Standard algorithm 91 divided by 8

Mathematics

1 answer:

charle [14.2K]3 years ago

7 0

91÷8 is 11 r3 because when you divide by 8, the next number is 88. 88+3 is 91. Hope this helps! :))

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A circle has a diameter of 26 units. What is the area of the circle to the nearest hundredth of a square unit

Hitman42 [59]

To find the area of the circle, you will use the formula for finding area of any circle.

The radius is half the diameter.

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3.14 x 13^2
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The area is 530.66 square units.

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3 years ago

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You are choosing between two plans at a health club. Plan A offers an initial membership fee of $75. And you pay $15 per month.

Dennis_Churaev [7]

Answer:

5 months

Step-by-step explanation:

Let the number of months equalising both plans fee = x

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3 years ago

Rewrite the form In exponential form: Log100 = x

andrey2020 [161]

Answer:

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Step-by-step explanation:

You know how subtraction is the opposite of addition and division is the opposite of multiplication? A logarithm is the opposite of an exponent. You know how you can rewrite the equation 3 + 2 = 5 as 5 - 3 = 2, or the equation 3 × 2 = 6 as 6 ÷ 3 = 2? This is really useful when one of those numbers on the left is unknown. 3 + _ = 8 can be rewritten as 8 - 3 = _, 4 × _ = 12 can be rewritten as 12 ÷ 4 = _. We get all our knowns on one side and our unknown by itself on the other, and the rest is computation.

We know that $3^2=9$ ; as a logarithm, the exponent gets moved to its own side of the equation, and we write the equation like this: $\log_3{9}=2$ , which you read as "the logarithm base 3 of 9 is 2." You could also read it as "the power you need to raise 3 to to get 9 is 2."

One historical quirk: because we use the decimal system, it's assumed that an expression like $\log1000$ uses base 10, and you'd interpret it as "What power do I raise 10 to to get 1000?"

The expression $\log100=x$ means "the power you need to raise 10 to to get 100 is x," or, rearranging: "10 to the x is equal to 100," which in symbols is $10^x=100$ .