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Tema [17]
3 years ago
7

-10+3m+5 can someone please help me do two step equations

Mathematics
1 answer:
Orlov [11]3 years ago
5 0

Answer:

3m-5

Step-by-step explanation:

combine like terms

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Answer:

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2 years ago
Ray divides ∠COA into two angles of what measure?<br> 20<br> 30<br> 40<br> 35
Vanyuwa [196]
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5 0
3 years ago
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I need to know what is the m&lt; DBC?
Artist 52 [7]

Answer:

120

Step-by-step explanation:

The sum of the angles is 180 since it forms a straight line

2x+ x+90 = 180

Combine like terms

3x +90=180

Subtract 90 from each side

3x+90-90=180-90

3x= 90

Divide each side by 3

3x/3 = 90/3

x = 30

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5 0
3 years ago
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Two ships have a harbor entrance at the same time. The first ship is traveling at a constant 16 mph, while the second is traveli
stepan [7]
So hmm check the picture below

both ships leave at the same time, one is going 16mph, the other 20mph, 2hrs later on the road

at 16mph well, 2hrs is just 16+16, or 32 miles away
20mph for 2hrs, is 20+20, or 40 miles away

using the law of cosines  \bf x = \sqrt{{{ 32}}^2+{{ 40}}^2-2(32)(40)cos(169^o)}

again, recall, the angle is in degrees, so, when taking the cosine, make sure your calculator is in Degree mode

5 0
3 years ago
Solve and reduce to lowest term 7/13+3/13
Anit [1.1K]

Answer:

Step-by-step explanation:

10/13

8 0
2 years ago
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