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3 years ago

Does anyone know the answer? It’s due in an hour PLEASE HELPPP!!

Mathematics

1 answer:

valentinak56 [21]3 years ago

4 0

When i did that sort of thing i had a trick. But you are correct.

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[PICTURE ATTACHED] HHEELLPPP<br><br> btw look at both of the pics

Natalija [7]

I think that it is the first line. I am not really sure what the question is asking so I may be wrong. Sorry if I can’t help

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3 years ago

There were 20 boys and 20 girls in a chorus. What is the ratio of boys to girls

aliya0001 [1]

Answer:

1:1

Step-by-step explanation:

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2 years ago

» Round 13.045 to the nearest whole number.

pentagon [3]

Answer:

Step-by-step explanation:

Have a good day

7 0

2 years ago

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3. You have decided to wallpaper your rectangular bedroom. The dimensions are 12 feet 6 inches by 10 feet 6 inches by 8 feet 0 i

Shalnov [3]

Answer:

B. 5 rolls

Step-by-step explanation:

The areas of the room, not including the ceiling, are discriminated as follows:

Longer walls: $(12.5\times8)\times2=200ft^2$ (6 inches equals one foot)

Shorter walls: $(10.5\times8)\times2 = 168ft ^ 2$ (6 inches equals one foot)

Window area: $(4\times3)\times2 = 24ft ^ 2$

Door area: $(7\times3) = 21ft ^ 2$

Area that will be effectively covered:

Total area to wallpaper: $200 + 168 -24 -21 = 323ft ^ 2$

Amount of paper needed: $323\times1.1 = 355.3ft ^ 2$

$30in = 24in + 6in = 2ft + 0.5ft = 2.5ft.$ That is, the area of a roll of paper is $2.5\times30 = 75ft ^ 2$

Number of rolls needed:

$\frac{355.3}{75} = 4.73$ rolls

5 0

3 years ago

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If the relative frequency of a train being late is 0.15, how often could you expect the train to be late in 100 days?

Natali [406]

Relative frequency is the number of times that the train is late between the total of journeys, so only multiply 0.15*100 =15 times

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3 years ago

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