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zvonat [6]
2 years ago
8

Assume that the radius r of a sphere is expanding at a rate of 50 cm/min. Determine the rate of change in surface area at t = 2

min, assuming that r = 20 at t = 0
Mathematics
1 answer:
oksano4ka [1.4K]2 years ago
4 0
Hay if you neeed help look up math papa  this wedsite will realy help you
hope that helps
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A waitress fills bowls with soup. She puts The fraction shows 2 over 3. of a cup of soup in each bowl. How many bowls can the wa
bagirrra123 [75]
26 would be the correct answer because 2/3 X 40 = 26.667 but you cant serve a little bit of soup so the total would be 26   Hoped this helped
6 0
3 years ago
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pablo is making a sandwich for a picnic.He has 32 slices of turkey and 24 slices of cheese.If pablo wants to make the maximum nu
mezya [45]
You find the HCF which is 8
you divide 32 and 24 by 8
which will give you 4 and 3 respectively
therefore there will be 4 slices of turkey and 3 slices of cheese in each sandwich.
and there will be 8 sandwiches...
6 0
3 years ago
To find the number for c
kodGreya [7K]
You use the Pythagorean theorem which is a^2+b^2=c^2

So....
.8^2+.6^2=c^2
.64+.36=c^2
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1=c becaaue the square root of one is one
4 0
3 years ago
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N his road trip, Leon stops to refuel and get some snacks. He has the following purchases:
tresset_1 [31]

Answer:

C. Paid $2.60 too much

Step-by-step explanation:

Gas 12 x 2.89 = 34.68

granola 2 x 1.59 = 3.18 x 1.075 = 3.4185

apple .89 x 1.075 = 0.95675

vitamin water 2 x 1.39 = 2.78 x 1.075 = 2.9885

  34.68
  3.4185
  0.95675
+ 2.9885
---------------------
  $42.04

  $44.64
- $42.04
---------------------
  $2.60

3 0
2 years ago
Davinder earns 4.5% interest per year on the money she has saved in her bank account. She starts off with £200. How much is in h
Mariulka [41]

Answer:

249.24

Step-by-step explanation:

Year Interest Total

Interest Balance

0 -- -- £200.00

1 £9.19 £9.19 £209.19

2 £9.61 £18.80 £218.80

3 £10.05 £28.85 £228.85

4 £10.51 £39.36 £239.36

5 £11.00 £50.36 £250.36

7 0
2 years ago
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