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Oksanka [162]
3 years ago
12

Dion puts seven tenths of his allowance into savings each month what fraction of his saving doesnt go in

Mathematics
1 answer:
S_A_V [24]3 years ago
5 0

Answer:

\frac{3}{10} of his allowance doesn’t go into Dion’s savings.

Step-by-step explanation:

We know that \frac{7}{10} of Dion’s savings is going into his savings.

Since the denominator is “10” we know that \frac{10}{10} is the fraction that represents all of his allowance money.

So, we would subtract \frac{7}{10} from \frac{10}{10}.

\frac{10}{10} - \frac{7}{10} = \frac{3}{10}

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3 years ago
Increase £130 by 15%
Mamont248 [21]

Answer:

£149.5

Step-by-step explanation:

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3 years ago
What is the percentage of 350 over 100
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A prop for a school play is a sphere that will be hung from the ceiling. The surface area of the sphere is 5 024 cm'. If the sur
denis23 [38]

Answer:

The radius of the sphere, to the nearest cm:

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Step-by-step explanation:

The surface area of a sphere is given by the formula

A = 4πr²

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Given

  • The surface area of sphere A = 5024 cm²

The radius of the sphere can be determined such as

A\:=\:4\pi r^2

r\:=\:\frac{1}{2}\sqrt{\frac{A}{\pi }}

Plug in Surface Area of sphere =  5024, π = 3.14 in the formula

\:r\:=\:\frac{1}{2}\sqrt{\frac{5024}{3.14}}\:\:

r\approx 20 cm

Therefore, the radius of the sphere, to the nearest cm:

r\approx 20 cm

3 0
2 years ago
HELP PLEASE LOOK AT PICTURE
solniwko [45]

Answer:

It decreases.

Step-by-step explanation:

10 / d

Lets say that it was 10 / 40, which is 10 divided by 40, 0.25.

Now, it has increased to twice the amount of that.

1 / 80, 10 divided by 80, which is 0.125

So, it decreases.

4 0
3 years ago
Read 2 more answers
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