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2 years ago

Keanu bought a new laptop computer and paid a

Mathematics

1 answer:

Travka [436]2 years ago

3 0

Answer:

$848

20% of 1000 = 200

1000 - 200 = 800

6% of 800 = 48

800 + 48 = 848

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Solve the following equation for b. 10a + 2b = 12

vazorg [7]

When questions asks us to solve for something unknown, it usually wants us to express the unknown in terms of other numbers.
Therefore, we can solve this by imagining all the other algebra are a number.
10a + 2b = 12
Shift 10a to the other side, turning it negative.
2b = 12 - 10a
Shift 2 from 2b to the other side, dividing 12 - 10a
b = (12 - 10a) / 2
Therefore the answer should be
$b = \frac{12 - 10a}{2}$

5 0

3 years ago

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Please help I have limited time

RideAnS [48]

Answer:

Ask it like this so people can see it more

Step-by-step explanation:

Do the points (-1,9) and (2,4) represent the vertex and a sample point, respectivelt, of y= -2(x+1)^2+9? Explain.

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2 years ago

Which of the following statements are true?

lara31 [8.8K]

I believe it is C, as the graphs do look the same.

7 0

3 years ago

Beth runs a catering business and needs 64 pints of water every day. She gets water in 2-gallon jugs. So, she gets jugs of water

luda_lava [24]

64 divided by 8 is 8. 8 pints fit in one gallon. She carries 2 gallon jugs, so that's 16 pints. So each day she carries 4 2 gallon jugs to meet her catering business demands.

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3 years ago

A new car is purchased for 20700 dollars. The value of the car depreciates at 11% per year. What will the value of the car be, t

lozanna [386]

Answer:

5744. 61 cents

Explanation:

after 1 year:

20700×89%=18423

after 2 years:

18423×89%=16396.47

after 3 years:

16396.47×89%=14592.8583

after 4 years:

14592.8583×89%=12987.64389

after 5 years:

12987.64389×89%=11559.00306

after 6 years:

11559.00306×89%=10287.51272

after 7 years:

10287.51272×89%=9155.886323

after 8 years:

9155.886323×89%=8148.738828

after 9 years:

8148.738828×89%=7252.377557

after 10 years:

7252.37757×89%=6454.616026

after 11 years:

6454.616026×89%=5744.608263

~5744.61 (nearest cent)

7 0

3 years ago

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