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Q: How can you use 4x7 to find 8x7?

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The area of square is the square of one of its sides, which are all equal. To find the value of a side, take the square root of the area. In this case the square root of 49cm2 is 7cm. The perimeter is the sum of all four sides of the square, so the perimeter of a square with an area of 49cm2 is 7+7+7+7 = 28, or 4x7 = 28.

You use the distance formula.

I would use a caliper to find the diameter of the apple and multiply by pi or 3.141592653 or use a string to measure around the apple.

You can use pythagorean theorem twice to find the diagonal of a cube

Find the surface area of a cylinder with a radius of 16 and a height of 23. Use 3.14 for π. Round your answer to the nearest te

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You can use the product from 4x7 to find the product of 8x7 by doubling the answer to 4x7. The product of 4x7 is 28 and the product of 8x7 is 56 (28 doubled is also 56).

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You can use 4x7 to find 8x7 because 4 x 2 is 8, and you are simply doubling one of the numbers you are multiplying, (4 to 8) and so multiply your answer from 4x7 by 2 to get the answer to 8x7. 4x7 is 28 and 8x7 is 56, and 28 x 2 is 56.

4x7=28 2(4x7)=2x28=56

4x7=28(4x7=2x28=56

28

it any number can multiply by the same its commutative

commutative (order) property

it is 14x2=28,and 4x7=28

gcf(16x8, 24x7) = 8x7 16x8 = 8x7 x 2x 24x7 = 8x7 x 3

56

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