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3 years ago

Seven greater than 5 times a number, Y

Mathematics

1 answer:

QveST [7]3 years ago

6 0

5y<7 <------- That is the answer. BTW (by the way) the variable needs to always be on the rights side.

Hope this helps!!!!!!!!!

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Geometry question, any help is appreciated

kodGreya [7K]

Answer:

Hence, the ratios are given by 5:7, 25:49, 125:343.

Step-by-step explanation:

We are given two spheres such that:

Volume of small sphere $V_{s}$ = 250 $yd^{3}$

Volume of large sphere $V_{l}$ = 686 $yd^{3}$ .

Then the ratio of volume = 250 : 686 = 125 : 343.

Since, the volume of a sphere = $\frac{4 \pi \times r^{3}}{3}$ , this gives us that the ratio of the radius = ∛ $V_{s}$ : ∛ $V_{l}$

i.e. The ratio of the radius = ∛125 : ∛343 = 5 : 7.

Further, as the surface area of a sphere = $4 \pi \times r^{2}$ , this gives us that the ratioof surface area = $r_{s} ^{2}$ : $r_{l} ^{2}$

i.e The ratio of the surface area = $5^{2}$ : $7^{2}$ = 25 : 49

So, the ratio of the surface areas = 25 : 49.

Hence, the ratios are given by 5:7, 25:49, 125:343.

4 0

3 years ago

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3 students are 15% of what

geniusboy [140]

Answer:

Step-by-step explanation:

Calculate 10% of total = 3 / 1.5 = 2

Multiply by 10x since 10% is 1/10 of 100%

2 x 10 = 20

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3 years ago

Ryan has 3/4 of tank of gas in his car. it takes 1/6 of a tank of gas to drive to socccer practice and back home. with the gas i

marishachu [46]

I don’t know if this is correct but about 4 times because

3/4 -> 18/24 and 1/6 -> 4/24

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3 years ago

Change 3 out of 10 to a percentage

Nana76 [90]

Answer:

To convert fraction to decimal, divide 3/10, which would give you . 3 which is already a decimal. To convert decimal to percent, multiply by 100 which would give you 30, hence 30%

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3 years ago

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Which equation show you how to find 16-9

natima [27]

7+9=16 you can use that cause that is the opposite equation

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