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Sonbull [250]
3 years ago
12

A cylinder has a height of 9 centimeters and a radius of 13 centimeters. What is its volume? Use ​ ≈ 3.14 and round your answer

to the nearest hundredth.
Mathematics
1 answer:
mash [69]3 years ago
5 0

Step-by-step explanation:

as any other fully symmetric 3D object, the volume is

base area × height.

the area of a circle is

pi×r²

so, we have in our case

pi×13²×9 = 3.14×169×9 = 4,775.94 cm³

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Jim and bill each invest $15,000 into savings accounts that earn 3.5% interest. Jims account earns simple interests and bills ac
Svet_ta [14]

Answer:

Bill will earn more interest

He will earn $ 20,448.67 from his investment

Step-by-step explanation:

Firstly let us calculate Jim's earnings based on simple interest

A = P(1 + rt)

Calculation:

First, converting R percent to r

a decimal

r = R/100 = 3.5%/100 = 0.035 per year.

Solving our equation:

A = 15000(1 + (0.035 × 25)) = 28125

A = $28,125.00

The total amount accrued, principal plus interest, from simple interest on a principal of $15,000.00 at a rate of 3.5% per year for 25 years is $28,125.00 for Jim

Now let's us calculate bill's investment based on compound interest

Equation

A = P(1 + r)^t

A=15000(1+0.035)^25

A=15000(1.035)^25

A=15000*2.36324498427

A = $ 35,448.67

We see that Bill will earn

$ 20,448.67 from his investment

4 0
3 years ago
If y varies directly as x, and y =6 when x =10, find x when y=18
bonufazy [111]

Answer:

X=30

Step-by-step explanation:

y=kx

6=10k

k=0.6

y=0.6x

18=0.6x

X=18/0.6

x=30

7 0
3 years ago
A recipe requires 1/3 cup of milk for each 1/4 cup of water.How many cups of water are needed for each cup of milk?
d1i1m1o1n [39]
3/4
Work
1/4+1/4+1/4=3/4
1/3+1/3+1/3=3/3=1
7 0
3 years ago
Can some please help??
Anvisha [2.4K]

Answer: it would be B or C

Step-by-step explanation: Hope this helps :)

8 0
3 years ago
Read 2 more answers
Find f^-1(x) and it’s domain.
Mrac [35]

Answer: A

Step-by-step explanation:

Letting f(y)=x,

x=\sqrt{y}-5\\\\x+5=\sqrt{y}\\\\y=(x+5)^{2}

Also, the domain of an inverse is the same as the range of the original function, so the range is x \geq 0

7 0
2 years ago
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