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Lesechka [4]
3 years ago
14

Darnell has $1.20 in quarters and nickels. He has 8 coins altogether. How many coins of each kind does he have?

Mathematics
2 answers:
dexar [7]3 years ago
8 0

Answer:

4 quarters

4 nickels

Step-by-step explanation:

Romashka [77]3 years ago
5 0
4 quarters 4 nickels
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If you invested $600 at 3% simple interest for 2 years, how much interest do you earn? Show work and answer in complete sentence
zzz [600]

Answer:

I would rather do the second option of which uses Compound interest that will give a profit of $47.85

Step-by-step explanation:

In this problem we will be exploring the two formulas

1. simple interest

A= P(1+r*t)

2. compound interest

A= P(1+r/n)^nt

Where A= final amount

P= initial amount

r= rate

t= time.

n= number of periods Compounded

1.given data

P= $600

r= 3%= 3/100= 0.03

t= 2 years

A= 600(1+0.03*2)

A= 600(1+0.06)

A= 600(1.06)

A= $636

Interest = 636-600= $36

2. Given data

P= $600

r= 4%= 4/100= 0.04

n= 24

t= 2

A= 600(1+0.04/24)^24*2

A=600(1+0.0016)^48

A=600(1.0016)^48

A= 600*1.07975

A= 647.85

Interest = 647.85-600= $47.85

7 0
3 years ago
Which equation represents a nonlinear function?
tensa zangetsu [6.8K]

Answer:

y = x^2 + 3/4

Step-by-step explanation:

If an equation has an exponent, it is nonlinear.

<u><em>Hope this helps!</em></u>

4 0
2 years ago
Solve for y. <br> y – (-5) = -7 <br><br> y = 2 <br> y = -12 <br> y = -2 <br> y = 12
s2008m [1.1K]
Y - (-5) = -7
y + 5 = -7
y = -7 - 5
y = - 12 <==
3 0
3 years ago
Read 2 more answers
How many solutions does the equation 4q + 8 = 6 + 2 + 4q have?
Ugo [173]
4q-4q=8-8
0=0
None.
It doesnt has solutions
8 0
4 years ago
Read 2 more answers
Okay so imugwy and wat is 100*3/6
jonny [76]

Answer:

what is your questions mate I mm didn't understand ¯\_(ツ)_/¯

Step-by-step explanation:

,When a percent amount is multiplied to another number, the operation produces a value that equals the given percent of the original number. ... Multiplying a number by 100 percent is a just variation of the multiplicative identity and will result in the value being unchanged.

4 0
3 years ago
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