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wlad13 [49]
3 years ago
8

-5x-10=10 Would the answer be 4,0 or -4

Mathematics
2 answers:
klemol [59]3 years ago
8 0
The answer would be -4 because you are dividing by -5
kifflom [539]3 years ago
3 0
The Answer Is 0
(comment for Explaination)
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Question 4<br> If2x - 3= 25, then2x =<br> ?
podryga [215]

Answer:

14

Step-by-step explanation:

2x - 3= 25

2x=25+3

2x=28

x=28/2

x=14

8 0
3 years ago
Here are two shapes with the same area. Work out the perimiter of the rectangle.
Lilit [14]
So, we know the perimeter is 24 cm. and the top part is the left part, (x) + 2, but remember, we need to have it be a number that, multiplied by 2, is 24. So, using this formula, the length, (top / bottom) is 7, and x = 5. Because 5 + 5 = 10, and when length is +2, it adds up to 14. 10 + 14 = 24. So, length is 7, width, (left, right) is 5.
3 0
3 years ago
A round wading pool has a diameter of 115cm deep. A hose is filling the pool at a rate of 34000cm^3, cubed per minute. How long
inn [45]

Answer:

It will take 6.118 minutes to fill up the pool to a depth of 20 cm

Step-by-step explanation:

The first step is to calculate the volume of the wading pool.

we will assume it is a cylinder, hence the volume will be = \pi r^{2}h

<em>Where r= radius of the pool = 115/2 = 57.5cm</em>

<em>h = depth of the pool =20 cm</em>

The volume of the pool will be \pi \times57.5^{2} \times 20 =2.08 \times 10^{5} cm ^{3}

We are filling a pool of 208,000cm ^{3} at the rate of 34000cm^3, cubed per minute.

To get the time it will take to fill up the pool, we will have to divide as follows:

208,000cm ^{3} / 34000cm^3 =6.118 minutes

Therefore it will take 6.118 minutes to fill up the pool to a depth of 20 cm

4 0
3 years ago
How do i find the area of a semicircle
Alex17521 [72]
Find the area of the circle using A=pi * r^2 and then divide that answer by 2 and that will get you the area of the semicircle.
3 0
3 years ago
Read 2 more answers
Jill earned 40$ from a carpool plus 9$ per hour (h) babysitting this week. turn into an Expression
nadya68 [22]

Answer:

9h + 40

Step-by-step explanation:

You use 9h, because you don't know how many hours Jill worked, she already had 40$ so 40 is the constant.

7 0
3 years ago
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