3 years ago

Help help help help

1 answer:

4 0

The answer is 4. 2x plus 7 is equal to 15. First you subtract 7 from both sides then divide by 2 to get the answer 4. Hope this helps!

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The circumference of the inner circle is 66 ft. The distance between the inner circle and the outer circle is 44 ft. By how many

Ray Of Light [21]

Answer:

276 4/7 ft

Step-by-step explanation:

Let r1 represent the radius of the inner circle. Then its circumference in feet is ...

C = 2πr

66 = 2π(r1)

If the radius of the outer circle is (r1 +44), then its circumference is ...

C = 2π(r1 +44) = 2π(r1) +2π(44)

C = 66 +88π

Then the difference in the circumferences is ...

(66 +88π) - (66) = 88π

Using the given value of π, the difference in circumferences is ...

(88 ft)(22/7) = 1936/7 ft = 276 4/7 ft

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3 years ago

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Step-by-step explanation:

$\frac{360 - 2(x + 30)}{2} = x \\ 360 - 2x - 60 = 2x \\ 300 - 4x = 0 \\ 4x = 300 \\ x = 300 \div 4 = 75$

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Answer:

A number less than 25 is 24 or below that.

Step-by-step explanation:

Hope this helps! Not sure if this is what you need but I hope it is

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2 years ago

One plus one over 2 y equal x

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Step-by-step explanation:

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MikesHas 10 to spend at the store he brought a drink for 2.50 what is the maximum number of candy bars that each cost 1.75 that

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10 dollars minus 2.50 is 7.50. 7.50 divided 1.75 and you get 4 candy bars

Step-by-step explanation:

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