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olchik [2.2K]
3 years ago
7

3) Suppose Sandra makes credit card purchase for $4,000 that compounds interest daily. The APR is 3%. How much interest is earne

d on Sandra’s card after 1 year if Sandra makes no payments? (Use the formula below for help).
A=P(1+r/n)nt
Mathematics
1 answer:
Softa [21]3 years ago
4 0

Answer:

$121.81

Step-by-step explanation:

A=  4000(1+.03/365)^365

4000\left(1+\frac{0.03}{365}\right)^{365}=4121.81305\dots

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Cylinder A has a radius of 10 inches and a height of 5 inches. Cylinder B has a volume of 750π. What is the percentage change in
Firlakuza [10]

Answer:

50% change in volume

Step-by-step explanation:

<h2>This problem bothers on the mensuration of solid shapes.</h2>

In this problem we are to find the volume of the first  cylinder and compare with the second cylinder.

Given data

Volume v =  ?

Diameter d= ?

Radius r =  10 in

Height h=  5 in

we know that the volume of a cylinder is expressed as

volume = \pi r^{2}h

Substituting our given data we have

volume = \pi*10^{2}*5\\ volume= \pi *100*5\\volume= 500\pi in^{3} \\

The first cylinder as a volume of 500\pi

The change in volume is 750\pi - 500\pi = 250\pi

percentage = \frac{250\pi }{500\pi } *100

percentage=0.5*100= 50%

6 0
3 years ago
Read 2 more answers
There are 20 boys and 35 girls that want to participate in the school play. If each set must have the same ratio of boys to girl
faust18 [17]
The greatest number of sets would be 20 with one girl and one boy in each.
4 0
3 years ago
Give the values of a, b, and c needed to write the equation's general form.. (5 + x)(5 - x) = 7. A = 1; B = 0; C = -18. A = 25;
Licemer1 [7]
The general form of an equation is A x^{2} +Bx+C=0. Solving for  (5+X)(5-X)=7 by multiplying the factors and subtratcting 7 on both sides gives the equation x^{2} -18=0, so 
A = 1
B = 0
C = -18
6 0
2 years ago
PLZ HELP DUE SOON
BlackZzzverrR [31]

Answer:

50 = x · 3.75

Step-by-step explanation:

8 0
2 years ago
HELP ME!!!! ASAP!!!!! Thank you so much!!!!
likoan [24]
3/2x + 1/5 >= -1
3/2x >= - 6/5
x >= -12/15
x >= -4/5

-1/2x - 7/3 >= 5

-1/2x >= 22/3
x <= -44/3

Its D
5 0
3 years ago
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