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mestny [16]
4 years ago
13

I neeeeeeed Help please!

Mathematics
1 answer:
pochemuha4 years ago
4 0

Answer:

i ask your teacher

Step-by-step explanation:

ask your teacher instead of asking for answers

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Mr. Richard's science class is conducting a variety of experiments with projectiles and falling objects. Two groups of students
UNO [17]

Answer:

1.  Group C; 2.  Group B; 3.  Group D; 4.  Group A

Step-by-step explanation:

These equations are in the form

y=-4.9t^2+v_0t+h_0\\\text{or}\\y=-16t^2+v_0t+h_0, where v₀ is the initial velocity and h₀ is the initial height.

The first equation has no value for v₀ and a value of 19 for h₀.  This means there is no velocity, so the ball is dropped, and since the initial height is 19, it is dropped from 19 meters.  This makes it group C.

The second equation has a value of 50 for v₀ and no value for h₀.  This means the initial velocity is 50 and there is no initial height.  This makes it group B.

The third equation has no value for v₀ and a value of 50 for h₀.  This means there is no initial velocity, so the ball is being dropped, and the initial height is 50.  This makes it group D.

The fourth equation has a value of 19 for v₀ and no value for h₀.  This means the initial velocity is 19 and there is no initial height.  This makes it group A.

7 0
3 years ago
Read 2 more answers
How do I calculate percentage is a number? Ex. 30% is 15
puteri [66]
You first divide the number by 100 and then multiply it by the percentage that you are given
5 0
4 years ago
Read 2 more answers
Karen has 120. if she saves 24 per week, how many weeks will it take her to have a total of 312
son4ous [18]

Answer:

13 weeks

Step-by-step explanation:

312/24=13

3 0
3 years ago
Help please, I'm having so much trouble! It's quite easy!
amm1812
This would be your answer

3 0
4 years ago
What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with f(x) + 3?
VladimirAG [237]
Don't make the mistake of saying that the new function is up above the given function. f(x) + 3 is not above f(x) = x. f(x) + 3 is below f(x). 

The answer is B <<<<<=====

y + 3 = x is the way you can think of it.
y = x - 3 is what it is. If you have a graphing calculator, graph it. You want to see that it is below f(x) = x or going down.
4 0
4 years ago
Read 2 more answers
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