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yaroslaw [1]
3 years ago
5

Are these right please help bc I’m on my last attempt.

Mathematics
1 answer:
likoan [24]3 years ago
4 0
I calculated and got 314.16
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You are going to buy a new car worth $25,800. The dealer computes your monthly payment to be $509.55 for 60 months of financing.
Vanyuwa [196]

Answer:

  6.9%

Step-by-step explanation:

Interest rate is the one variable in an amortization formula that cannot be determined explicitly. An iterative solution is required, which means the computation must be done by a calculator, spreadsheet, or web site.

My TI-84 TVM Solver tells me that for the given loan amount and payment schedule, the APR is about 6.9%.

7 0
3 years ago
Dubnium-262 has a half-life of 34 s. How long will it take for 500.0 grams to
dmitriy555 [2]

Answer:

the time taken for the radioactive element to decay to 1 g is 304.8 s.

Step-by-step explanation:

Given;

half-life of the given Dubnium = 34 s

initial mass of the given Dubnium, m₀ = 500 grams

final mass of the element, mf = 1 g

The time taken for the radioactive element to decay to its final mass is calculated as follows;

1 = 500 (0.5)^{\frac{t}{34}} \\\\\frac{1}{500} =  (0.5)^{\frac{t}{34}}\\\\log(\frac{1}{500}) = log [(0.5)^{\frac{t}{34}}]\\\\log(\frac{1}{500})  = \frac{t}{34} log(0.5)\\\\-2.699 = \frac{t}{34} (-0.301)\\\\t = \frac{2.699 \times 34}{0.301} \\\\t = 304.8 \ s

Therefore, the time taken for the radioactive element to decay to 1 g is 304.8 s.

4 0
2 years ago
I don't know how to do anything. I basically need help with everything
lutik1710 [3]
Okay,

Radius, is half of the diameter.
Diameter, is the line that splits the circle in half.

1). R=50 D=100
2). R=10 D=20
3). R=5   D=10
4). R=29 D=58
5). R=11 D=22
6). R=31.5 D=63
7). R=45 D=90
8). R=7   D=14
9). R=49 D=98

 
5 0
3 years ago
Read 2 more answers
284,792 round to the place value of the underlined digit. Eight being in the ten thousand place value.
Yakvenalex [24]
The answer 280,000 because 4 is closer to 0
6 0
3 years ago
How do you calculate the midpoint of question e)? I am very desperate. please help
andrey2020 [161]

Answer:

(-1,-1)

Step-by-step explanation:

Midpoint equation: (\frac{x_2+x_1}{2}, \frac{y_2+y_1}{2})

= (\frac{-5/2+1/2}{2},\frac{-1/2-3/2}{2} )

= (\frac{-2}{2},\frac{-2}{2})

=(-1,-1)

Use the formula and plug it in :)

7 0
3 years ago
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