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2 years ago

Why will percent of change always be represented by a positive number?

1 answer:

3 0

Percent of change will always be positive because the change is an absolute value. As we know, absolute value is always a positive value because you don't pay attention to the direction, only the distance is important.

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18,000 amounts to 21,600 in 4 years at simple interest. Find the sum of

AnnyKZ [126]

Answer:

$\$20,400$

Step-by-step explanation:

we know that

The simple interest formula is equal to

$A=P(1+rt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

step 1

Find the rate of interest

in this problem we have

$t=4\ years\\ P=\$18,000\\ A=\$21,600\\r=?$

substitute in the formula above and solve for r

$\$21,600=\$18,000(1+4r)$

$1.2=(1+4r)$

$4r=1.2-1$

$r=0.2/4=0.05$

The rate of interest is $5\%$

step 2

Find the sum of money that will amount to 25,500 in 5 years, at the same rate of interest

in this part we have

$t=5\ years\\ P=?\\ A=\$25,500\\r=0.05$

substitute in the formula above and solve for P

$\$25,500=P(1+0.05*5)$

$P=\$25,500/(1.25)=\$20,400$

3 0

2 years ago

1. If BCDE is congruent to OPQR, then BC is congruent to A. OR B. OP C. PQ D. QR

Zepler [3.9K]

D just got done with test

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1 year ago

on another training ride jana bikes 15 miles in 50 minutes explain how you could find the number of miles she bikes in 1 hour ex

Oksi-84 [34.3K]

So she is going 15 miles every 50 minutes...

5 0

2 years ago

Read 2 more answers

Solve: |11x + 10| = 22

Tju [1.3M]

Answer:

x = 12/11, -32/11

Step-by-step explanation:

4 0

2 years ago

Which system of equations has no sulotion?

alex41 [277]

Answer:

Here is the answer ...... Check out it

Step-by-step explanation:

An inconsistent system of equations is a system of equations with no solution. We can determine if our system is inconsistent in three ways: graphing, algebra, and logic. Graphs of an inconsistent system will have no points of intersection.

 Hope it helps ☺️ CLICK on ♥️

5 0

2 years ago