3 years ago

In simplifying the expression 2( 3x + 5) -6, what is the first thing to do?

Mathematics

1 answer:

hodyreva [135]3 years ago

3 0

Answer:

distribute 2 inside the parenthesis

Step-by-step explanation:

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sleet_krkn [62]

Answer:

Step-by-step explanation:

x-1 = 0

x = 1

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f(1) = 3(1)⁵+2(1)⁴+5

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3 years ago

On Monday, a concession stand manager ordered 985 popcorn bags. She splits the bags evenly among 5 concession stands. How many p

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Answer:

d. 0.133

Step-by-step explanation:

-Standard error is calculated using the formula:

$E=\frac{\sigma}{\sqrt{n}}\\\\\sigma-=standard \ deviation\\n=sample \ size$

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$E=\frac{\sigma}{\sqrt{n}}\\\\=\frac{1.2}{\sqrt{81}}\\\\=0.133$

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3 years ago

What is the LCM of 42 and 63?<br><br> Please show work! I'm very confused and don't understand.

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Answer:

LCM of 42 and 63 is 126.

Step-by-step explanation:

Find the prime factorization of 42

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63 = 3 × 3 × 7Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

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2 years ago

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