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grandymaker [24]
3 years ago
7

According to a zoologist's study, the equation yˆ=0.1651x+149.5738 models the weight of a baby giraffe, in pounds, during the gi

raffe's first 1000 days, where x is the number of days since birth.
According to this regression equation, what is the approximate weight of a baby giraffe 425 days after birth?

about 70 lb
about 105 lb
about 215 lb
about 220 lb
Mathematics
1 answer:
viktelen [127]3 years ago
3 0

Answer:

220

Step-by-step explanation:

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Solve the equation for y. Identify the slope and y-intercept then graph the equation.
viva [34]

Answer:

y = -3    m = -1     b = 3

Step-by-step explanation:

-3y=3x-9

To isolate the y variable, divide both sides by -3.

y = -1x + 3

y = -3

m = -1

b = 3

8 0
3 years ago
The sides of a rectangle have length x+ 2 and width x -5. Which equation describes the area, A, of the rectangle in terms of x?​
Yakvenalex [24]

Answer:

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

Step-by-step explanation:

The area of a rectangle is length times width.

So the area here is (x+2)(x-5).

They are probably not looking for A=(x+2)(x-5) because it requires too little work.

They probably want A in standard form instead of factored form.

Let's use foil:

First x(x)=x^2

Outer: x(-5)=-5x

Inner: 2(x)=2x

Last: 2(-5)=-10

---------------------Adding together:  x^2-3x-10.

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

4 0
3 years ago
Megan surveyed 40 students in her grade level and asked them what their favorite vegetable was. The results are in the circle gr
Mariana [72]

Answer:

gjlll has 3

Step-by-step explanation:

amy has 555

8 0
3 years ago
Pleeease help!!
stepan [7]
The answer to this is y = 7x + 15
8 0
3 years ago
Solve for z.<br> 12 = 15 ( z - 1/5 )
bija089 [108]

Answer:

1=z

Step-by-step explanation:

Multiply 15 to the parenthesis.  

12=15z-15/5

12=15z-3

Add 3 to both sides

15=15z

Simplify

1=z

5 0
3 years ago
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