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Bess [88]
4 years ago
15

I need help with questions number seven and ten. Answering will give you 28 pts

Mathematics
1 answer:
Anika [276]4 years ago
3 0

Answer:

#7=A

#10=

Step-by-step explanation:

for #10 idk the answer but its kind of similar to number 7

sorry


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A company rents water tanks shaped like cylinders. Each tank has a radius of 3 feet and a height of 2 feet. The cost is $ 4 per
Alexxandr [17]

Answer:

The total cost of the cylindrical tank is $226.28

Step-by-step explanation:

Dimensions of the tank are:  radius = 3 ft , height = 2 ft

Cost per cubic foot = $4

Now, total volume of the cylindrical tank =  \pi \times r^{2}h

Here, take π = 22/7

So, Volume  = \frac{22}{7}  \times (3)^{2} \times (2) = \frac{22 \times 9 \times 2}{7}  = \frac{396}{7}  = 56.57 cubic ft

So, the <u>volume of the tank = 56.57 cubic feet. </u>

Now, cost per cubic foot = $4

Hence, the total cost of the tank = Total Volume of the tank x cost per foot

                                                       = 56.57 x 4 = $226.28

So, the total cost of the cylindrical tank is $226.28

5 0
3 years ago
The owner of a ski resort estimates that a new 4-person ski lift will cost $5,500,000. The owner begins making payments on March
disa [49]

Amount must the owner make to have the cost of the ski lift in 5 years  is $6,711,045.22.

<h3>What is compound interest?</h3>

Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on principal plus interest.

A = P(1 + r/n)^{nt}

P =5,500,000

r =4%= 0.004

n =4

t= 5 years.

Now,

A = P(1 + r/n)^{nt}

A = 5,500,000.00(1 + 0.04/4)^{(4)(5)}

A = 5,500,000.00(1 + 0.01)^{20}

A = $6,711,045.22

Hence, The total amount accrued is $6,711,045.22.

Learn more about compound interest here:

brainly.com/question/14295570

#SPJ1

7 0
2 years ago
A line passes throuh the ordered pair (7,2) and (5,4). What is the slope? PLEASE HELP DUE TODAY
Akimi4 [234]
The formula for slope is the change in y over the change in x
m=slope
m=4-2/5-7
m=2/-2
m=-1
it has a slope of -1
5 0
3 years ago
Read 2 more answers
PLZ HELP QUICK Which property explains why these two expressions are equal - the commutative, the associative, or distributive p
r-ruslan [8.4K]

Answer:

I think it's commutative. ;-;

Step-by-step explanation:

4 0
3 years ago
Which expression below has the LEAST value?
Alexandra [31]

Answer: A

Step-by-step explanation:
Your answer is A.

Value of 3.78 x 10=37.8

Value of 5.99 x 102=699.98

value of 7.35 x 10-12=61.5

Value of 9.46 x 10-10=84.6.

Least value to greatest value

3.78 x 10=37.8 Least value

7.35 x 10 - 12=61.5 Sencond least value

9.46 x 10 - 10=84.6  Sencond greatest value

5.99 x 102=699.98  Greatest value

Hope it helps have a great day:)

7 0
2 years ago
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