3 years ago

3. (03.01 MC)

Mathematics

1 answer:

garri49 [273]3 years ago

5 0

24+21 is the answer

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If h(2)=7 and h'(2)=-2,find d/dx [(h(x))/(x)] <br> A. –11/4 B. 2 C. D. 8 E. 16

valentinak56 [21]

Answer:

A. $\frac{-11}{4}$

Remember that if f and g are functions with $g(x)\neq 0$ then, $\frac{d}{dx}\frac{f(x)}{g(x)}=\frac{f'(x)g(x)-g'(x)f(x)}{g(x)^2}$ .

Then,

$\frac{d}{dx}\frac{h(x)}{x}=\frac{h'(x)x-h(x)}{x^2}$

Evaluating in x=2,

$\frac{h'(2)*2-h(2)}{2^2}=\frac{-4-7}{4}=\frac{-11}{4}$

Then the answer is A.

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4 years ago

Simplify 6x- 8y -5x + 3y

Cerrena [4.2K]

Combine like terms for x-5y

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3 years ago

PLEASE HELP ME YOU GET IT RIGHT I WILL MARK BRAINLIST but if its wrong... i report you

mamaluj [8]

I’m pretty sure it’s 60 but I’m not 100% sure so I’m sorry if it’s wrong

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3 years ago

Variables give three possible values for n

Leto [7]

9=1,3,9

3=1,3

the GCF is 3 because the three and one are the only common factors between 3 and 9

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3 years ago

two numbers have these properties, both numbers are greater than 8. Their highest common factor is 8. their lowest common muliti

mafiozo [28]

Answer:

16 and 40

Step-by-step explanation:

Hello,

We need to find the factors of 80

1, 2, 4, 5, 8, 10, 16, 20, 40 and 80.

Which can be 2, 2, 2, 2, and 5 (these numbers would go into all the factor completely without any reminder.)

This leaves us with two numbers 2 and 5

If the highest common factor (H.C.F) of both numbers is 8

And the lowest common multiple (L.C.M) = 80

Multiply the numbers by the highest common factor (H.C.F)

2 × 8 = 16

5 × 8 = 40

The numbers are 16 and 40

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3 years ago