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3 years ago

37,015 in word form please

Mathematics

2 answers:

Semenov [28]3 years ago

7 0

Thirty Seven Thousand and Fifteen

Kitty [74]3 years ago

5 0

Thirty Thousand Seven Thousand Fifteen.

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Answer:

1 is a

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3 years ago

A plant manager needs 75 sq. yds. of fabric and the fabric is only 32 in. wide. How many linear feet must she make to produce 75

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3 years ago

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Can someone help me answer 7, 8, and 9. Thank you! I don’t really get the circle concept

Mariulka [41]

Answer:

Part 7) Option C. The approximate perimeter of the patio is $54\ ft$

Part 8) Option G. $3\ floats$

Part 9) $150.72\ minutes$

Step-by-step explanation:

Part 7) we know that

The perimeter of the figure is equal to the circumference of the larger half circle plus the circumference of the smaller half circle plus two times the length of 8 ft

step 1

Find the circumference of the larger half circle

The circumference of the larger half circle is

$C=\pi r$

we have

$r=8+2=10\ ft$

substitute

$C=\pi(10)$

$C=10\pi\ ft$

step 2

Find the circumference of the smaller half circle

The circumference of the smaller half circle is

$C=\pi r$

we have

$r=2\ ft$

substitute

$C=\pi(2)$

$C=2\pi\ ft$

step 3

Find the perimeter of the figure

$10\pi\ ft+2\pi\ ft+2(8)\ ft=(12\pi+16)\ ft$

assume $\pi=3.14$

$(12(3.14)+16)=53.68=54\ ft$

Part 8) we know tat

The area of a circle is equal to

$A=\pi r^{2}$

we have

$A=28.26\ ft^{2}$

assume $\pi=3.14$

substitute the values and solve for r

$28.26=(3.14)r^{2}$

$r^{2}=28.26/(3.14)$

$r^{2}=9$

$r=3\ ft$

Find the diameter D

$D=2r=2(3)=6\ ft$

Divide the width of the pool by the diameter of the floats

$\frac{18}{6}=3\ floats$

Part 9)

step 1

Find the circumference of one coaster

The circumference of circle is

$C=2\pi r$

we have

$r=1.5\ in$

assume $\pi=3.14$

substitute

$C=2(3.14)(1.5)=9.42\ in$

step 2

Find the circumference of 48 coasters

$48(9.42)=452.16\ in$

step 3

we know that

The laser cut woods at the rate of 3 inches per minute

By proportion find how many minutes will it take to cut out 48 coasters

$\frac{3}{1}\frac{inches}{minute} =\frac{452.16}{x}\frac{inches}{minutes}\\ \\x=452.16/3\\ \\x=150.72\ minutes$

4 0

3 years ago