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rjkz [21]
4 years ago
7

Please explain how to do this

Mathematics
1 answer:
11Alexandr11 [23.1K]4 years ago
5 0

Answer:

  A = 5t +7000

Step-by-step explanation:

Tim's rate of increasing altitude is 5 ft/min, so his change in altitude in t minutes is 5t.

If he started at 7000 ft, his altitude as a function of time is the sum of his initial altitude and his change in altitude:

  A = 5t +7000

You might be interested in
Ellen saved $2000 and she spent 10% of it to buy a bike. Kim saved 8% more than that of Ellen's left savings. If Lisa saved 60%
enyata [817]

Answer: Lis saved $1166.4 .

Step-by-step explanation:

Given , Ellen saved $2000 and she spent 10% of it to buy a bike.

Then, Ellen's left saving = saved amount - 10% of  (saved amount)

= $2000 - 0.10 x $2000 <em>[We convert perecntage to decimal by diving it by 100]</em>

= $2000 - $200

= $1800

So, Ellen's left saving= $1800

Also, Kim saved 8% more than that of Ellen's left savings.

Kim's Saving = Ellen's left saving + 8% of (Ellen's left saving)

= $1800  + (0.08) x ($1800) <em>[We convert perecntage to decimal by diving it by 100]</em>

= $1800 +  $144

i.e. Kim's Saving= $1944

If Lisa saved 60% as much as Kim, then Lisa's saving  = 60% of (Kim's Saving)

= (0.60) x ($1944) <em>[We convert perecntage to decimal by diving it by 100]</em>

i.e. Lisa's saving = $1166.4

4 0
3 years ago
After you find the solution, how would you check to make sure your answer is correct?
krek1111 [17]

Answer:

Plug in your variables value.

Step-by-step explanation:

For your case, plug in -6 into the y slot

12(5+2y)= -(6-9y) +4y

12(5+2x-6)= -(6-9x-6)+4y see if that works!

5 0
3 years ago
Read 2 more answers
Please help me solve this question. Will make you the
lawyer [7]

Yes because if you graph it, it will pass the vertical line test

4 0
3 years ago
Plz answer this for 10 points
ki77a [65]
domain refers to the X values so option A would be correct :)
4 0
3 years ago
Please help evaluate?
Dominik [7]
3. 

4^3 is equal to 64. Therefor log4(64) must be equal to 3. 
3 0
3 years ago
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