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Papessa [141]
3 years ago
6

What is the percent increase when 7,200 increases by 1,800?

Mathematics
1 answer:
marusya05 [52]3 years ago
7 0
The answer is 25 percent
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Cristine's middle school has a total of 900 students and 45 teachers. The local high school has 110 teachers and a student-teach
Luba_88 [7]

900/45 = 20

so ratio of middle school students and teachers: 900:45 = 20:1

if high school student-teacher ratio as middle school then

x/110 = 20/1

so x = 110 * 20 = 2200

answer is C) 2200

3 0
3 years ago
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What is the volume of this triangular pyramid?
Vaselesa [24]

Answer:

1560 cubic inches

Step-by-step explanation:

18x20= 360

360x13= 4680

4680/3=1560

8 0
3 years ago
The number of cats increased from 1650650 to 2250015. What is the percentage change to the nearest tenth?
Luden [163]
First you have to subtract 2250015 by 1650650 and the answer is 599365

The you add 2250015 to 1650650 and the answer is 3900665 so you divide

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And to the nearest ten is 517.3 because 2 is below five to round up

Final answer— 517.3

Hope this helps
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×=y/3-z/3+3 thats the x value in this equation
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Factoring Trinomals (a=1)<br>b^2 + 8b + 7
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