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m_a_m_a [10]
3 years ago
15

7. Simplify the expression by combining “like” terms: 5x + 4y - 2x + 8y

Mathematics
1 answer:
emmainna [20.7K]3 years ago
3 0
It’s 3x+12y I believe
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An electric car makes 3,000 revolutions per minute, How many degrees does it rotate in a second?
ruslelena [56]

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It rotates 50 times a second

Step-by-step explanation:

There is 60 seconds in a minute,so all you have to do is Divide 30,000 by 60 and you get 50!

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How do you do inequality problems
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3 years ago
The number of grades in an angle of a regular polygon is greater than the number of degrees in it by 12.Find the number of sides
Dennis_Churaev [7]

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3 0
3 years ago
Read 2 more answers
If Q = 44°<br> then m ST = ______ degrees<br> R = _____ degrees
melomori [17]

Basically, Q is an angle. An angle has an initial side and a terminal side. The initial side is QS, The terminal side is QT. The initial side and the terminal side both intersect the circle. The initial side intersects the circle at point S. The terminal side intersects the circle at point T. This forms arc TS.
<span>Angle Q is what is known as an inscribed angle. Anytime you have an inscribed angle, it will always cut across some arc. The measure of that angle will always be 1/2 the measure of the arc.
</span><span>We're given that angle Q = 44 degrees. This means that the measure of arc TS will be twice the measure of angle Q.
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angle(q)=angle(r) so ans =44

3 0
3 years ago
There is a number between 100 and 115, such that if you find the sum of the cubes of the digits, subtract this sum from 99, divi
balandron [24]
114

1^3 + 1^3 + 4^3 = 1 + 1 + 64 = 66
99 - 66 = 33
33/3 = 11
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I am not sure of the exact way to solve this....I just did it by trial and error
7 0
3 years ago
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