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kow [346]
3 years ago
13

Plzz helppp i don't understand​

Mathematics
2 answers:
vivado [14]3 years ago
6 0

Answer:

40

Step-by-step explanation:

The denominators are 4, 5, and 8.

Write the prime factorizations:

4 = 2²

5 = 5

8 = 2³

To find the least common denominator, multiply the prime numbers with the highest exponents.

2³ × 5 = 40

DedPeter [7]3 years ago
4 0

Answer:

LCD=40

EXPLANATION= To find the least common denominator first convert all integers and mixed numbers (mixed fractions) into fractions. Then find the lowest common multiple (LCM) of the denominators.

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2 years ago
BC = 36; D = 15. What is the value of BD - AC.<br> B<br> A<br> BD - AC =
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Answer:

BD - AC = 0

Step-by-step explanation:

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BC = 36 , CD = 15 and BD = x

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(BD)^2+(CD)^2=x^2\\(36)^2+(15)^2 = x^2\\1296 + 225 = x^2\\1521 = x^2\\

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