3 years ago

Write a linear equation from a slope and a point

Mathematics

1 answer:

Alika [10]3 years ago

6 0

Slope=4/2 point=(1,2)
2=4/2(1)+b
b=0
y=2x

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Answer:

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The value of a car is depreciating at a rate of 5% per year. In 2010, the car was worth $32,000. Find the value of the car in 20

PSYCHO15rus [73]

Data:

Depreciating: The value decrease

Rate: 5% per year

2010: $32,000

2013: $?

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Step 2 and step 3: You use the formula below to find the value of the car after 3 years (as the value is decaying the rate in the formula is substracting)

Final value: F

Principal value: P=32000

rate: r=5

Time in years: n=3 (2013-2010=3)

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In 2013 the value of the car is $27,436

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1 year ago

What is the height of an isosceles trapezoid, if the lengths of its bases are 5m and 11m, and the length of a leg 4m.

pashok25 [27]

Let EB and CF be two heights. Then quadrilateral EBCF is rectangle, so BC=EF=5 m. It is given that bases are BC=5 m and AD=11 m. Triangles ABE and DCF are congruent, thus,

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Answer: $\sqrt{7}\ m.$

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3 years ago