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stira [4]
3 years ago
5

Y=2x+10 find y if x = -2

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0
Y=2(-2)+10
Y=-4+10
Y=6
Alexxandr [17]3 years ago
4 0

Answer:

the answer will be y = 6

hope this helps :)

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Kevin and Randy Muise have a jar containing 32 ​coins, all of which are either quarters or nickels. The total value of the coins
givi [52]

Answer:

19 quarters and 13 nickles

Step-by-step explanation:

You have 32 coins in your pocket consisting of nickels and quarters with a total value of $5.40

How many nickels and quarters do you have?

Step 1: Setup Coin Value and Coin Total Equation:

Coin Value Equation → 0.05n + 0.25q = $5.40 where n = nickels and q = quarters

Coin Total Equation → n + q = 32

Step 2: Rearrange Coin Total Equation in terms of nickels (n)

n = 32 - q ← Revised Coin Total Equation

Step 3: Plug in our Revised Coin Total Equation for n into our Coin Value Equation:

0.05(32 - q) + 0.25q = $5.40

0.05(32) - 0.05(q) + 0.25q = $5.40

1.6 - 0.05q + 0.25q = $5.40

1.6 + (0.25 - 0.05)q = $5.40

1.6 + 0.2q = $5.40

Step 4: Subtract 1.6 from each side of the equation to isolate q

1.6 - 1.6 + 0.2q = $5.40 - 1.6

0.2q = 3.8

Step 5: Divide each side of the equation by 0.2 to isolate q

0.2q

0.2

=

3.8

0.2

q = 19

Step 6: Using our value for q, Solve for n using our Coin Total Equation:

n + 19 = 32

Subtracting 19 from both sides, we get n + 19 - 19 = 32 - 19

n = 13

Summarizing our word problem, we see that 19 quarters and 13 nickels adds up to $5.40

8 0
2 years ago
-2x - 4 = -2x - x pls help
Natali5045456 [20]
4 is the correct answer
4 0
2 years ago
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What is the measure of ABC <br> A. 63<br> B. 126<br> C. 44<br> D. 82
sdas [7]
The correct answe is D.82
6 0
2 years ago
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elena-14-01-66 [18.8K]

Answer:

37

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2959


Step-by-step explanation:


5 0
3 years ago
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an investment of ​$101 comma 000 was made by a business club. the investment was split into three parts and lasted for one year.
GaryK [48]

Answer:

unknown

Step-by-step explanation:

I am sorry but part of your question is missing

3 0
3 years ago
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