2 years ago

Which equation is represented by the table?

Mathematics

1 answer:

enot [183]2 years ago

7 0

Answer:

C??????????????? ?????????

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What is 1a+1b I have no clue

aev [14]

Answer:

a+b

Step-by-step explanation:

=1a+1b

=1(a+b)

=a+b

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3 years ago

Using 50 observations, the following regression output is obtained from estimating y = β0 + β1x + β2d1 + β3d2 + ε. Coefficients

pickupchik [31]

Answer:

The answer is "789.03 and 806.16".

Step-by-step explanation:

$y\^ \ \ = -0.45 + 3.78(x) -11.88(d_1) + 5.25(d_2)$

For point a:

Calculating the value for $y\^ \ \ x = 212,\ \ d_1 = 1, and \ \ d_2 = 0$

$y\^ = -0.45 + 3.78(212) -11.88(1) + 5.25(0)$

$= -0.45 + 801.36 -11.88 + 0\\\\= 789.03$

For point b:

Calculating the value of $y\^ \ \ for \ \ x = 212, \ \ d_1 = 0, and \ \ d_2 = 1$

$y\^ = -0.45 + 3.78(212) -11.88(0) + 5.25(1)$

$= -0.45 + 801.36 -0 + 5.25\\\\= 806.16$

3 0

3 years ago

Imagine the bike shop sells bike rentals for a local bike tour. The tour costs $50 for equipment plus $7.50 per hour. Explain ho

Zepler [3.9K]

Answer:87.5

Step-by-step explanation: I can find the total cost of a 5 hire bike tour because I'm given the unit rate and the amount of time to multiply it by.

8 0

2 years ago

A new car is purchased for $35, 000 and over time its value depreciates by

jekas [21]

The value after 14 year is 8750 dollar

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2 years ago

A father is 28 years older than his son. in 8 years time he will be 3 times as old as his son. how old is the father now?

mariarad [96]

Answer:

34 years

Step-by-step explanation:

f = s + 28 Eq. 1

f+8 = 3(s+8) Eq. 2

f = father age

s = son age

replacing Eq. 1 on Eq. 2

(s+28) + 8 = 3(s+8)

s + 36 = 3*s + 3*8

s + 36 = 3s + 24

36 - 24 = 3s - s

12 = 2s

12/2 = s

s = 6

from the Eq. 1

f = 6 + 28

f = 34

Check

from the Eq. 2

34+8 = 3(6+8)

42 = 3*14

6 0

1 year ago