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katovenus [111]
3 years ago
11

Use linear regression to predict the length of a 40-month-old animal. The ages and lengths of several animals of the same specie

s are recorded in the following table: (2 points)
Mathematics
1 answer:
Zarrin [17]3 years ago
7 0

Answer:

Aw what animal

Step-by-step explanation:

Srry I need pointse

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The diameter of a sphere is 2 ft. What is the sphere's volume? Round to the nearest tenth.
pychu [463]

Answer:

4.19 ft ^3 or A.

Step-by-step explanation:

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3 years ago
The angle of the roof on kaya’s dollhouse is 56 degrees. she built a scale model of the dollhouse with a scale ratio of 1:4. wha
Alona [7]
The answer I got was letter B; 34
6 0
4 years ago
Please help me. <br><br> The answers are <br><br> A (3, -2<br> B (1,14)<br> C (4,3)<br> D (2,9)
Vlad [161]

Answer:

c. (4,3)

Step-by-step explanation:

If you look at all the rest of the coordinates, compared to (4,3). None of them are in the red area. They are either in the blue, or the orange. To be a solution it has to be in both areas, (the red). Hope this helps!

5 0
3 years ago
A model rocket is launched directly upward at a speed of 50 meters per second from a height of 8 meters. The function f(t)=−4.9t
Gnoma [55]

Answer:

t=\frac{-50 -\sqrt{(50)^2 -4(-4.9)(8)}}{2*(-4.9)}= 10.36

t=\frac{-50 +\sqrt{(50)^2 -4(-4.9)(8)}}{2*(-4.9)}= -0.158

And since the time can't be negative we have that:

t= 10.36 seconds

So the answer for this case would be after 10.36 seconds the rocket will hit the ground

Step-by-step explanation:

For this case we have the function of the height in terms of the time givenby:

h(t) = -4.9t^2 +50 t+8

And we want to known when the rockect hit the ground and for this case we need to solve the equation h=0

-4.9t^2 +50 t+8 =0

And as we can see we have a quadratic equation like this one:

ax^2 +bx+c

Where: a =-4.9 , b =50 c =8

And the general solutions are given by:

x =\frac{-b \pm \sqrt{b^2 -4ac}}{2a}

If we replace the values that we have we got:

t=\frac{-50 -\sqrt{(50)^2 -4(-4.9)(8)}}{2*(-4.9)}= 10.36

t=\frac{-50 +\sqrt{(50)^2 -4(-4.9)(8)}}{2*(-4.9)}= -0.158

And since the time can't be negative we have that:

t= 10.36 seconds

So the answer for this case would be after 10.36 seconds the rocket will hit the ground

6 0
4 years ago
May somebody help me please
nikdorinn [45]
Here how I did it and the answer is -6

4 0
3 years ago
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