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vlada-n [284]
3 years ago
11

Solve for v -3+2v=-7

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
6 0

Answer:

therefore the value of V=-6

ANTONII [103]3 years ago
3 0

Answer:

-4/3

Step-by-step explanation:

- 3 + 2v = -7

=> 2v = -7 + 3

=> 2v = -4

=> v = -4/2

=> v = -2

Hope it helps :)

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Step-by-step explanation:

From the close eye, this seems to me the best and most factual answer to be found!! Goodluck with your quiz!

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Tammy has 35 coins nickels and quarters. In all she has $4.15. How many of each kind of coin does she have
sergey [27]

The currency called the U.S dollar can be split into smaller forms or currency value of itself. Examples of these smaller forms are: <u><em>dimes, nickels, pennies, and quarters.</em></u>

Tammy has 23 nickels and 12 quarters.

Let's represent the number of:

Nickels = n

Quarters = q

It is important to note that the value of:

<em>1 nickel = $0.05</em>

<em>1 quarter = $0.25</em>

<em />

Tammy has 35 coins nickels and quarters. This statement can be represented using an algebraic equation below:

n + q = 35

This can be rewritten as :

n = 35 - q

In all, she has $4.15. This statement can be represented using an algebraic equation below:

0.05n + 0.25q = 4.15

We substitute 35 - q for n in the above equation.

0.05(35 - q) + 0.25q = 4.15

1.75 - 0.05q + 0.25q = 4.15

Collect like terms

- 0.05q + 0.25q = 4.15 - 1.75

0.2q = 2.4

Divide both sides by 0.2

0.2q/0.2 = 2.4/0.2

q = 12

Therefore, the number of quarters Tammy has is 12.

Solving for the number of nickels, we have the equation:

n = 35 - q

n = 35 - 12

n = 23

Therefore, the number of nickels Tammy has is 23.

To learn more, visit the link below:

brainly.com/question/13312288

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3 years ago
What are 25 equations using integers that equal 36?
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Wind can cause air to move at speeds up to 130 meters per second. At that rate, how long would it take air to travel 5,850 meter
anygoal [31]
I believe that it would take 45 seconds 
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