hope this helped! :)

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4 years ago

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IceJOKER [234]

Answer:

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3 years ago

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AnnZ [28]

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3 0

3 years ago

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The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 0 and x = 3. (10 points) G

navik [9.2K]

f(x)=2x+1

We have to integrate the expression in order to find average rate of change.

$\boxed{\sf {\displaystyle{\int}}x^ndx=\dfrac{x^{n+1}}{n+1}}$

Now

$\\ \sf\longmapsto {\displaystyle{\int}^3_0}f(x)dx$

$\\ \sf\longmapsto {\displaystyle{\int}^3_0}(2x+1)dx$

$\\ \sf\longmapsto \left[\dfrac{2x^2}{2}+x\right]^3_0$

$\\ \sf\longmapsto [x^2+x]^3_0$

$\\ \sf\longmapsto 3^2+3-(0^2+0)$

$\\ \sf\longmapsto 9+3$

$\\ \sf\longmapsto 12$

3 0

3 years ago