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2 years ago

5

Kamilah noticed that three different-sized boxes of the same cookies were on sale at a grocery store. The 425 g box was on sale

for $3.59, the 740 g box was on sale for $4.88, and the 950 g box was on sale for $7.29. Which box of cookies was the best buy?

1 answer:

KengaRu [80]2 years ago

3 0

Answer:

740 g box for $4.88, hope this helps

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3 years ago

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Step-by-step explanation:

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4 years ago

Gabriel is designing equally sized horse stalls that are each in the shape of a rectangular prism. Each stall must be 9 feet hig

Andrews [41]

Answer:

The equation is $9x(x+2)=1,080.$

The solution of the equation is x=10.

Step-by-step explanation:

The volume of a rectangular prism is found using the formula V = l · w · h, where l is the length, w is the width, and h is the height.

Let x ft be the widht of the stall, then the length of the stall is x+2 ft. If each stall must be 9 ft high, then the volume of the stall is $V=x\cdot (x+2)\cdot 9=9x(x+2)\ ft^3.$

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$9x(x+2)=1,080,\\ \\x(x+2)=120,\\ \\x^2+2x-120=0,\\ \\D=2^2-4\cdot (-120)=4+480=484=22^2,\\ \\x_{1,2}=\dfrac{-2\pm 22}{2}=-12,\ 10.$

The width cannot be negative, thus, $x=10.$

5 0

3 years ago

aniked [119]

Answer:

i really dunonjust need tho points sorry but have a blessed Dayyy

Step-by-step explanation:

4 0

3 years ago