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Troyanec [42]
3 years ago
9

-2.5(2s -5) -3(4.5s) Find the sum or difference

Mathematics
2 answers:
PtichkaEL [24]3 years ago
5 0
-2.5(2s-5)=-5s+12.5
-3(4.5s)=-13.5s
-5s-13.5s=-18.5s

Answer: -18.5s+12.5
Burka [1]3 years ago
4 0
Remember PEMDAS paretics exponent dived + than sutract
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A pile of 15 boxes is 3 metres high. What is the depth of each box?
schepotkina [342]

Answer:

15 boxes=3m=300cm

1 box=300cm÷15

=20cm

5 0
3 years ago
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What is 30% of 70. show your work<br>​
mamaluj [8]

Answer: 21

Step-by-step explanation:

we have two simple equations:

1) 70=100%

2) x=30%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

70/x=100%/30%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 30% of 70

70/x=100/30

(70/x)*x=(100/30)*x - we multiply both sides of the equation by

70=3.33333333333*x - we divide both sides of the equation by (3.33333333333) to get x

70/3.33333333333=x

The fore, the answer is 21

8 0
4 years ago
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Pls This The Last One I Need Help On
daser333 [38]

Answer:

From 4-5 the shape is rotated 180 degrees.

Step-by-step explanation:

If you are standing up and you jump to face the other way your turning 180 degrees. If you turn to your side that would be 90 degrees and for a full turn 360 degrees.

Hope this helps, please leave any questions or concerns in the comments. Thanks

3 0
3 years ago
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Find any 3 (x,y) pairs that are solutions for the equation 2x-5y=10 . Show your work
Alla [95]

Answer:

(0,-2), (5,0) and (10,2).

Step-by-step explanation:

Given equation is 2x-5y=10.

Now we need to find 3 pairs of solutions in (x,y) form for the given equation.

As 2x-5y=10 is a linear equation so we are free to pick any number for x like x=0, 5, 10

Plug x=0 into 2x-5y=10, we get:

2(0)-5y=10

0-5y=10

-5y=10

y=\frac{10}{-5}

y=-2

Hence first solution is (0,-2)

We can repeat same process with x=5 and 10 to get the other solutions.

Hence final answer is (0,-2), (5,0) and (10,2).

5 0
4 years ago
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Kelly, Matt, and Bo are sharing 2 pizzas equally. How much pizza does each person get?
kvasek [131]

Answer:

Hi! The answer is 1.5

Step-by-step explanation:

Kelly + Matt + Bo = 3

3, People / 2, Pizzas

3/2 = 1.5

1.5, Pizzas

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☁Brainliest is greatly appreciated!☁

<em>Hope this helps!!</em>

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3 years ago
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