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3 years ago

50% of what number is 30?

Mathematics

1 answer:

mote1985 [20]3 years ago

3 0

I hope this helps you

%50.?=30

50/100.?=30

1/2.?=30

?=30.2

?=60

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3 years ago

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Which ratio is equal to 15:20? a: 5:10 b: 18:25 c:21:28 d: 24:30

tiny-mole [99]

Answer:

C - 21:28

Step-by-step explanation:

this is solved by a little bit of trial and error. divide the possible answer numerators by 15, and check if it's the same for the denominator.

For C I did this:

Divided the denominators: 28 ÷ 20 = 1.4....so that's 1.4.

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3 years ago

If HJ=2x+5, JK=3x-7, and KH=18 what is the value of x

weqwewe [10]

Answer:

x = 4

Step-by-step explanation:

Given

HJ=2x+5
JK=3x-7
KH=18

We see J is between H and K, so

KH = HJ + JK
2x + 5 + 3x - 7 = 18
5x - 2 = 18
5x = 20
x = 4

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3 years ago

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Answer:

Nominal, Ordinal, interval or Ratio scale, Nominal.

Step-by-step explanation:

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Examining each one:

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These are not numerical. These are qualitative classification.

2. How many escorted vacations have you taken prior to this one?

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3. What is the current temperature outside? Interval or Ratio Scale

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3 years ago

What is the volume of a sphere with a radius of 16 meters? Use 3.14 for pi. Round your answer to the nearest hundredth

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Answer: V≈17157.28m³

Step-by-step explanation:

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3 years ago

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