3 years ago

A multiple regression model has the form = 5 + 6x + 7w as x increases by 1 unit (holding w constant), y is expected to

Mathematics

1 answer:

Hoochie [10]3 years ago

4 0

As $x$ increases, [y] is expected to increase.

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Question 3 Translate this sentence into an equation. The sum of 13 and Julie's age is 50. Use the variable to represent Julie's

LekaFEV [45]

Answer: 13 + x = 50

Step-by-step explanation: the sum is 50 , 13 is provided , julie’s age is the variable

3 0

3 years ago

A drop of oil makes a circular ring in a water puddle. The radius of the oil ring expands at 1.5 cm per second. If r(t)=1.5t and

Readme [11.4K]

Answer:

$a(t) =n(0.25t^2)$

Step-by-step explanation:

Given

$r(t) = 0.5t$

$a(r) = nr^2$

Required

Determine the area in terms of time

From the question, we have:

$r(t) = 0.5t$ -> radius per time

and

$a(r) = nr^2$ --> area from radius

The interpretation of the question is to find the composite function: a(t)

If $a(r) = nr^2$ , and $r(t) = 0.5t$ , the

Substitute 0.5t for r

$a(t) =n(0.5t)^2$

$a(t) =n*0.25t^2$

$a(t) =n(0.25t^2)$

5 0

2 years ago

The expression when m=6 and n=4

OverLord2011 [107]

Step 1: plug in the numbers. 7(6)-4
Step 2 multiply 7x6 42-4

7 0

3 years ago

Solve for x and round to the nearest tenth

Kruka [31]

Answer:

i think its 18 :))

8 0

3 years ago

Please help! A is not -3 as I’ve seen some answer with that.

Arte-miy333 [17]

Answer:

a) x = 5

b) x = 4

Step-by-step explanation:

a) $\frac{3x+4}{2}$ = 9.5

3x+4 = 9.5(2)

3x = 19-4

x = 15/3

x = 5

b) $\frac{7+2x}{3}$ = 5

7+2x = 5(3)

2x = 15-7

x = 8/2

x=4

6 0

2 years ago