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andrew-mc [135]
2 years ago
9

Twelve of the 30 students in the class are boys. what is the ratio of boys to girls in the class

Mathematics
2 answers:
SVETLANKA909090 [29]2 years ago
5 0

Answer:

3:5 girls to boys I think is the ratio

Flura [38]2 years ago
3 0

Answer:

Attached below

Step-by-step explanation:

Boys to girls

12 to 18 or 12:18

4 to 6 or 4:6

\frac{12}{18} = \frac{4}{6}

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STatiana [176]

ANSWER: x=5/3, -1. Good luck. Hope this suffices.

Explanation for x=-1: |9x-3|=12. Lets take the absolute value brackets away for a sec. Add 3 to both sides 9x-3+3=-12+3, simplify: 9x=-9, divide both sides by nine:9x/9=-9/9. And that means that x=-1.

Explanation for x=5/3: |9x-3|=12. Add 3. 9x-3+3=12+3. Simplify: 9x=15. Divide both sides by 9. 9x/9=15/9. Simplify: x=5/3

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2 years ago
What is the surface area of the prism?
Karo-lina-s [1.5K]
The answer would be:

C. 144in2

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4 0
3 years ago
Kaylib’s eye-level height is 48 ft above sea level, and addison’s eye-level height is 85 and one-third ft above sea level. how m
GalinKa [24]

The addison see to the horizon at 2 root 2mi.

We have given that,Kaylib’s eye-level height is 48 ft above sea level, and addison’s eye-level height is 85 and one-third ft above sea level.

We have to find the how much farther can addison see to the horizon

<h3>Which equation we get from the given condition?</h3>

d=\sqrt{\frac{3h}{2} }

Where, we have

d- the distance they can see in thousands

h- their eye-level height in feet

For Kaylib

d=\sqrt{\frac{3\times 48}{2} }\\\\d=\sqrt{{3(24)} }\\\\\\d=\sqrt{72}\\\\d=\sqrt{36\times 2}\\\\\\d=6\sqrt{2}....(1)

For Addison h=85(1/3)

d=\sqrt{\frac{3\times 85\frac{1}{3} }{2} }\\d\sqrt{\frac{256}{2} } \\d=\sqrt{128} \\d=8\sqrt{2} .....(2)

Subtracting both distances we get

8\sqrt{2}-6\sqrt{2}  =2\sqrt{2}

Therefore, the addison see to the horizon at 2 root 2mi.

To learn more about the eye level visit:

brainly.com/question/1392973

5 0
2 years ago
Given AD || GJ. Refer to the figure and provide an appropriate name for BCF and GHF.
kherson [118]

Answer:

C. Corresponding angles

Step-by-step explanation:

Corresponding angles are angles formed by a transversal on the same side of the transversal and on the same side of each parallel lines.

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3 years ago
Hector entered a 3-day bike race. He traveled 20t miles on the first day, 15(t+6) miles the second day, and 25(t-3) miles the th
madreJ [45]
20t +15t+90+25t-75=60t+15
60t+15/3=20t+5 as the average
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3 years ago
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