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Jet001 [13]
3 years ago
7

What is 6y - 12 = -3x in standard form?

Mathematics
1 answer:
lakkis [162]3 years ago
6 0
To get it into standard you need to simplify
6y - 12 = -3x add 12 to both sides
6y = -3x + 12 add 3x to both sides
3x + 6y = 12
And that is in standard which is A + B = C
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8. myles had 103 coins in a jar - all nickels, dimes, and quarters. if the total value of the coins is $15
Ivanshal [37]

If the total value of the coins is $15. The number of each type of coin is: 31 quarters, 72 dimes.

<h3>Number of each type of coin</h3>

Let D = number of dimes

Let Q = the number of quarters

Equations

d + q = 103

0.10d + 0.25q = 15  

d = 103 -q

0.10(103 -q) + 0.25q = 15

10.3 - 0.10q + 0.25q = 15

0.15q = 4.7

q=4.7/0.15

q=31 quarters

Substitute q into second equation

D+31=103

D=72 dimes

Therefore the number of each type of coin is: 31 quarters, 72 dimes.

Learn more number of each coin here:brainly.com/question/13934075

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5 0
2 years ago
Can anyone plz solve this ?? -7 (1+3x) =4+5x
Aleonysh [2.5K]

Step-by-step explanation:

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(get all the variables on one side. Don't forget to change the signs)

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-11 = 26x

(divide both sides by the coefficient [26])

26x/26= -11/26

x = -11/26

3 0
2 years ago
12 is 15% of what?<br> HELP
oksian1 [2.3K]

Answer:

80

Step-by-step explanation

Write down the equation: (15 / 100) * x = 12

Solve for x: x = 12 / (15 / 100)

x = (12 * 100) / 15

or, x = 80

   Hope this helps!

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Video DVDs (ignoring the hole in the middle) have an area of 36π cm^2 The formula to calculate the circumference, C, for a circl
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It's 12π, because √36=6. 6×2= 12 :)
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benny bought 8 new basketball trading cards to add to his collection. There are now only 44 cards left.How many cards did benny
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<span>So the equation: (x+8) divided by 2 =24</span>
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3 years ago
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