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3 years ago

7

Ana has a poster board in the shape of a rectangle. she draws 1 line to cut the poster into 2 new shapes. The 2 new shapes have

7 side and 7 vertices in all

1 answer:

Lena [83]3 years ago

7 0

You will draw the line from one corner to the other side. Like the picture I uploaded.

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One pipe fills a storage pool in 20 hours, another pipe fills the same pool in 15 hours.

erica [24]

X=time of the third person it would take to fill the pool
We can suggest this equation:
6[(1/20) + (1/15) +(1/x)]=1
6[(3x+4x+60)/60x]=1
(7x+60)/10x=1
7x+60=10x
7x-10x=-60
-3x=-60
x=-60/-3
x=20

Answer: the third person alone would fill the pool in 20 hours .

6 0

3 years ago

The current student population of the Brentwood student center is 2000 the enrollment at the center increases at a rate of 4% ea

Sholpan [36]

Answer:

Step-by-step explanation:

Find the 4% of the 2000.

Then, add it to the 2000.

Keep adding the 4% which is 0.8 to the new sum until you get up to the third year and there you go!

Hope this help you!

4 0

3 years ago

If a crate contains 25,500 ounces (oz) of rice, about how many kilograms (kg) does it contain? (1 lb = 16 oz, 1 lb = 0.454 kg)

Flauer [41]

$\frac{25,000 oz}{1} * \frac{1LB}{16oz} * \frac{0.454 KG}{1 LB}$ = 723.5625 kg

Answer: B

8 0

3 years ago

Read 2 more answers

In a box there are two prizes that are worth $4, a single prize worth $20, and a single prize worth $200. A player will reach in

Ronch [10]

Answer:

57

Step-by-step explanation:

The player has a 1/4 chance of drawing any of the 4 prizes. This means that the probability of drawing a prize of $4 is 1/2 because there are 2 prizes worth of $4. The probability of drawing a prize of $20 is 1/4 and the probability of drawing a prize of $200 is also 1/4. To find the fair price of the game, we have to calculate the expected value that the player will gain. This can be obtained by multiplying any possible value of a price for the probability of drawing a prize of that value and adding all the obtained values togueter. Thus, the fair price of the game is

$4 * \frac{1}{2} + 20 * \frac{1}{4} + 200 * \frac{1}{4} = 57$

6 0

3 years ago

HELP PLEASE!!!!!!!!!!!!!!!!!!!!!

devlian [24]

I think it’s the third one and the last two. I’m sorry if it’s wrong

7 0

3 years ago