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Talja [164]
3 years ago
10

I especially need help in the formula and how to set these up, thank you.

Mathematics
1 answer:
Eddi Din [679]3 years ago
6 0
8 • 8 = 64%

400 • 64% = 256
400 - 256 = 144

Reece’s initial deposit was $144.
—————
#2 Is weird due to the fact that it declined but we will solve it anyways.

$66 lost after 11 years.

66 / 11 = $6 lost per year

6 • 100 / 550 = -1.09% negative simple interest rate per year.
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Answer:

1/8

Step-by-step explanation:

3/4 x 1/6=1/8

8 0
3 years ago
I need help with the slope of this line.​
GrogVix [38]
The slope is 0.




The formula to find the slope is y2-y1 over x2-x1. If you plug in your numbers, you should have 5-5 over 9-10. Subtract this and you will get your slope!
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Find the slope of the LM on the graph​
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7 0
2 years ago
Sara needs of a yard of ribbon to make a bow. She has 10 yards of ribbon. How many bows can she make? is the answer 20 30 40 or
liberstina [14]

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7 0
4 years ago
Read 2 more answers
You have 17 coins in pennies, nickels, and dimes in your pocket. The value of the coins is $0.47. There are four times the numbe
Anettt [7]
<span><em>12 pennies, 3 nickles, and 2 dimes</em>

p = number of pennies
n = number of nickles
d = number of dimes
p(1) + n(5) + d(10) = 47
that is, the number of pennies x 1 cent + number nickles x 5 cents
+ number of dimes x ten cents equals 47 cents
p = 4n
p + n + d = 17 
Substituting 4n for p in the above
4n + n + d = 17
5n + d = 17
Subtract 5n from each side
d = 17 - 5n
We will now substitute 4n for p and ( 17-5n ) for d in
the equation
p(1) + n(5) + d(10) = 47 
4n(1) +n(5) + (17-5n)(10) = 47

9n + 170 - 50n = 47
-41n + 170 = 47
Subtract 170 from each side
-41n = 47 - 170
-41n = -123
Divide each side by -41
n = 3
Since p = 4n
p = 4(3)
p = 12
Since p + n + d = 17
12 + 3 + d = 17
15 + d = 17
d = 2
So we have 12 pennies, 3 nickles and 2 dimes
12 + 3(5) + 2(10) ?= 47
12 + 15 + 20 ?= 47</span>
3 0
3 years ago
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