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4 years ago

15

I need help with all of them

1 answer:

sveticcg [70]4 years ago

3 0

I just answered this xD

1-3 is given as an example.

4. True

5. False. It is the same thing twice

6. True

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Jennifer wants to take a trip around the world. She plans to deposit $125 at the beginning of each month into an investment with

andre [41]

The formula of the future value of annuity due is
A=p [(1+r/k)^(kn)-1)/(r/k)]×(1+r/k)
A future value of annuity due
P payment 125
R interest rate 0.0375
K compounded monthly 12
N time 8 years
Solve for A
A=125×(((1+0.0375÷12)^(12
×8)−1)÷(0.0375÷12))×(1
+0.0375÷12)
=14,012.75

4 0

3 years ago

Read 2 more answers

The radius of the base of a cylinder is increasing at a rate of 7 millimeters per hour. The height of the cylinder is fixed at 1

Ilya [14]

Answer:

The rate of change of the volume of the cylinder at that instant = $791.28\ mm^3/hr$

Step-by-step explanation:

Given:

Rate of increase of base of radius of base of cylinder = 7 mm/hr

Height of cylinder = 1.5 mm

Radius at a certain instant = 12 mm

To find rate of change of volume of cylinder at that instant.

Solution:

Let $r$ represent radius of base of cylinder at any instant.

Rate of increase of base of radius of base of cylinder can be given as:

$\frac{dr}{dt}=7\ mm/hr$

Volume of cylinder is given by:

$V=\pi\ r^2h$

Finding derivative of the Volume with respect to time.

$\frac{dV}{dt}=\pi\ h\ 2r\frac{dr}{dt}$

Plugging in the values given:

$\frac{dV}{dt}=\pi\ (1.5)\ 2(12)(7)$

$\frac{dV}{dt}=252\pi$

Using $\pi=3.14$

$\frac{dV}{dt}=252(3.14)$

$\frac{dV}{dt}=791.28\ mm^3/hr$ (Answer)

Thus rate of change of the volume of the cylinder at that instant = $791.28\ mm^3/hr$

6 0

3 years ago

What is the sum of 13 5/7 + 13/28 ?

nydimaria [60]

<em><u>Look at the attached picture⤴</u></em>

<em><u>Hope it will help u....:)</u></em>

4 0

3 years ago

The lot is 48 feet wide.<br> The dividers are each 2 feet wide.

ivann1987 [24]

The answer is 24 bc 48 divided by 2 equals 24

7 0

3 years ago

Help with these two questions? (also yall like my diluc homescreen)

Angelina_Jolie [31]

1. GCF is 7 so answer is 7(5+6)

2. GCF is 5 so answer is 5(3+8)

6 0

3 years ago