MATHEMATICS MIDDLE SCHOOL

How do you multiply,fractions and make sure my answer is correct

Answers

Answer 1
Answer: You multiply the numerator or top of the fraction by the other numerator and then you multiply the denominator or the bottom of a fraction by the other denominator.
Answer 2
Answer: The algebraic formula for multiplying fractions is a/b * c/d = ac / bd. For example: 2/6 * 1/4 = 2*1 / 6*4 = 2 / 24.Reducing this fraction we get 1/12.

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The total cost of water heater including a 7% sales tax is 524.30 what is the cost of the water heater without the tax

Answers

patio and proportionx/524.30= 7%/100%cross multiply100x= 3670.1divide by 100x= $36.70 sales taxsubtract that from the price paid$524.30- $36.70=$487.60$487.60 is the cost of the water heater before the sales taxhope this helps

Find the percent of each number what's 25% of 56

Answers

Answer=14

25%=.25

x=56*.25
x=14

What mathematical operation does a fraction represent?

Answers

It represent division
A fraction represents division

Is 6 a múltiple factor Of 24

Answers

Yes it is!

6 times 4 = 24
That's correct it is 6 a multiple factor of 24 :D

Round 636 to the nearest ten and hundred

Answers

Rounding 636 to nearest ten will give 640 and rounding 636 to nearest hundred will give 600 .

Given,

Rounding 636 to nearest ten and hundred .

Here,

The number in the tens place is 3.  The number after that is 6 which is greater than 5 so you round up.  Therefore 636 rounded to the nearest tens place is 640.

The number in the hundreds is 6, the next number is 3 and since it is less than 5, you keep it at the same.  636 rounded to the nearest hundred place is 600.

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The number in the tens place is 3.  The number after that is 6 which is greater than 5 so you round up.  Therefore 636 rounded to the nearest tens place is 640. 
The number in the hundreds is 6, the next number is 3 and since it is less than 5, you keep it at the same.  636 rounded to the nearest tens is 600.

about 50 percent of the population of Alaska is Justin up 50 mile radius of Anchorage if the total area of Alaska is 580 6412 square miles about what percent of the total andrea is within 50 miles of Anchorage

Answers


The area of any circle = (pi) (radius)² 

The area enclosed within 50 miles of Anchorage = (pi) (50)² =
                                                                        (pi) (2,500) =
                                                                        7,854 square miles (rounded)

The area of Alaska is  663,300 square miles.

The area within 50 miles of Anchorage is (7,854 / 663,300) =
                                                                   0.01184... of the area of Alaska =
                                                                       1.184...% of the area of Alaska.

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