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bearhunter [10]
3 years ago
12

15 POINTS AND BRAINLIEST

Mathematics
2 answers:
defon3 years ago
6 0

Answer: 20/4  ANS=5/1

Step-by-step explanation:


rosijanka [135]3 years ago
3 0
Here, (x,y) = (20,4)
Here, we can see 4 * 5 = 20.
It means, x is 5 times y. so, y would be 1/5 time of x

In short, Your Answer would be y = 1/5 x

Hope this helps!
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marusya05 [52]

Answer:

A)  both functions are linear

B) f(x) = 7446.4x + 178713.6 and f(x) = 11000x + 179000

C) House 2 will value $106894.4 more than house 1.

Step-by-step explanation:

A) Value Increase from year 1 to year 2:

House 1: 193,606.40 - 186,160 = 7446.4

House 2: 201,000 - 190,000 = 11000

Value Increase from year 2 to year 3:

House 1: 201,350.66 - 193,606.40 = 7744.26

House 2: 212,000 - 201,000 = 11000  

This means that a constant increament in x variable gives a constant increament in both houses vales. Then, both functions are linear.

B) The slope is the same as the value increment from one year to the next one.

slope (m) of House 1: 7446.4

slope (m) of House 2: 11000

General formula of a line:

f(x) = mx+b

Replacing with a known point:

<u>House 1</u>

186,160 = 7446.4(1) + b

b = 186,160 - 7446.4 = 178713.6

equation: f(x) = 7446.4x + 178713.6

<u>House 2</u>

190,000 = 11000(1) + b

b = 190,000 - 11000 = 179000

equation: f(x) = 11000x + 179000

C) Replacing x = 30 into each equaiton:

<u>Value of House 1 after 30 years</u>

f(x) = 7446.4(30) + 178713.6 = 402105.6

<u>Value of House 2 after 30 years</u>

f(30) = 11000(30) + 179000 = 509000

Then, house 2 will value 509000 - 402105.6 = $106894.4  more than house 1.

8 0
3 years ago
Can you please put the answer in spaces not all together
4vir4ik [10]
I dont get it im confusid here
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