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tatyana61 [14]
3 years ago
13

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:
 
((x + 1) (x + 4)) / (x-4)
3 0
3 years ago
What is the answer to this​
Alborosie
The answer to the question is b

$9 each hour she works + 7.50 fee
$7.50+$9h= $34.50
7 0
3 years ago
Gordon was thinking of a number. Gordon doubles it and gets an answer of 90.8. What was the original number?
zalisa [80]

Answer:

45.4

Step-by-step explanation:

Nx2=90.8

Divide both sides by 2

N=45.4

8 0
3 years ago
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