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allsm [11]
3 years ago
8

OK yall i need help with this.I honestly hate geometry.Seriously.I need good student with good explanation skills.Ill mark brain

lest and up my points!​

Mathematics
1 answer:
jonny [76]3 years ago
3 0

Answer:

Step-by-step explanation:

In parallelogram, opposite sides are parallel and equal

3x + 7 = 5x -17  

3x - 5x = -17 - 7

-2x = - 24

x = -24 /-2

x = 12        

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If you answer this you will get 69 points but please answer asap
spin [16.1K]

Answer:

I think the answer for the first one is 3 I am not sure about the second one

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3 years ago
When Cullen cleaned behind his dresser, he found 73 cents, all in nickels and pennies. There were 25 coins. How many were nickel
Georgia [21]
Let n = number of nickels, and p = number of pennies.
The number of coins is 25, so we get this equation.
n + p = 25

The value of the coins is 0.05 per nickel, and 0.01 per penny.
0.05n + 0.01p = 0.73

Now you have a system of equations.

n + p = 25
0.05n + 0.01p = 0.73

Solve the first equation for n:
n = 25 - p

Now substitute into the second equation.

0.05(25 - p) + 0.01p = 0.73

1.25 - 0.05p + 0.01p = 0.73

-0.04p = -0.52

p = 13

There were 13 pennies.
Now we substitute 13 for p in n + p = 25 to find out the number of nickels.

n + 13 = 25
n = 12

There are 13 pennies and 12 nickels.

Check: 13 pennies and 12 nickels does total 25 coins.
13 * 0.01 + 12 * 0.05 = 0.13 + 0.60 = 0.73
The value is $0.73.
Our answer is correct.
5 0
3 years ago
how many ninths does it take to make the same amount as 1/3.Explain your answer in words and pictures
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The answers is 3/9 which you can check by reducing.  It reduces to 1/3.  Basically you go 1/3 = x/9 then cross multiple to get 9=3x do the division so 3x/3 and 9/3 and you get 3/9.
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No the 6 times 8 is 48 and the 9 times 12 is 108
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18/3 = 6
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3 years ago
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