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kaheart [24]
3 years ago
6

average age of 15 students of iub 11years if teacher is also included average age becomes 13 years how old is teachers

Mathematics
1 answer:
Yuki888 [10]3 years ago
3 0

Answer: the teacher is 43

Step-by-step explanation: if you take 11 and multiply it by 15 you get 165 if you take 208 and divide it by 16 you get 13.

so basically you subtract 208 from 165 to get 43

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A 30cm ruler sometimes measures inches on the other side.
Alisiya [41]

1inch = 2.5cm

∆ 30cm

<h3>1inch x 30cm \2.5cm =? </h3>

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4 0
2 years ago
Devaughn is 15 years younger than sydney. the sun of their ages is 63. what is sydney’s age?
klasskru [66]

Answer:

39

Step-by-step explanation:

d = s - 15

d + s = 63

Replace d with s - 15

s - 15 + s = 63

2s -15 = 63

2s = 78

s = 39

5 0
2 years ago
The measures of 13 angles of a 14-gon add up to 2014. Find the fourteenth angle measure
lisabon 2012 [21]

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154.92

Step-by-step explanation:

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8 0
3 years ago
There are five questions listed below. Each question includes the quantity 43. Match the 43 in each question on the left to
stellarik [79]

Answer:

Step-by-step explanation:

What number is 15% of 43?

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43% of 300 is what number?

129

12% of what number is 43?

359

43 is what percent of 106?

40.6% or 41% when rounded

What percent of 43 is 6?

14%

3 0
3 years ago
9) Solve for w:<br> W +12<br> 2w
Kazeer [188]

Answer:

w = 26

Step-by-step explanation:

set up an equation; since this is a right angle, it equals 90 degrees

90 = w + 12 + 2w

90 - 12 = w + 2w

78 = 3w

78/3

w = 26

8 0
3 years ago
Read 2 more answers
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