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Alenkasestr [34]
2 years ago
5

100 POINTS FOR THE CORRECT ANSWER

Mathematics
1 answer:
777dan777 [17]2 years ago
6 0

Answer:

I hope this helped. Look throught the pictures

Step-by-step explanation:

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Which statement is true about the measures of the interior angles of a triangle?
stellarik [79]

Answer:

B

Step-by-step explanation:

4 0
2 years ago
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A long distance runner does a first lap around a track in exactly 50 seconds.As she tires.Each subsequent lap takes 20% longer t
madreJ [45]

Answer:

182 seconds

Step-by-step explanation:

Given:

Time taken for first lap is 50 seconds and each subsequent lap takes 20% longer than previous

Solution:

Time taken for first lap = 50 sec

For second lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 50 sec

second lap = 50 + 20% of 50

second lap =50+(\frac{20}{100}\times 50)

second lap = 50 + 10

second lap = 60\ sec

For third lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 60 sec

Third lap = 60 + 20% of 60

Third\ lap = 60 + (\frac{20}{100}\times 60)

Third\ lap = 60+2\times 6

Third\ lap = 60+12

Third\ lap = 72\ sec

Time taken for 3 laps is equal to sum of all three laps time.

Tiem\ taken\ for\ 3\ lap = 50+60+72

Tiem\ taken\ for\ 3\ lap = 182\ sec

Therefore, it takes 182 seconds (3 min, 2 seconds) to run three laps

6 0
3 years ago
60°<br> (4x – 20)<br> Choose 1 answer:
Gemiola [76]

Answer:

x=20

Step-by-step explanation:

x=20 because 4×20=80

and 80-20= 60

7 0
3 years ago
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Find the 3rd term in the expansion of (a+b)^8 in simplest form.
Art [367]

Answer:

The fifth term is the middle term of nine, with coefficient given by all the ways of choosing  4  items out of  8 , namely the ways of choosing  4   a 's out of  8  binomial factors.

Step-by-step explanation:

4 0
3 years ago
Put integers in least to greatest 49, 63, -47, -13, -21,9,69,6
DENIUS [597]
-47,-21,-13,6,9,49,63,69 I think is the answer
5 0
3 years ago
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