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marshall27 [118]
3 years ago
15

Name a pair of adjacent angles.

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
3 0

Answer:

Angle ACB And Angle ECD

Step-by-step explanation:

oksano4ka [1.4K]3 years ago
3 0
Angle ACE and angle BCD
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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
If f (x) = 6x - 6, find f(-1).
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Step-by-step explanation:

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3 years ago
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How do I solve 34-5x+2(x-2)=15
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x=5
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According to the diagram, an 8-foot-tall statue casts a shadow on the ground that is 15 feet in length. Based on this informatio
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3 years ago
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5x^2-(3xy-7x^2)+(5xy-12x^2)<br> When x=-0.25, and y=4
prohojiy [21]

5x^2-(3xy-7x^2)+(5xy-12x^2)=5x^2-3xy+7x^2+5xy-12x^2=2xy\\\\ 2\cdot(-0.25)\cdot4=-2

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