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4 years ago

11

Ushma and her friends went to a movie that started at 7:35 PM the movie ended at 9:20 AM How long was the movie in hours and min

utes?

2 answers:

skelet666 [1.2K]4 years ago

6 0

You might mean 9:20 PM if so the answer is 1 hour 45 minutes.

Delicious77 [7]4 years ago

5 0

1 hour and 45 min
..............................

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Students surveyed boys and girls separately to determine whether they wanted outdoor

vazorg [7]

Answer:

111 girls

Step-by-step explanation:

Given

Boys: Every 17 outdoor ≈ 20 indoor

Girls: 3:2 outdoor to indoor

First, we'll determine the ratio of outdoor to indoor for boys;

Recall that;

17 choose indoor while 20 choose outdoor;

The ratio of outdoor to indoor is;

20 : 17

Convert to fraction:

$\frac{20}{17}$

Let x represent number of boys that choose indoor when 85 boys chose outdoor;

The ratio of outdoor to indoor is;

x : 85

Convert to fraction

$\frac{x}{85}$

Equate both fractions

$\frac{20}{17} = \frac{x}{85}$

Multiply both sides by 85

$85 * \frac{20}{17} = \frac{x}{85} * 85$

$85 * \frac{20}{17} = x$

$\frac{1700}{17} = x$

$100 = x$

$x = 100$

This implies that when 85 chose outdoor, 100 chose indoor for boys;

Total = 100 + 85

Total = 185 boys surveyed

<em>Recall that the question says the same number of boys and girls were surveyed</em>

This implies that

Total Girls Surveyed = 185

For the girl ratio;

Outdoor to Indoor= 3:2

Number of girls that chose outdoor is as follows;

$Outdoor = \frac{3}{3 + 2} * Total$

$Outdoor = \frac{3}{3 + 2} * 185$

$Outdoor = \frac{3}{5} * 185$

$Outdoor = \frac{555}{5}$

$Outdoor = 111$

<em>Hence, the number of girls that chose outdoor is 111</em>

4 0

3 years ago

A man walks 10 miles in x hours. How far does he walk in one hour?

Andreas93 [3]

Answer:

Option (c) is correct.

The distance covered by the man in 1 hour is represented by te expression $\frac{10}{x}$ miles.

Step-by-step explanation:

Given: A man walks 10 miles in x hours.

We have to choose a correct expression that represents the distance covered by the man in 1 hour.

Consider the given statement."A man walks 10 miles in x hours."

Using UNITARY METHOD,

(is a method in which we first find the value of a single unit and then multiply it with desired quantity)

Distance covered by man in x hours = 10 miles,

So distance covered by man in 1 hour = $\frac{10}{x}$ miles.

So, The distance covered by the man in 1 hour is represented by te expression $\frac{10}{x}$ miles.

5 0

4 years ago

9(2+2p) show distributive property<br>

balu736 [363]

Answer:

9(2+2p)

9 x2 + 9 x 2p

18 +18p

6 0

3 years ago

Look at this table:

Y_Kistochka [10]

Hi,

Your y=MX+b equation would be y=20/81x+10

Hope this helps!

4 0

3 years ago

Okay I do not get questions like this ..

liberstina [14]

The answer is D cuz its a +ve parabola and symmetric to the x axis

8 0

3 years ago