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2 years ago

7

BRAINLIEST Volume of a cylinder.

2 answers:

astra-53 [7]2 years ago

6 0

Answer:

88

Step-by-step explanation:

Given,

Radius of a cylinder = 2 ft

Height of the cylinder = 7 ft

Therefore, volume of the cylinder

$= \pi {r}^{2} h$

$= \frac{22}{7} \times 2ft \times 2ft \times 7ft$

$88 {ft}^{3} (ans)$

IrinaVladis [17]2 years ago

3 0

Formula: V = (3.14) (r^2)(h)
V= (3.14)(2^2)(7)
V= 87.92

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Aryana wants to invest $43,000. She has two options. Option A gives her 6% compounded quarterly. Option B gives her 6% simple in

solmaris [256]

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Option A earns higher interest($84115.58)

the difference in interest between the two option is $197.9

Step-by-step explanation:

In the problem we are going to apply both the simple interest formula and compound interest formula and compare which has the best/higher returns

Given data

Principal P= $43,000

Rate r= 6%= 0.06

time t= 3years

n= 4 (applicable for compound interest compounded quarterly)

solving for option A gives her 6% compounded quarterly

the compound interest formula is

$A= P(1+\frac{r}{n} )^n^t\\A= 43000(1+\frac{0.06}{4} )^{4} ^*^3$

$A=43000(1+0.015)^{12} \\A=43000(1.015)^{12} \\A=43000*1.1956\\A= 51411.58$

Interest is $A-P= 51411.58-43000= 8411.58$ =$8411.58

solving for option B which gives her 6% simple interest annually

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$A=P(1+r)^{t} \\A=43000(1+0.06)^3\\A=43000(1.06)^3\\A=43000*1.191\\A= 51213.68$

Interest is $A-P=51213.68-43000= 8213.68$ = $8213.68

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$8411.58-8213.68= 197.9$ = $197.9

Option A earns higher interest

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