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Crazy boy [7]
3 years ago
10

Write 70 20 in lowest terms.

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
5 0

Answer:     Find the GCD (or HCF) of numerator and denominator. GCD of 70 and 20 is 10.

   70 ÷ 1020 ÷ 10.

   Reduced fraction: 72. Therefore, 70/20 simplified is 7/2.

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A kitchen counter will be designed according to the measurements of the diagram in the image. What is the area of the surface of
Semmy [17]

Answer:

B:31.5

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
What two partial products would you add to find 513 x 46
Afina-wow [57]
First, let me do the Mathematical part of that, and then I shall explain the theory behind it.

Mathematical part:
We are going to multiply 513 with 46. So the two partial products that we are going to choose are 40 and 6.

Multiply 513 with 6 first.

    513
    x46
--------------------------
      18 (as 6*3 = 18)
      60 (as 6*10 = 60; In 513, the digit at tenths place is 1, so 1*10=10)
  3000 (as 6*500 = 3000; In 513, 5 is at hundredth place, so 5*100=500)
    120 (as 40*3 = 120; since 4 is at the tenth place, so 4*10=40)
    400 (as 40*10 = 400)
20000 (as 40*500 = 20000)
--------------------------
23598 (Add all of them)


Theory:
As you can see above that we have chosen the two partial products individually which are 6 and 40. Since 4 in 46 is in tenth place, we have to consider it 40 (since 4*10 = 40). One by one, we first multiply 6 with 513. Then we move to the tenth place, and multiply 513 with 40. At the end, we have added all the results we found after multiplication.

Check: If we check the multiplication result by using the calculator, we would get the same result (23598).

Another Method (instant):
513 * (40+6) = (513*40) + (513*6) = 23598.
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C ≈ 307.88
Hope that helps.
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