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3 years ago

3. Damien paints 1/5 of a room in 5/12 hours what unit rate describes this situation

Mathematics

1 answer:

sdas [7]3 years ago

7 0

Answer:

It takes 2 1/2 hours to paint each room.

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What are the factors of

Mkey [24]

Answer:

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Step-by-step explanation:

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3 years ago

Which proportion could be used to determine if the figures could represent a dilation?

nikdorinn [45]

Answer:

The answer will be A 3/2=6/4

Step-by-step explanation:

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2 years ago

HELP: Of 580 students in a high school graduating class 45% are planning to go to college. How many of the graduates are plannin

Rina8888 [55]

Answer:

261 of the graduates are planning to go to college.

Step-by-step explanation:

This is a proportion question.

x 45

___ = ___

580 100

First do 45 x 580 = 26,100

Then divide by 100 to get 261.

6 0

2 years ago

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Yakvenalex [24]

Here is the answer
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3 0

3 years ago

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The law of Cosines Is......

iogann1982 [59]

Answer: $\Large\boxed{C.~21}$

Step-by-step explanation:

The goal of the question

Find the value of 2abcosC

Given information

a = 4

b = 3

c = 2

Given formula (Law of Cosine)

$c^2=a^2+b^2-2abcosC$

Substitute values into the formula (Leave 2abcosC as it is)

$(2)^2=(4)^2+(3)^2-2abcosC$

Simplify the exponents

$4=16+9-2abcosC$

Simplify by addition

$4=25-2abcosC$

Add 2abcosC on both sides

$4+2abcosC=25-2abcosC+2abcosC$

$4+2abcosC=25$

Subtract 4 on both sides

$4 + 2abcosC-4=25-4$

$\Large\boxed{2abcosC=21}$

Hope this helps!! :)

Please let me know if you have any questions

5 0

1 year ago

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