2 years ago

Write 75 as a product of prime factors

2 answers:

8 0

75 as a product of prime factors

75= 3x5^2

Inga [223]2 years ago

3 0

75 = 3 x 5 x 5 or it can be written like this: 75 = 3 x 5 squared

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i believe the formula you need is; SA= n(3/10 ib) + 9b

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3 years ago

Brrunno [24]

We have to solve this quadratic equation $n^{2}+n=56$ for n to get which figure has 56 blocks.

$n^{2}+n=56\\n^{2}+n-56=0$

For middle term factorization, we need two numbers that multiplied gives us -56 and added gives us 1 (coefficient of n).

Such two numbers are 8 and -7. We can now write,

$n^{2}+n-56=0\\(n+8)(n-7)=0\\n=-8, 7$

"There is no negative figure number possible, so we disregard -8"

Our answer is 7.

ANSWER: The 7th figure has 56 blocks.

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3 years ago

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3 years ago

Write 75 as a product of prime factors​