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3 years ago

In a classroom, 3/8

Mathematics

1 answer:

AleksAgata [21]3 years ago

7 0

Answer:

9 students

Step-by-step explanation:

There are 9 students wearing blue shirts, and 6 students are wearing white shirts. This means there are 9 students not wearing blue or white shirts.

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What is the mode 13 15 15 11 18 18 11 9 12 10 18 18

ki77a [65]

Answer:

A 18

Step-by-step explanation:

The mode means "The Most". There are more 18's than any other number.

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3 years ago

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If a point c is inside then what is the answer?

Liono4ka [1.6K]

I think it would be C

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3 years ago

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ΔABC has three sides with these lengths: AB = 9, BC = 40, and CA = 41. What is the value of cos C?

kotykmax [81]

Answer:

$cos(C) =\frac{40}{41}\\\\cos(C)=0.976$

Step-by-step explanation:

To find the $cos (C)$ we must use the cosine theorem.

The cosine theorem says that:

$c^2 = a^2 +b^2 -2abcos(C)$

In this case:

$c=AB = 9$

$b=CA = 41$

$a=BC = 40$

$9^2 = 40^2 +41^2 -2(40)*(41)cos(C)$

$9^2- 40^2- 41^2 =-2(40)*(41)cos(C)$

$cos(C) = -\frac{9^2- 40^2- 41^2}{2(40)*(41)}$

$cos(C) =\frac{40}{41}\\\\cos(C)=0.976$

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3 years ago

Jill works 10q hours a day. If she earns $6.50 an hour, how much does she earn a day? Give your answer in terms of q.

kolbaska11 [484]

She earns 65 dollars a day replace q with 6.50

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3 years ago

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R varies inversely as v2 if r=120 when v=1 ,find r when v=10

makvit [3.9K]

<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ r = k/v^2

Substitute the values in:

120 = k/1^2

Multiply both sides by 1^2 to find k

k = 120

Substitute new values in:

r = 120/10^2

Solve:

r = 1.2

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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3 years ago