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bekas [8.4K]
3 years ago
10

There is a 5% per year decline in water in the following reservoir. if the reservoir had 2000 gallons of water in year 2001, how

much water will remain in 2017? set up the exponential decay function and solve showing your work
please help me
Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0
Answer is 85% count by 5 17 times 5=5%
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2 points
saul85 [17]

Given:

Width of rectangular prism = 20 ft

height of rectangular prism = 12 ft

Length of rectangular prism = 45 ft

Cylindrical diameter = 20 ft

To find:

Volume of the tent

Solution:

Volume of the rectangular prism = length × width × height

                                                       = 45 × 20 × 12

Volume of the rectangular prism = 10800 ft³

Radius of cylinder = 20 ÷ 2 = 10 ft

Height of cylinder = length of rectangular prism

Volume of cylinder = \pi r^{2} h

Volume of half cylinder = \frac{1}{2} \pi r^2h

                                      $=\frac{1}{2} \times 3.142\times 10^2 \times45

Volume of half cylinder = 7069.5 ft³

Volume of tent = volume of rectangular prism + volume of half cylinder

                         = 10800 ft³ + 7069.5 ft³

                         = 17869.5 ft³

                         = 17869 ft³ (nearest cubic foot)

The volume of the tent is 17869 cubic feet.

6 0
2 years ago
True/False (4z + y) is the sum of two terms
frutty [35]
True. The answer is the product of 4 and a number plus another number. 
4 0
3 years ago
Read 2 more answers
Coral spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is
Juliette [100K]
X=weekly allowance
x/2=money saved  (=  money spent).
We can suggest this equation:

x/2+4=12

lowest common multiple=2
x+8=24
x=24-8
x=16

Answer: her weekly allowance is $16.
7 0
2 years ago
PLease Help! I will give you the brainiest and a lot of points!
gtnhenbr [62]

Answer:

this is the venn diagram I guess..

Step-by-step explanation:

find answer from this.. and check if it is correct

6 0
2 years ago
243^-y=(1/243)^3y*9^-2y<br><br><br> a.) y=-1<br> b.) y=0<br> c.) y=1<br> d.) no solution
allochka39001 [22]
243^{-y}=(\frac{1}{243})^{3y}\times 9^{-2y} has y = 0 as a solution.

Selection B is appropriate.
8 0
2 years ago
Read 2 more answers
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