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Kamila [148]
3 years ago
7

What is 9(m-2) =m+38

Mathematics
1 answer:
Step2247 [10]3 years ago
6 0
9(m-2)=m+38
1. Distribute
9m-18=m+38
2. Add 18
9m=m+38+18
3. Simplify
9m=m+56
4. Subtract m from both sides
8m=56
5. Divide by 8 to both sides
m=7
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Solve 3(x - 2) < 18.
Musya8 [376]
This answer is 290 because when you skip the math you would find the answer
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Change this into decimal step by step plz
nika2105 [10]

Answer:

2.6

Step-by-step explanation:

3/5 ---> ?/100

100/5 ---> 20

3       20         60

--  x           =   -------

5       20         100

60/100 = 6/10

6/10 as a decimal is 0.6

2 + 0.6

= 2.6

<h2>Hope this helps!!</h2>
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What is the surface area of a cylinder that is 5 centimeters high and has a diameter of 1.5 centimeters?
labwork [276]

Answer:

D is the answer.

6 0
3 years ago
(2x +1) -7 (-6x+9) what is the answer if using the Distributive Property?
Margarita [4]

Answer:

Step-by-step explanation:

Distributive property:  a(b +c) = a*b + a*c

(2x + 1) - 7(-6x + 9) = (2x + 1) + (-7)*(-6x) + (-7)*9

                              = 2x + 1 + 42x - 63  {Combine like terms}

                              = 2x + 42x + 1 - 63

                              = 44x - 62

5 0
3 years ago
Flying against the wind, an airplane travels 5760 kilometers in 6 hours. Flying with the wind, the same plane travels 6300 kilom
Aleks [24]
<h2>Speed of plane = 1110 kmph</h2><h2>Speed of wind = 150 kmph</h2>

Step-by-step explanation:

Let the speed of plane be p and speed of wind be w.

Flying against the wind, an airplane travels 5760 kilometers in 6 hours.

Here

            Speed = (p-w) kmph

            Time = 6 hours

            Distance = 5760 kmph

            Distance = Speed x Time

            5760 = (p-w) x 6

               p-w = 960 -----eqn 1  

Flying with the wind, the same plane travels 6300 kilometers in 5 hours.

Here

            Speed = (p+w) kmph

            Time = 5 hours

            Distance = 6300 kmph

            Distance = Speed x Time

            6300 = (p+w) x 5

               p+w = 1260 -----eqn 2    

eqn 1 + eqn 2

                p-w + p +w =  960 + 1260

                  2p = 2220

                    p = 1110 kmph

Substituting in eqn 2

                1110 + w = 1260

                         w = 150 kmph

Speed of plane = 1110 kmph

Speed of wind = 150 kmph

5 0
3 years ago
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