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pishuonlain [190]
3 years ago
15

A $20,000 car decreases in value by 15% each year how much is the car worth after three years

Mathematics
2 answers:
storchak [24]3 years ago
7 0

Answer: It is worth $11,000 after 3 years

Step-by-step explanation:

rjkz [21]3 years ago
7 0

Answer:

16,000

Step-by-step explanation:

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A rectangle is a parallelogram with...
ch4aika [34]

Answer:

A rectangle is a parallelogram with d. four congruent angles

Step-by-step explanation:

A rectangle has four right angles meaning they are congruent.

6 0
3 years ago
The height of a cone-shaped statue is 9 ft, and the diameter is 12 ft.
Pepsi [2]
I hope this helps you



Volume of cone =1/3.pi.r^2.h



Volume of cone =1/3.3,14.6^2.9



Volume of cone =339.12
3 0
3 years ago
Read 2 more answers
1. Kalena was asked to prove ifx(x - 1)(x + 1) = x3 - X represents a polynomial identity. She
Verdich [7]

Answer:

C. Kalena made a mistake in Step 3. The justification should state: -x²

+ x²

Step-by-step explanation:

Given the function x(x - 1)(x + 1) = x3 - X

To justify kelena proof

We will need to show if the two equations are equal.

Starting from the RHS with function x³-x

First we will factor out the common factor which is 'x' to have;

x(x²-1)

Factorising x²-1 using the difference of two square will give;

x(x+1)(x-1)

Note that for two real number a and b, the expansion of a²-b² using difference vof two square will give;

a²-b² = (a+b)(a-b) hence;

Factorising x²-1 using the difference of two square will give;

x(x+1)(x-1)

Factorising x(x+1) gives x²+x, therefore

x(x+1)(x-1) = (x²+x)(x-1)

(x²+x)(x-1) = x³-x²+x²-x

The function x³-x²+x²-x gotten shows that kelena made a mistake in step 3, the justification should be -x²+x² not -x-x²

6 0
3 years ago
160,000,000 in scientific notation and 58,413,000,000 please help me guys!!!
elixir [45]

160000000 =

move the decimal so only one number is to the left

we need to move it 8 times

1.60000000 *10^8

1.6*10^8

58413000000

move the decimal so only one number is to the left

5.8413000000 * 10^10

5.8413*10^10

3 0
3 years ago
PLEASE HELP ME I NEED ANSWERS
kolezko [41]
70 is the area of the polygon
5 0
2 years ago
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