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Artyom0805 [142]

3 years ago

7

Maria is making a scale drawing of her basement, which is 12 yards long. if she let's 1/2 inch represent 1 yard how many inches

long should she make the drawing?
A.60
B.24
C.12
D.6

1 answer:

andrezito [222]3 years ago

7 0

Answer:

the correct answer would be 6 inches.

Step-by-step explanation:

12*.5=6

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Brenda's vegetable garden has 13 rows with 8 plants in each row. Brendaplans to plant peppers in the first 2 rows and the last 2

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3 years ago

What is the value of (9^7) ^3/14, in simplest terms? a0

s2008m [1.1K]

Answer:

27.

Step-by-step explanation:

It is one property of exponents that for any numbers <em>a, b,</em> and c

$(a^b)^c=a^{bc}$

Therefore, using this property the expression $(9^7) ^{3/14}$ becomes

$(9^7) ^{3/14} =9^{(7*\frac{3}{14} )}$ .

and when when simplify the exponents, we get:

$9^{(\frac{21}{14} )}= 9^{\frac{3}{2} }= (9^{\frac{1}{2} })^3$ .

Since for any number $a^\frac{1}{2} =\sqrt{a}$ <em>( </em> $\dfrac{1}{2}$ <em> in the exponent means the square root) , </em> $(9^{\frac{1}{2} })^3$ is rewritten as

$(\sqrt9} )^3$

which simplifies to

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Thus,

$\boxed{ (9^7) ^{3/14}=27}$

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