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3 years ago

11

Is y=-½x+2 perpendicular to -2x+1

1 answer:

BartSMP [9]3 years ago

3 0

Answer:

i think no sorry if im whrong

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The area of a patio is 72 square feet. The length of the patio is 1 foot longer than the width. What is the width of the patio?

mote1985 [20]

I know there must be an equation to do this, but there is a simpler way.
Just factor number 72 into two numbers which, when multiplied, equal 72. Two of such numbers are 9 and 8, and you can see that the difference between those two numbers is just 1. So that is the answer to your question - the length of the patio is 9 feet, whereas the width is 8 feet.

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3 years ago

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olga_2 [115]

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B

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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ivolga24 [154]

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2 years ago

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Danny is building a pyramid modeled after one of the great pyramids of Giza in Egypt .The great pyramid has a height of 480 feet

Licemer1 [7]

Answer:

91.204 cubic feet

Step-by-step explanation:

We are given that

Height of great pyramid, h=480feet

Side of square base, a=755 feet

Height of Danny's pyramid, h'=480/100 feet

Side of square base of Danny's pyramid, a'=755/100 feet

We have to find the volume of Danny's pyramid if the volume of Danny's pyramid is 1/100 the size of great pyramid.

We know that

Volume of square base pyramid, V= $\frac{1}{3}a^2h$

Where a= Side of base

h=Height of pyramid

Using the formula

Volume of Danny's pyramid= $\frac{1}{3}\times(755/100)^2(480/100)ft^3$

Volume of Danny's pyramid=91.204 cubic feet

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2 years ago