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3 years ago

Simplify the following expression.

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

Hey there!☺

$Answer:\boxed{\text{A. }24x+11}$

$Explanation:$

$8-4(x-7x)+3$

In our first step, we will simplify:

$8+24x+3$

Now combine like terms:

$(24x)+(8+3)\\24x+11$

A. 24x+11 is your answer.

Hope this helps!☺

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It takes William 45 minutes to weed the garden. It takes his younger sister May 75 minutes to do the same job. If they work toge

marshall27 [118]

Answer:

B. 28 minutes

Step-by-step explanation:

According to the given statement,

William weeds the whole garden in 45 minutes, then in one minute he will weed 1/45 of the garden

and

similarly, 1/75 of the garden in one minute.

When they both will work together, they will weed (1/45+1/75) of the garden in one minute

Solving the equation:

= $\frac{1}{45}+ \frac{1}{75}\\= \frac{75+45}{3375}\\ =\frac{120}{3375}\\ = 0.036$

Garden weeded in one minute by both = 0.036

So, number of minutes to weed whole garden = 1/0.036

= 27.77 minutes

Rounding off will give us: 28 minutes

So,

Option B is the correct answer ..

4 0

3 years ago

Select all the equations where b= 11 is a solution.<br> Choose 2 answers:

Allushta [10]

Answer:

what do you mean there is no pictures

5 0

3 years ago

12.Divide. (x^2+2x+1/x^2-8x+16)/(x+1/x^2-16

lina2011 [118]

For this case we have the following expression:
(x ^ 2 + 2x + 1 / x ^ 2-8x + 16) / (x + 1 / x ^ 2-16)
Rewriting we have:
(((x + 1) (x + 1)) / ((x-4) (x-4))) / (x + 1 / ((x + 4) (x-4)))
Then, we cancel similar terms:
((x + 1) / (x-4)) / (1 / (x + 4))
Rewriting:
((x + 1) (x + 4)) / (x-4)
Answer:
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3 years ago

What is the answer to this

Alborosie

The answer to the question is b

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3 years ago

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zalisa [80]

Answer:

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Step-by-step explanation:

Nx2=90.8

Divide both sides by 2

N=45.4

8 0

3 years ago