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Anton [14]
3 years ago
14

Please hurry, 15 points and it's overdue.

Mathematics
1 answer:
valina [46]3 years ago
4 0

Answer:

The relationship is positive.

The model predicts a score of 60.

Not sure what part b is.

Step-by-step explanation:

Since while the money spent on advertising increases while the items sold increases, we have a positive relation between both variables.

By looking at where 30 is on the graph, we can see it lines up with 60,the middle between $40 and $80 on the y axis and so we know this is the cost associated with this value.

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I need the answer. Please help
AveGali [126]

Answer:

I think it is period but I don't know what period equalls

Step-by-step explanation:

8 0
3 years ago
Part A: Parallel lines are two lines that never meet. Find an example that contradicts this definition. How would you change the
Phoenix [80]

Answer:

The problem in the first statement is that it does not say that the lines must be in the same plane.

Suppose in a 3D coordinate axis two lines as:

z = 0, y = 0 (this is the x-axis)

y = 1, x = 0 (this line is parallel to the z-axis but one unit above).

Those two lines are not parallel, and also never meet, so the definition is wrong.

The actual definition should be:

"Parallel lines are two lines that lie on the same plane and never meet"

B: The undefined terms are point, line, plane,...

An example can be "Plane", because if our lines do not lie on the same plane, then we can not use the concept of "parallel lines".

7 0
3 years ago
For that middle part I’m soo confused help!
Serjik [45]
F=R G=S H=T
FG≈RS GH≈ST FH≈RT
5 0
3 years ago
Read 2 more answers
Jack is investing $3,000 into an account
marin [14]

Answer:

Step-by-step explanation:

I think this is the equation for annual compunt interest

FV = PV(1 + int)^time        PV is present value    FV is the future value

PV + Interest  =  FV

FV - PV = Interest

                           FV                   -      PV

Interest  = [3000(1 + 0.03)^30]   -   3000

              =    3000(1.03)^30    -   3000

              =    3000(2.4272)   -   3000

              =    7281.79   -   3000

              =    $4282     to the nearest dollar    <------------    Fianl Answer

5 0
3 years ago
Timothy began the week with $35.He bought lunch at school,paying $2.25 for each meal. Let x be the number of meals he bought at
Andrew [12]

Hello <u>156339</u>

Since we know the amount of money is always decreasing, then we should know to subtract by 35. Because 2.25 is the cost per meal and x is the number of meals, the total cost should be 2.25x, which is correct because y is the amount of money left over.

Our final equation would be:

<u><em>y = 35 - 2.25x</em></u>

:)

6 0
3 years ago
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