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Semenov [28]
3 years ago
6

Do this yaayayyayaya brainliest for all thanks so much!!

Mathematics
1 answer:
Ugo [173]3 years ago
3 0

Answer: -5 - (-10 )= 5

Step-by-step explanation:

 The arrows on the number line stops at -5 and -10 so you subtract -5 minus -10 and get your anwser 5

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Olk-onm <br> Find the value of u.
damaskus [11]

Answer:

olk 69 -_-

Step-by-step explanation:

5 0
3 years ago
Ninety-three passengers rode in a train from City A to City B. Tickets for regular coach seats cost $115. Tickets for sleeper ca
masya89 [10]
To solve this, we must set up a Systems of Equations problem 
Let's say C stands for Coach seats bought and S stands for sleeper cars bought
Here are our equations we have enough information to make. 
c + s = 93 
115c + 290s = $20,320 
Lets solve for Coach seats first 
To do that we need a value for s 
In the first equation, s = 93 - c
Lets plug that in for S in the second equation 
115c + 290(93 - c) = $20,320 
Distribute and simplify 
115c + 26,970 - 290c = $20,320 
Combine like terms 
-175c + 26,970 = $20,320 
-175c = -6650
divide 
c = \frac{-6650}{-175}
c = 38
We just found out 38 coach seats were bought. 
Plug in 38 for C in this equation ⇒ 115c + 290s = $20,320 to find S
115(38) + 290s = $20,320 
Distribute and Simplify 
4,370 + 290s = $20,320 
290s = $15,950 
Divide 
S = \frac{15950}{290}
S = 55
We just completed the problem!
38 Coach seats were bought and 
55 Sleeper car seats were bought. 
5 0
2 years ago
I need help solving this problem pls!!!
Arlecino [84]

Answer:

74.33

Step-by-step explanation:

We need to figure out the surface area. The formula for surface area is A=2πrh+2πr2

We substitute r with the radius of this cylinder and the h represents the height of this cylinder. The height we can find because we just add the diameters of the tennis balls. So 2.6*3 = 7.8. Then we get the radius, which will just be the radius of a sphere, so 1.3. Then we plug them into the formula, giving us 74.33

3 0
2 years ago
Write an equivalent expression for 3x+12+7x+x
Anit [1.1K]
<span><span><span><span>3x</span>+12</span>+<span>7x</span></span>+x</span>Combine Like Terms:<span>=<span><span><span><span>3x</span>+12</span>+<span>7x</span></span>+x</span></span><span>=<span><span>(<span><span><span>3x</span>+<span>7x</span></span>+x</span>)</span>+<span>(12)</span></span></span><span>=<span><span>11x</span>+12</span></span>Answer:<span>=<span><span>11x</span>+<span>12</span></span></span>
5 0
3 years ago
What is 0.000084 sceincetific notation help me out and can u explain how to get the answer​
Kaylis [27]

Answer:

.84 x 10 ^4

Step-by-step explanation:

hope this helps!!!

i just got done with these, please mark brainliest

6 0
3 years ago
Read 2 more answers
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