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3 years ago

Is 1/2 (8 - 4g) equivalent to 4 + 2g?

Mathematics

1 answer:

Crazy boy [7]3 years ago

7 0

Answer:

1/2 (8 - 4g) is 4 - 2g

4 - 2g doesn't equal 4 + 2g

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Help pls I will give brainliest! 2

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Answer:

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Step-by-step explanation:

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3 years ago

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The absolute value function, f(x) = |x + 2|, is shown.

Georgia [21]

ANSWER

all real numbers

EXPLANATION

The given absolute value function is

$f(x) = |x + 2|$

This function is obtained by shifting the graph of

$y = |x|$

to the left by 2 units.

Since the domain of the parent function is all real numbers, the domain of the transformed function is also all real numbers because the shifting the parent function horizontally or vertically does not affect the domain.

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3 years ago

What simple machine is this? i'll mark brainliest!

BartSMP [9]

A LEVER

Its a lever because both sides can be controlled by eachother :)

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3 years ago

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Least common denumertor of 11/3 9/10

Alisiya [41]

30 since that’s the lowest number both 3 and 10 can fit in

8 0

3 years ago

Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain tank i

jeka94

Let $a,b,c$ be the time it takes for pumps A, B, and C (respectively) to fill 1 tank. Then

$\begin{cases}\dfrac1a+\dfrac1b=\dfrac1{\frac65}=\dfrac56\\\\\dfrac1a+\dfrac1c=\dfrac1{\frac32}=\dfrac23\\\\\dfrac1b+\dfrac1c=\dfrac12\end{cases}$

Now,

$\left(\dfrac1a+\dfrac1b\right)-\left(\dfrac1a+\dfrac1c\right)=\dfrac56-\dfrac23\implies\dfrac1b-\dfrac1c=\dfrac16$

Then

$\left(\dfrac1b+\dfrac1c\right)+\left(\dfrac1b-\dfrac1c\right)=\dfrac12+\dfrac16\implies\dfrac2b=\dfrac23\implies b=3$

This means

$\dfrac1a+\dfrac13=\dfrac56\implies\dfrac1a=\dfrac12\implies a=2$

and

$\dfrac13+\dfrac1c=\dfrac12\implies\dfrac1c=\dfrac16\implies c=6$

Working together, all 3 pumps would operate at a rate of

$\dfrac1a+\dfrac1b+\dfrac1c=1$

or 1 tank in 1 hour, so the answer is D.

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3 years ago