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3 years ago

Help Please..

Mathematics

2 answers:

hammer [34]3 years ago

8 0

The area of the rectangular piece of cloth is

A = length*width = 9*3 = 27 square feet

The area of the square piece of cloth is

A = side*side = 5*5 = 25

---------

Add up the two results:

27+25 = 52

So Latisha has a total of 52 square feet of cloth.

Since she needs 60 square feet of cloth, she does <u>not</u> have enough cloth.

She needs 60-52 = 8 more square feet of additional cloth.

Paul [167]3 years ago

5 0

Answer:

3*9 = 27

5*5 = 25

27 + 25 = 52 < 60

She doesn't have enough cloth. She needs 8 square feet of cloth.

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Find limit as x approaches -3- of x/(sqrt(x^2-9)

gregori [183]

$lim_{x \rightarrow -3} \frac{x}{x^2-9} =lim_{x \rightarrow -3} \frac{1}{2x} = \frac{1}{2(-3)} =- \frac{1}{6}$

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3 years ago

Ella collects 50 bottles to recycle. Of the bottles she collects, 19 are plastic and the rest are glass.

nekit [7.7K]

QUESTION A

The total number of bottles Ella collected is
$50$

The number of bottles that are plastic is

$19$

The percentage of bottles that are plastic is

$= \frac{number \: of \: plastic \: bottles}{total \: number \: of \: bottes} \times 100\%$

$= \frac{19}{50} \times 100\%$

$= 19 \times 2\%$
$= 38\%$

Therefore 38% of the bottles are plastic.

QUESTION B

The total number of bottles that are glass is
$50 - 19 = 31$

The total number of bottles Ella collected is
$50$

The percentage of bottles that is glass is
$= \frac{number \: of \: glass \: bottles}{total \: number \: of \: bottles} \times 100\%$

$= \frac{31}{50} \times 100\%$

$= 31 \times 2\%$
$= 62\%$

Therefore 62% of the bottles are glass

8 0

2 years ago

HELP ILL MARK U BRAINLIEST

Lena [83]

Answer:

Step-by-step explanation:

7 0

2 years ago

Jack is a discus thrower and hopes to make it to the Olympics some day. He has researched the distance (in meters) of each men's

wolverine [178]

Answer:

65.03 meters

Step-by-step explanation:

The line of best fit, for the distance of the winning throw, in x years after 1980 is:

$y = 0.34x + 44.63$

Using the line of best fit, estimate what the distance of the gold medal winning discus throw was in 1980.

1980 - 1920 = 60, so this is y(60).

$y(60) = 0.34(60) + 44.63 = 65.03$

So the answer is 65.03 meters.

8 0

2 years ago

I don't even know wth to do

artcher [175]

The answer isnt on there? unless it's A
Rise Over Run
From Yint you go up two and left two making your answer 2 over -2 but that would just be -1 making your answer y=-x

8 0

2 years ago