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pentagon [3]
3 years ago
12

What do heating systems cooling systems and heat engines have in common

Mathematics
1 answer:
Lunna [17]3 years ago
5 0

Answer:

is D

Step-by-step explanation:

for egny

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The measure of angle ABD is 105º. The measure of angle ABC is 75º.
MakcuM [25]

If we know that the WHOLE angle added is 105 and only part is 75 you need to subtract the whole angle and subtract from part of the whole angle.

105-75=30. You get 30 And that’s you answer!

Picture to help with your understanding.

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3 years ago
A right rectangular prism is 101/2 m wide, 15 1/2 m long and 3 m tall
gizmo_the_mogwai [7]

Answer:

2348.25 m or 2348 1/4

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101/2 x 15 1/2 x 3 = 2348.25

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2 years ago
Ill do brainliest plsss help its a unit test due in 10 minutes
Fofino [41]

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18

Step-by-step explanation:

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Mason answers a question correctly in a trivia game and now has 0 points. The question was worth
zhannawk [14.2K]

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Mason recieved 15 points for answering the question correctly so that means that he had -15 points before. The points would be at -15 and 0.

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3 years ago
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FOR MANY POINTSish
dangina [55]

x will represent the first unknow number

6x will represent the second number

the two numbers together will equal 21

6x + x = 21  combine like terms

7x =21  divide both sides by 7

x =3


Hope that helps.

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3 years ago
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