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Serjik [45]
3 years ago
10

A + 5 = -5a + 5 what does x equal

Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0

Answer:

a = 0

Step-by-step explanation:

a + 5 = -5a + 5      subtract 5 from both sides

a + 5 - 5 = -5a + 5 - 5

a = -5a                add 5a to both sides

a + 5a = -5a + 5a

6a = 0                 divide both sides by 6

6a / 6  =  0 / 6

therefore,

a = 0

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ruth had a ribbon that was 9 yards long. she cut the ribbon into pieces that were 1/6 yard long. how many pieces of ribbon does
Ainat [17]

Answer:

54

Step-by-step explanation:

6            x       9         =         54

she can      there are

make 6       9 yards

ribbons

out of

a yard

4 0
3 years ago
Surface area of a sphere is 615.752 m2, what is the volume of the sphere?
const2013 [10]

B

the volume (V) of a sphere = \frac{4}{3} πr³

We require to know the radius r to calculate the volume

using surface area of a sphere = 4πr² = 615.752

divide both sides by 4π

r² = \frac{615.752}{12.56} = 49.0248...

take the square root of both sides

r = \sqrt{49.0248..} ≈ 7, hence

V= \frac{4}{3} × π × 7³ = 1436.76 m³ → B



8 0
3 years ago
(2x > 10) list some values for x that would make this inequality true
Aneli [31]

Answer:

6 , 7 , 8 , 9...

Step-by-step explanation:

2x > 10

x > 5

then

x = 6 , 7 , 8, 9...

I think that I am right and also think this will helpful to you.....

6 0
2 years ago
HELP !!!! Equations with 1 no or infinite solutions
ryzh [129]

1. v=0

2. No solution

3. m=0

4. No solution

5. p= -7

6. x=5

7. -12 = - 12

8. x=5

9. 3=3

10. -32= -32

11. x=0

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6 0
2 years ago
Read 2 more answers
A girl is walking 10 miles every 3 hrs whats her average speed ♥
Nookie1986 [14]
We want to find miles per hour.
Speed is distance over time.
So take 10 miles (distance) / 3 hours (time)
This is the same as 10/3.
10/3 = 3 and 1/3
Therefore, the girl is going 3 and 1/3 miles per hour.
6 0
2 years ago
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