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3 years ago

8

ASAP!!! the costs of a new macbook is $849. best buy is having a 20% off sale, but a 6% tax is added after the discount. how muc

h do you have to pay?

2 answers:

Mkey [24]3 years ago

8 0

You pay $179.988.

Hope this helped brainliest?

coldgirl [10]3 years ago

5 0

179.988 You pay that amount.

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A square napkin is folded in half on the diagonal and placed on the diameter of a round plate (see diagram below). If the folded

Crank

Answer:

$A=81(\pi-1)\ in^2$

Step-by-step explanation:

step 1

Find the area of the plate

The area of a circle is given by the formula

$A=\pi r^{2}$

we have

$r=18/2=9\ in$ ---> the radius is half the diameter

substitute

$A=\pi (9)^{2}\\A=81\pi\ in^2$

step 2

Find the area of the square napkin folded (is a half of the area of the square napkin)

we know that

The diagonal of the square is the same that the diameter of the plate

Applying Pythagorean theorem

$D^2=2b^2$

where

b is the length side of the square

we have

$D=18\ in$

substitute

$18^2=2b^2$

solve for b^2

$b^2=162\ in^2$ -----> is the area of the square

Divide by 2

$162/2=81\ in^2$

step 3

Find the area of the space on the plate that is NOT covered by the napkin

we know that

The area of the space on the plate that is NOT covered by the napkin, is equal to subtract the area of the square napkin folded (is a half of the area of the square napkin) from the area of the plate

so

$A=(81\pi-81)\ in^2$

simplify

$A=81(\pi-1)\ in^2$

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A square pyramid has a base area of 25 square inches, and a volume of 150 cubic inches. What is the height of the pyramid in inc

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Answer:

Step-by-step explanation:

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Answer:

B. y+ 4 = 3/4 (x-6)

Step-by-step explanation:

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2 years ago

Using the Distributive Property to factorize the equation 3x^2 + 24x = 0, you get _____The solution of the equation is _____

stiv31 [10]

Solution is x=0 x=-8

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3 years ago

A construction company needs new materials for the next job. It needs to purchase three wood beams. Each beam costs $45.25. The

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Answer: $210.75

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Another way to do it is (3 x 45.25) + (6 x 12.50) = 210.75

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