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3 years ago

How many solutions can be found for the linear equation? 3(x + 4) = 3x + 4

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

4 0

There would be infinite answers

Norma-Jean [14]3 years ago

4 0

Answer:

TBH I SAY ITS 1 SOLUTIONS cause take a look at the math 3(x+4)=3x+4--->3x+12=3x+4--->x=8 but i think its inf solution

Step-by-step explanation:

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Find the number of years it would take for $1200 to earn simple interest of $324 at an annual interest rate of 6% per year

topjm [15]

ANSWER

It would take 45 good years

EXPLANATION

We calculate simple interest using the formula,

$I=\frac{P\times T\times R}{100}$

From the question,

$I=324$ dollars

$R=6$ %

and

$P=120$ dollars

We substitute into the above formula

$324=\frac{120\times T\times 6}{100}$

$324=\frac{720\times T}{100}$

$324\times100=720\times T$

$\frac{324\times100}{720}=T$

$\frac{324\times10}{72}=T$

$45=T$

Therefore it would take 45 years.

7 0

4 years ago

If Sheila paid $797.50 in interest on a 5 year loan of $5,800 for her first car, what was the interest rate? (Make sure you’ve c

allochka39001 [22]

In calculating the interest on a car we have a formula

(interest rate/number of payments) x loan principal = interest.

Since, we have:
Interest rate = ?
number of payments = 60 ( 5 year loan x 12 months)
loan principal = 5800
interest = 797.50

We need to derive a formula to find the IR(interest rate)

(interest rate/60) x 5800 = 797.50
IR (5800) / 60 = 797.50
IR (5800) = 797.50 (60)
IR (5800) = 47850
IR = 47850/5800
IR = 8.25 %

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4 years ago