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Usimov [2.4K]
3 years ago
15

a sample of 144 firecrackers contained 4 duds. how many duds would you expect in a sample of 1584 firecrackers?

Mathematics
1 answer:
Semenov [28]3 years ago
7 0
396 duds in 1,584 fireworks all together. Divide 1,584 by 4.
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Grace is planning on purchasing an Akai Professional MPC5000 drum machine for $2195. She's been pre-approved to finance her purc
Genrish500 [490]

1) Her monthly payment is $40.97 if she finance the total amount

2) She will pay $2458.2 for the MPC5000

3)Her monthly payment will be $26.50 if she pay her saved up money upfront

4) She will pay $2365.4 for the MPC5000

5) Yes, I recommend to pay the $775 upfront . If she pay upfront, then the amount she needs to pay for the MPC5000 is less.

Step-by-step explanation:

The cost of the drum machine is $2195

The APR is 12% over 60 months

1) the APR for 60 months is 12%

So, the APR for 1 month is

12/60 = 0.2%

The interest per month = 0.2% of 2195

= (0.2 x 2195) / 100

= 4.39

The amount to be paid per month is

= monthly amount + interest

= (2195/60) + 4.39

= 36.58 + 4.39

=$ 40.97

2) If she pays $40.97 per month then the total payment (for 60 months) for the drum machine

= 40.97 x 60

= $ 2458.2

3) the total cost is $2195 out of which she pays $775 upfront.

So she have to borrow less .

The amount to be financed is

2195- 775= $1420

The monthly interest is,

(0.2 x 1420) /100 = 2.84

Monthly she have to pay

23.66+ 2.84= $26.50

4) If she pay $775 upfront then the remaining $1420 is financed

Her monthly payment is $26.50

Then for 60 months she will pay,

26.50 x 60= $1590.4

The total amount paid for the drum machine is

775+1590.4 =$2365.4

4 0
2 years ago
7<br>8 change the fractions to decimals. Round to the nearest thousandth​
Strike441 [17]
7/8 into a decimal is 0.875
hope it helps!!
8 0
3 years ago
Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. The height, h(t), in meters (as it
arsen [322]
176 meters

Stefano is at +10 elevation while the hiker is at -166.4 elevation. The difference would be 10 - (-166.4) = 10 + 166.4 = 176.4 or approximately 176 meters
7 0
3 years ago
Read 2 more answers
Dylan has $20 in a savings account. The interest rate is 5% per year and is not compounded. How much interest will he earn in 1
sergeinik [125]
20x0.5 = 10
He will earn 10 per year
8 0
3 years ago
Muffins come in 3 sizes, 4 flavors, and with or without nut toppings. How many combinations are in the sample space?
oksano4ka [1.4K]

Answer:

9 combinations are in the sample space

Step-by-step explanation:

Well there's 3 sizes 4 flavors and with or without nuts

3(Sizes)+ 4(flavors)+ 2(with or without)

Therefor when you add those up you get 9 things people can choose from, known as the sample space.

3 0
2 years ago
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