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Sindrei [870]
3 years ago
10

A collector has 180 movie posters and 100 band posters. She wants to sell 36 movie posters but still have her poster collection

maintain the same ratio of 180:100. If she sells 36 movie posters, how many band posters should she sell? Explain?
Mathematics
1 answer:
vlada-n [284]3 years ago
6 0
The word problem is based on division ratio so u have to divide by five so 100 divided by five is  20 meaning the collector has to sell 20 band posters.
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Please help!!!! i am despite, i will mark brainlyest
Sedaia [141]

Answer:

x=12

10x = 120

5x = 60

Step-by-step explanation:

paralellograms will become 360 degrees

so 2(5x) +2(10x)= 360

Simplify:

10x + 20x = 360

= 30x

divide both sides by 30 and isolate

<u>30x </u> = <u>360</u>

30        30

x=12

multiply 12 by 10x and 5x

10x = 120

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7 0
3 years ago
Eliza started the week with $274 in her bank account. This week she babysat for 16 hours and made $144.25. Eliza then went to th
elixir [45]
Hi. I hope this helps!

I believe the answer is 330.26 left.

1. First you add 274 and 144.25

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2. The. You subtract the amount of the video game from 388.25

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4 0
4 years ago
Please help me outtt :D
kobusy [5.1K]

Answer:

the answer would be B the answer would be B

8 0
3 years ago
I’m having a lot of trouble, can someone guide me, step by step?
shutvik [7]

Answer:

Hi hopefully this helps you!

Step-by-step explanation:

To find the area of a circle you can use the formula A = πr^2

The radius of a circle is just the diameter divided by 2. In this case we know the diameter is 3, so the radius is 1.5

A = π(1.5)^2

   = 7.07

Because this is a semicircle, divide this area by 2

   = 3.53429 in^2

Add up the area of this semi circle with the area of the rectangle

A = (3.53429) + (3x4)

   = 15.53429 in^2

To find the circumference/ perimeter of a circle use this formula C = 2πR

C = 2π(1.5)

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Again because this is a semicircle, divide by 2

   = 9.42478 / 2

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To find the perimeter of this entire shape add up the circumference of the semicircle and the rectangle's sides and bottom

P = 4.71239 + 4 + 4 + 3

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So the final answer would be

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Hope this helps! Best of luck in your studies <3

6 0
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Solve the following system of equations:
Stella [2.4K]

Answer:

(1, 3) is the answer! hope this helps

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