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Crazy boy [7]
3 years ago
8

A brand new car is $22,000 and its value depreciates 7% each year. How many years will it take for your car to be $10,000? Round

to the nearest tenth.
Mathematics
1 answer:
Elan Coil [88]3 years ago
4 0

.200 because 22,000 % by 7 is 1540 which you divide by 10,000

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I need help on Part B and C on question 2
kap26 [50]

Answer:

The answer to your question is

Part A. Archimedes grades 6 1/4 tests per day

Part B. 8 19/32 days

Part C.  6  26/29 days

Step-by-step explanation:

Part A

Total time = 6 2/5 days

Number of tests = 40 tests

Process

1.- Convert the mixed fraction to improper fraction

                 6 2/5 = (30 + 2) / 5 = 32/5

2.- Divide 40 by 32/5

                40/1  / 32/5   = (40 x 5) / (32 x 1)

                                      = 200 / 32

Simplify

                                        100 / 16 = 50/8 = 25/4

3.- Convert 25/4 to mixed fractions

                                       6      

                                4   25            

                                        1

                   25/4 = 6 1/4

Archimedes grade 6 1/4 tests per day

Part B

15 more tests

Total time = 32/5

Total tests = 40 + 15 = 55

Process

1.- Divide 55 by 32/5

                                  55 / 1  /  32 /5    = (55 x 5) / (32 x 1)

                                                             = 275 / 32

                                                             

2.- Convert 275/32 to a mixed fraction

                                                 8                                  

                                      32   275

                                             256

                                                19

Result    8 19/32 days

Part C

1.- Divide 55 by 7.25

                                         50 / 7.25     =    5000 / 725

                                                  6

                                725    5000

                                        - 4350

                                            650    

Result 6 650/750 = 6  26/29

3 0
3 years ago
The triangles below are congruent and their corresponding parts are marked.
Grace [21]

Answer:

The answer is below.

Step-by-step explanation:

8 0
3 years ago
John wants to simplify the expression (5+3) to the power of 2. As a first step, he writes 5 to the power of 2+3to the power of 2
Anna35 [415]
No, he needs to do 5(to the power of 2) plus 3(to the power of 2)
this should give him 25 plus 9 = 34
6 0
3 years ago
-5 + 8 • -7 <br> help lols
iris [78.8K]

Answer:

Step-by-step explanation:

-5 + (8 x -7)

using PEMDAS, (8 x -7) = -56

so -5 + -56 = -61

5 0
3 years ago
Help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
DedPeter [7]

Answer:

548.80

Step-by-step explanation:

$506.98 * 8.25%=

6 0
3 years ago
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