3 years ago

From $65 to $144 increase or decrease?

Mathematics

1 answer:

Nadya [2.5K]3 years ago

5 0

Answer:

increase

Step-by-step explanation:

+79$ increase

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X^2 =80. Write the exact answer using radicals

DanielleElmas [232]

Answer:

4√5, -4√5

Step-by-step explanation:

x^2 = 80

√x^2 = √80

x = 8.9 or 4√5

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3 years ago

a car deceased in value by 25% in the first year. purchased for $28,000, what is the car worth today.

Gwar [14]

Try this: Principal times (1+interest rate as a decimal fraction)^(number of yrs)

In this case, Principal = $28,000; interest rate = -0.25; # of years = 1

So Decrease in value = $28,000 (0.75)^1 = $21,000.

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3 years ago

In this figure m∠A=(2x-2)°, m∠C=(4x-6)°,and m∠DBC=(5x+4)° What is m∠C

Verizon [17]

Answer:

answer 500

Step-by-step explanation:

2x2-40x33 divided by 2 and boom answer 500

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3 years ago

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Is (-3,0)a solution to the equation 2x+6y=-6?

sineoko [7]

Answer:

Yes

Step-by-step explanation:

x , y

(-3 , 0)

plug in the numbers

2(-3) + 6(0) = -6

-6 = -6

4 0

3 years ago

If h(x) = 2x4 - 4x2 - 2x, then h(3)=

Kruka [31]

Answer:

h(3)=-6

Step-by-step explanation:

sub 3 into all the positions which variable X is present

$h(3) =( 2 \times 4) - (4 \times 2) - 2(3)$

$h(3) = 8 - 8 - 6$

$h(3) = - 6$

6 0

3 years ago

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