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3 years ago

I just have no idea where to begin on this one :/

Mathematics

1 answer:

Crank3 years ago

4 0

Shh what’s that sound

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Giant is selling Cereal at $8 for 3 boxes.what is the cost per box?

Zolol [24]

Answer:

$2.67

Step-by-step explanation:

you divide to find unit rate

8/3 = 2.666667

7 0

3 years ago

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Which row of Pascal’s triangle would you use to expand (2x 10y)15?

Pepsi [2]

The <em><u>correct answer</u></em> is:

Row 15.

Explanation:

Each row of Pascal's triangle corresponds with the exponent of a binomial. The first row is a binomial to the first power; the second row, to the second power; the third row, to the third power; etc.

For the 15th power, we would want the 15th row of the triangle.

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4 years ago

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12. WILL MARK BRAINLIEST!! HELP!

IgorC [24]

Step-by-step explanation:

$- \bigg( \frac{2x}{ - xy} \bigg) \\ \\ = - \bigg( \frac{2}{ - y} \bigg) \\ \\ = - \frac{2}{ - y} \\ \\ = \frac{2}{ y}$

5 0

3 years ago

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What would the value of X be?

Tomtit [17]

Answer:

Step-by-step explanation:

6 0

4 years ago

If (a/b) =(9/7)^-3 ÷(3/7)^1, then find the value of (a/b)^2

sdas [7]

Answer:

decimal = 1.20527

Step-by-step explanation:

$\frac{a}{b} = (\frac{9}{7})^{-3} \div (\frac{3}{7})^1$

$=(\frac{7}{9})^3 \times \frac{7}{3}\\\\$

$(\frac{a}{b})^2 = ((\frac{7}{9})^3)^2 \times (\frac{7}{3})^2\\\\$

$= \frac{7^6 \times 7^2}{9^6 \times 3^2}\\\\= \frac{7^8}{9^6 \times 9}\\\\=\frac{7^8}{9^7}\\\\=\frac{7^7 \times 7}{9^7}\\\\= 7 \times \frac{7^7}{9^7}\\\\= 7 \times (\frac{7}{9})^7$

$=\frac{5764801}{4782969}$

7 0

3 years ago