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Rom4ik [11]
3 years ago
11

Moreeeee freeeeee pointsssssssssssss have a great day

Mathematics
1 answer:
deff fn [24]3 years ago
8 0

Answer:

A

Step-by-step explanation:

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What is f(5) for the function f(x)=2x+7
denis-greek [22]

Answer:

Solution:

f(5)=2×5+7

=10+7

=17

8 0
3 years ago
Read 2 more answers
(4 pts) If a rock is thrown vertically upward from the surface of Mars with an initial velocity of 15m/sec
Yuliya22 [10]

Answer:

Step-by-step explanation:

I see you're in college math, so we'll solve this with calculus, since it's the easiest way anyway.

The position equation is

s(t)=-1.86t^2+15t  That equation will give us the height of the rock at ANY TIME during its travels. I could find the height at 2 seconds by plugging in a 2 for t; I could find the height at 12 seconds by plugging in a 12 for t, etc.

The first derivative of position is velocity:

v(t) = -3.72t + 15 and you stated that the rock will be at its max height when the velocity is 0, so we plug in a 0 for v(t):

0 = -3.72t + 15 and solve for t:\

-15 = -3.72t so

t = 4.03 seconds. This is how long it takes to get to its max height. Knowing that, we can plug 4.03 seconds into the position equation to find the height at 4.03 seconds:

s(4.03) = -1.86(4.03)² + 15(4.03) so

s(4.03) = 30.2 meters.

Calculus is amazing. Much easier than most methods to solve problems like this.

7 0
2 years ago
I already know the answer but ima check and see.
maw [93]
I got 2.29 is the difference and debras cows made more obviously

Fraction form is 229/100


MARK ME BRAINLIEST PLEASE
3 0
3 years ago
2/5×60 pls help I rlly need this love thx
Vladimir [108]

Answer:

24

Step-by-step explanation:

Convert the 2/5 into a decimal and multiply 0.40×60 to give you 24

4 0
3 years ago
What the equation solved for the slope m?
nata0808 [166]

well i have to see the equation to know

8 0
3 years ago
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