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Sedaia [141]
3 years ago
6

If the simple interest on $6,000 for 4 years is $1,920, then what is the interest rate?

Mathematics
1 answer:
Vsevolod [243]3 years ago
6 0

Answer:

8 percent

Step-by-step explanation:

Since the formula for interest rate is the original money, the amount of years, and the inetrest rate multiplied together, we could plug it into an equation. 6000 times 4 times the ineterest rate is equal to 1920. 6000 times 4 is 24000. 1920 divided by 24000 is equal to 0.08 or 8 percent.

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PART 2: Use the numbers you created to write a system of equations. Kassim and Yehia go to the movie theater and purchase refres
densk [106]

Answer: hope this helps you

EXAMPEL :

Jacob and Zachary go to the movie theatre and purchase refreshments for their friends. Jacob spends a total of $18.25 on two bags of popcorn and three drinks. Zachary spends a total of $27.50 for four bags of popcorn and two drinks.

Step-by-step explanation:

let's make p stand for popcorn and d for drinks. Using those variables, we can create our equations:

2p + 3d = 18.25

4p + 2d = 27.50

From this, we can use substitution or elimination to solve:

For substitution, in the second equations, we could factor out a 2, divide both sides by 2, and then move the left over 2p to the other side to isolate d to put into the first equation.

For elimination, we can multiply the first equation by -2 so that we can remove the 4p and focus on solving for d.

I'll be using elimination in this case:

-2(2p + 3d = 18.25) --> -4p - 6d = -36.50

-4p - 6d = -36.50

4p  + 2d = 27.50

-4d = -9.00

d = 2.25

4p + 2 * 2.25 = 27.50

4p + 4.50 = 27.50

4p = 23.00

p = 5.75

Now let's check our answer:

2 * 5.75 + 3 * 2.25 = 18.25

11.50 + 6.75 = 18.25

18.25 = 18.25

So drinks cost $2.25 and popcorn $5.75

4 0
2 years ago
An acute angle and an obtuse angle are always supplementary? true or false
GalinKa [24]
It's true! Cause the angle is acute it's supplementary angle would be obtuse
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3 years ago
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Answer ==== GF, HI, FA, DI

Step-by-step explanation

As long as they aren't on the same plane or aren't touching your given segment, they are skew.

6 0
3 years ago
Read 2 more answers
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NNADVOKAT [17]
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Carla owes $3,760 on her Electronics Boutique credit card with a 22.4% interest rate. She owes $3,124 on her Miscellaneous Goods
lianna [129]
Answer choice number 2 is correct. 
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5 0
3 years ago
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