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dybincka [34]
3 years ago
5

In straight-line depreciation, if a car is purchased for $28,000 and is depreciated over 10 years, then what is the annual depre

ciation amount?
A. 2000 B. 2400 C. 2800 D. 3000
Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0
28,000÷10
=2,800
......................
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find h and k such that the equation 3x^2 -hx +4k =0, so that the sum of the solutions is -12 and the product of the solutions is
Radda [10]
Let the solutions be a and b.
a = -2; b = -10
a + b = -2 + (-10) = -12
ab = (-2)(-10) = 20

(x - a)(x - b) = 0

(x - (-2))(x - (-10)) = 0

(x + 2)(x + 10) = 0

x^2 + 10x + 2x + 20 = 0

x^2 + 12x + 20 = 0

-h = 12

h = -12

4k = 20

k = 5
6 0
3 years ago
Write in terms of i.<br> Simplify your answer as much as possible.<br> -90
mr Goodwill [35]

Answer:

3i √10

Step-by-step explanation:

6 0
3 years ago
Help me please answer all because idk if I was correct scientific notation
valentina_108 [34]

Answer:

I think the first 4 are right

5-8

sorry I cant read it it it is too small so I will explain

5.1 x 10^-2 would be 0.051 just move the decimal left x spaces where x is the exponent

9

4.4 x 10^3

10

7.5 x 10^4

11

6.99 x 10^7

12

5.75 x 10^9

13

8.4 x 10^-2

14

9.9 x 10^-3

15

5.15 x 10^-7

16

3.07 x 10^-5

17

you got it right

18

you got it right

19

Singapore

Luxembourg

Australia

Egypt

Brazil

20

3,670,000,000

21

6.2 x 10^-6

22

125,000,000,000

1.25 x 10^11

Step-by-step explanation:

i hope I helped

3 0
3 years ago
Can someone help me?
12345 [234]
A= ab \frac{sin \theta}{2}
where A is area
a is side a lets say its 8cm
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4 0
3 years ago
Applying Inverse Properties In Exercise,apply the inverse properties of logarithmic and exponential functions to simplify the ex
kodGreya [7K]

Answer:

The simplified form of the given expression is (2x-1).

Step-by-step explanation:

Consider the given expression is

\ln e^{2x-1}

According to the Inverse Properties of In

\ln e^x=x

In the given expression the power of e is (2x-1).

Using the Inverse Properties of In, we get

2x-1

Therefore, the simplified form of the given expression is (2x-1).

5 0
2 years ago
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