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velikii [3]
3 years ago
6

Solve for m. 3-2(9+ 2m) = m m What does m equal?

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

m=-3

Step-by-step explanation:

first multiply every thing out

3-18-4m=m

simplify

-15-4m=m

get all m's on one side

-15=5m

divide both sides by 5 to isolate m

-3=m

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Hello, please help me i dont know what 2 do
babymother [125]

Answer:

Greater than

Step-by-step explanation:

you are adding exponent with the same denominator if its easier for you in this example you can set the denominator equal to 10.

Sum= adding

2/5 +4/5 =6/5 or 1 1/5

if you want to do it with the denominator equal to 10 just multiply each side by 2.

(2/5 +4/5)x 2

4/10 + 8/10 = 12/10

3 0
2 years ago
Read 2 more answers
Complete the equation <br> 9/4= ? ÷ by 4
Stells [14]

Answer:

9

Step-by-step explanation:

9/4 can be said as "9 divided by 4", so the ? is 9.

8 0
3 years ago
Two trains going in opposite directions leave at the same time. Train B travels 30 mph faster than train A. In 3 hours the train
insens350 [35]
Using the magic of algebra!:

The time each train goes in 1 hour will be represented as a / b.
b is 30 more than a, so if we add 30 to a it should equal b.
a + 30 = b
In three hours, the trains are 330 miles apart.
Esentially, we're adding up the distance each train goes from the starting point to find the distance between them.
3b + 3a = 330
Now we have a system of equations to solve.
a + 30 = b
3b + 3a = 330
We want to get the variables on seperate sides of the equation for easy solving.
a + 30 = b
3b = 330 - 3a
Then get the value of the one variable the same so we can use the transitive property.
a + 30 = b
b = 110 - a

a + 30 = 110 - a
2a + 30 = 110
2a = 80
a = 40 
mph

(And thus b = 70 mph)
6 0
3 years ago
Whats 534×24 please help me 30 points
alexandr402 [8]
Your answer would be
12816
3 0
4 years ago
At the banquet 450 people had chicken and 150 had pasta. What percent of people has pasta?
Liono4ka [1.6K]

25 percent of people had pasta.

First add 450 and 150 (which equals 600)

Next divide 600 by 150 (which equals 4)

Which means 150 is a fourth of six hundred, and a fourth is 25 percent.

Which leads to my answer of 25 percent

5 0
3 years ago
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