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vredina [299]
3 years ago
6

There are 250 people in a mueseum 2/5 of the people are girls 3/10 of 250 are boys how many adults are there

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

250/5 = 50

50 X 2 = 100

250/10 = 25

25 x 3 = 75

25 + 75 = 100

250-100 = 150

150 adults

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laila [671]

Answer:

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Step-by-step explanation:

The linear equation is y=mx+b

A= y= -2x+7.

-2 represents he slope and 7 represents the y intercept.

B= y= -\frac{3}{2}x+ 6

-\frac{3}{2} is the slop and 6 is the y intercept.

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8 0
3 years ago
Mark made a scale drawing of a soccer field, using a scale of .5 cm=1m. The actual length of the field is 110 m. What is the len
nataly862011 [7]

Answer:

The length of the field on the drawing is 55 cm.

Step-by-step explanation:

Given:

Mark made a scale drawing of a soccer field.

Using a scale of .5 cm=1 m.

The actual length of the field is 110 m.

Now, to find the length of the field on drawing.

Let the length of the field on drawing be x.

As given 0.5 cm is equivalent to 1 m.

Thus, x is equivalent to 110 m.

Now, to get the length of the field on drawing by using cross multiplication method:

\frac{0.5}{1} =\frac{x}{110}

<em>By cross multiplying we get:</em>

⇒ 55=x

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Therefore, the length of the field on the drawing is 55 cm.

8 0
3 years ago
The route to an ancient pyramid is 79 miles long.
Nostrana [21]

The route to an ancient pyramid is 79 miles long; if 20 miles is travelled each day for 3 days, the distance travelled in the fourth day would be 19 miles.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let the distance travelled in the first day be 20 miles. If the same time was travelled for 3 days, hence:

3(20) + x = 79

x = 19 miles

The route to an ancient pyramid is 79 miles long; if 20 miles is travelled each day for 3 days, the distance travelled in the fourth day would be 19 miles.

Find out more on equation at: brainly.com/question/2972832

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8 0
2 years ago
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True [87]

x^2 -12x +11

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5 0
3 years ago
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iogann1982 [59]
Answer: $156.86

Step by Step:

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3 years ago
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