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Olenka [21]
3 years ago
13

recycling is the process of collecting selected material and making it so it can be used again.Recycling paper and aluminum cans

is one way many schools help our environment. about what fraction of the material collected by frontier elementary school was aluminum?explain how you estimated.
Mathematics
1 answer:
Novosadov [1.4K]3 years ago
4 0
What does this mean can you put it simpiler
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A large rectangular movie screen in an IMAX theater has an area of 8,364 square feet. Find the dimensions of the screen if it is
jeyben [28]

Answer:

The dimensions of the screen are

Length:102 feet

Width: 82 feet

Step-by-step explanation:

we know that

The area of the rectangle (movie screen) is equal to

A=LW

where

L is the length

W is the width

we have

A=8,364\ ft^2

so

8,364=LW ----> equation A

The screen is 20 feet longer than it is wide.

so

L=W+20 ---> equation B

substitute equation B in equation A

8,364=(W+20)W

solve for W

8,364=W^2+20W\\W^2+20W-8,364=0

solve the quadratic equation by graphing

the solution is W=82 ft

see the attached figure

Find the value of L

L=82+20=102\ ft

therefore

The dimensions of the screen are

Length:102 feet

Width: 82 feet

7 0
3 years ago
Given that justin is collecting data on reaction time, what type of data is he working with?.
Softa [21]

Answer:

Given that Justin is collecting data on reaction time, what type of data is he working with? Reaction time is continuous quantitative data because it is obtained by measuring and is not limited to a certain set of numbers.

8 0
2 years ago
lol Barney has 16 1 yards of fabric. To make an elf costume, he needs 5 5 2 yards of fabric. How many costumes can Barney make?
ioda
Well i happen to have that question and it is that he has 16 1/5 fabric and need 5 2/5 to make an elf costume. how many costumes can he make? Well so basically all you have to do is 16 1/5 divided by 5 2/5, which is: 3. The answer is 3 hope this helped! 
7 0
3 years ago
HELP ASAP i need help 9th grade math!!
Leviafan [203]

Answer:

yes

Step-by-step explanation:

this is because we are eliminating the same shape so the same amount of weight from both sides, therefore the mobile still balances

4 0
2 years ago
The radius of a semicircle is extended by 6 inches.how does the measure of the semicircles arc length change?
vivado [14]
Let x be the original radius.  Given that a semicircle will have an arc length of half of a circumference and C=2pr, the arc length will be just pr.

Now the difference of arc is then going to be:

p(6+x)-px

p(6+x-x)

6p inches

So the arc will be 6p inches longer.  Or if you wish to approximate...

≈18.85 inches
7 0
3 years ago
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