Type the missing number.Hint: Use properties of multiplication

Mathematics

1 answer:

AVprozaik [17]4 years ago

4 0

The missing number is 406.66

Step-by-step explanation:

Step 1: Use the distributive property of multiplication to find the missing number. Distributive property of multiplication is a(b + c) = (a × b) + (a × c)

Here, a = 9.8, c = 607.36

So the missing number, b = 406.66

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The complete question in the attached figure

we know that

in the triangle BDC
cos alfa=3/y----------> equation 1
sin alfa=x/y----------> equation 2

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sin alfa=3/5---------> equation 4

then

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Equal equation 2 and 4
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the answer is
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