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qaws [65]
3 years ago
11

the height of an object after t seconds is given by f(t)=-5t^2+20t (a) find the height of the object after 2 seconds, and includ

e the correct units with your answer. (b) find the average (vertical) velocity of the object on the time interval [0,2]. show your work, include the correct units, and. circle your final answer. (c) find the instantaneous velocity at t=2
Mathematics
1 answer:
Leni [432]3 years ago
8 0

Answer:

t=20 4=5 =6 =8 =9 10

Step-by-step explanation:

And that is iy

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What is the decimal equivalent of the fraction -68 / 255
garri49 [273]

This is just a calculator problem.

+/- This will turn 68 into a minus when you enter it. On some calculators it is the (-) key.

68

÷

255

=

-0.266666666 is what you should get.


5 0
3 years ago
Find the measure of each side indicated. Round to the nearest tenth. Picture included below.
skad [1K]

Step-by-step explanation:

Use the sine and cosine trig functions

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x=13/cos(52)

x=21.1

22) sin(75)=6/x

x=6/sin(75)

x=6.2

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3 years ago
Last year, Bob used 10 bottles of shampoo and 8 bottles of conditioner. His sister, Kayla, used 7 bottles of shampoo and 6 bottl
REY [17]
The lower ratio would be bob and that dude need to slow down the hair stuff

10 to 8 ratio is about 8.00
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6 0
4 years ago
Hi please HELP ME I really need it
earnstyle [38]

Answer:

? = 14

Step-by-step explanation:

let us say that ? = x

7^x * 7^5^4 = 7^34

When you have a power to a power you multiply

7^x * 7^20 = 7^34

when you multiply common bases you add the power. since all the bases aer the same just look at the power

7^34-20 = 7^x

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6 0
3 years ago
How many seconds are there in a month of 30 days express it in scientific notation​
Evgesh-ka [11]
Answer: 2.592 x 10^6 seconds

Explanation:

There are 3600s in 1 hr

And 24hrs in 1 day which mean

There are 3600 x 24 = 86400s in 1 day

And one month = 30 days

86400 x 30 = 2, 592, 000s in 1 month

Write in scientific notation:

2, 592, 000 = 2.592 x 10^6

6 0
3 years ago
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