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3 years ago

If a circle has a diameter of 10cm what is the radius

Mathematics

2 answers:

astraxan [27]3 years ago

8 0

5cm therefore half of a diamter is a radius

FromTheMoon [43]3 years ago

6 0

The radius is half the diameter so your answer would be 5.

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Solve for x.<br><br> Please help :)

o-na [289]

Answer:

x=85

Step-by-step explanation:

2x+5=120+55

2x+5=175

2x=175-5

2x=170

x=170/2

x=85

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3 years ago

A=9 inches, b=12 inches, c=, is the hypotenuse known or unknown?

s2008m [1.1K]

Unknown. C is the hypotenuse, but this problem is solvable.

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3 years ago

What is base number

seropon [69]

Answer: Base numbers are the number of units, or numbers, we use in our counting system, also called a number system. The most common base number is ten because the digits 0-9 are used in the number system. In other words, whenever we want to tell a number to someone we don't use any numbers besides 0-9. If it was a base-5 number system we would only use five different digits, like 0-4.

Step-by-step explanation:

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3 years ago

Mike had twice as many paper birds as june. After he gave 15 paper birds to june, he had half as many paper birds as june. How m

makkiz [27]

Answer:

Step-by-step explanation:

Begin by assigning expressions for both Mike and June. If Mike has twice as many birds as June, then June has x birds and Mike has 2x birds. "After he gave 15 paper birds to June" means we are subtracting 15 from what he has, which is 2x. Therefore, the first part (or the left side of our equation) looks like this: 2x - 15 =

Now what he has left is what goes on the right side of the equals sign. If what Mike has left is half as many as June, then 1/2x goes on the right. Our equation then is

$2x-15=\frac{1}{2}x$

Combine like terms to get

$\frac{3}{2}x=15$

Multiply both sides by 2/3 to get that x = 10. If x is June's number of paper birds, and Mike's is 2x, then Mike has 20. Together they have 30.

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3 years ago

The diagram shows a convex polygon <br><br> solve for b

ikadub [295]

Just add all of them up the sides

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3 years ago