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galben [10]
2 years ago
13

Plz help I’ll give Brainliest!!!! URGENT PLZ HURRY!!!!

Mathematics
2 answers:
soldier1979 [14.2K]2 years ago
5 0

Answer:

y= 4 , -4

Step-by-step explanation:

hope i helped

Sedbober [7]2 years ago
3 0
To make it easier add 144 to both sides and you will get 144 + 3^2y =12^2y then subtract 3^2y from both sides. You would then get 144 =144y and then you divide 144 from both sides and the answer would be 1
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Maggie’s brother is three years younger than twice her age. The sum of their ages is 24. How old is maggie?
JulsSmile [24]

To solve this problem, we must set up a system of equations. In this case, let's let Maggie's age be represented by the variable m and her brother's age be represented by the variable b. We are told that the sum of their ages is 24, which gives us our first equation: m + b = 24. We can construct our next equation from the first sentence of given information: b = 2m - 3. This makes our system of equations:

m + b = 24

b = 2m - 3

To solve, we are going to substitute the value for b in terms of m given by the second equation into the first equation for the variable b.

m + b = 24

m + 2m - 3 = 24

To simplify, we must first combine the variable terms on the left side of the equation using addition.

3m - 3 = 24

Next, we should add 3 to both sides of the equation to get the variable term alone on the left side of the equation.

3m = 27

Finally, we should divide both sides by 3 in order to get the variable m alone.

m = 9

Therefore, Maggie is 9 years old (using the first equation and substituting in this value you can find that her brother is 15 years old).

Hope this helps!

8 0
3 years ago
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Does anybody know the answer?
soldi70 [24.7K]

Answer:

tha answer to the question is B. 2

7 0
3 years ago
Think About the Process
mina [271]

Answer:

a

Step-by-step explanation:

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A shortage of gold causes the price of gold wire to increase by 140%. If 10 feet of gold wire previously cost $50, what is the n
Marianna [84]
The increase in price is 140% of the original price.
The original price was 100% of the original price since 100% is a whole quantity.
Now the new price is 140% more than it was, so the new price is
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Now we find 240% of $50.
To find a percent of a number, multiply the percent by the number.

240% of $50 =
= 240% * $50
= 2.4 * $50
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Answer: 10 ft of gold wire now costs $120
Gold wire now costs $12 per foot.
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wolverine [178]

Answer: 96.9

Step-by-step explanation:

666

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2 years ago
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