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ahrayia [7]
3 years ago
8

the ratio of high school students who were homeschooled to those who attended other schools was three to seven. if there were 90

homeschoolers, what was the total number of high schoolers?
Mathematics
1 answer:
lina2011 [118]3 years ago
6 0

Answer:

210 high schoolers as ratio becomes 90:210

Step-by-step explanation:

we can see that 3:7 can be multiplied if 3 x 3 = 9 then 7 x 3 =21 we just add the zero and find a 90:210 ratio

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Evgen [1.6K]

Step-by-step explanation:

when the scale says 1:500000, then that means 1 unit in the map corresponds to 500000 units in reality.

and so, 3.2 cm on the map are

3.2 × 500000 cm in reality.

3.2 × 500000 = 1,600,000 cm = 16,000 m = 16 km

7 0
2 years ago
If the area of the triangle is 10cm?, find the height.<br> 5cm
Anna71 [15]

Answer:

4cm

Step-by-step explanation:

The formula for area of a triangle is hxb/2 so plug in the the area so the equation looks like hx5/2=10 and you get 4 for height

5 0
3 years ago
The cost of 25 litres of petrol is Rs.1400.Find the cost of 30 litres of petrol.​
Leona [35]
Rs.1680

Liter. Rs
————-|————-
25 | 1400
:5( | ):5
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x6( | )x6
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7 0
3 years ago
Each vertical cross-section of the triangular prism shown below is an isosceles triangle.
Fantom [35]

Answer:

<h3>x = 3 units</h3><h3></h3>

Step-by-step explanation:

use Pythagorean theorem:

a² + b² = c²

where a = h

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<u>plugin values into the formula:</u>

h² + 4² = 5²

h² = 5² - 4²

x = √9

x = 3

7 0
2 years ago
peter buys 8.5 square feet of carpet. the carpet cost $10.20 cents per square foot. how much does peter pay for the carpet?
Fiesta28 [93]
10.20*8= 81.60
10.20*.5= 5.10
add
81.60+5.10= 86.70
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5 0
3 years ago
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