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3 years ago

What is the answer to 8^3 - 9.2÷3

Mathematics

1 answer:

KengaRu [80]3 years ago

3 0

512-3.06

=508.94

it`s your required ans...

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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

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

simplify

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

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Lcm of 3x^(2) and 10

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Answer:

the least common multiple is 18

Step-by-step explanation:

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Write the inequality shown by the graph

garik1379 [7]

Answer:

The answer should be m < -2.5

Step-by-step explanation:

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omar is saving to buy a game hes saved 30 dollars which is six-fifths of total game cost. how much does it cost?

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4 years ago

The city zoo had an equal number of visitors on Saturday and sunday.in all, 32,096 people visited the zoo that weekend.how many

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Divide 32,096 by two days (2) to get 16,048 people per day visiting the zoo.

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4 years ago

What is the answer to 8^3 - 9.2÷3​

What is the answer to 8^3 - 9.2÷3