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Sveta_85 [38]
2 years ago
8

Help me plz plz will mark branliest

Mathematics
1 answer:
Ksenya-84 [330]2 years ago
7 0

Step-by-step explanation:

On the first question, you would want to put the equation together. To find x you will put 2x+6=40. Subtract 6 on both sides and you will find your x value.

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What do you add to 3 4/7 to make 6??
Alla [95]
You'll need to add 2 3/7 to <span> 3 4/7 to make 6. 
3 + 2 = 5 4/7 + 3/7 = 7/7 =1 
5+1=6</span>
6 0
3 years ago
Otis paints the interior of a home for $45 per hour plus $75 for supplies. Shireen paints the interior of a home for $55 per hou
riadik2000 [5.3K]

Step-by-step explanation:

you should only make one equation:

75 + 45x = 30 + 55x

subtract the 30 frim both sides, then subtract 45x from both sides. you are left with:

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Divide by 10 and get:

4.5 = x

After 4.5 hours, the cost is equal for either worker.

8 0
3 years ago
Read 2 more answers
−3(y+5)=15 someone please help me with this question my assignment is already late
AnnyKZ [126]

Answer: -10

Step-by-step explanation:

Simplifying

-3(y + 5) = 15

Reorder the terms:

-3(5 + y) = 15

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(-15 + -3y) = 15

Solving

-15 + -3y = 15

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '15' to each side of the equation.

-15 + 15 + -3y = 15 + 15

Combine like terms: -15 + 15 = 0

0 + -3y = 15 + 15

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Divide each side by '-3'.

y = -10

Simplifying

3 0
2 years ago
What power of 10 can you multiply 0.02 by to get a product of 20? Explain your answer.
viva [34]
10^1 = .2
10^2 = 2.0
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7 0
3 years ago
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omeli [17]
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5 0
3 years ago
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