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strojnjashka [21]
3 years ago
6

A deposit of $6,500 was invested and has grown to $8,300 in 5 years. The growth in value was via simple interest, calculated on

the basis of the initial investment. Calculate the rate of interest. Give your answer as a percentage to the nearest tenth of a percent.
Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0

Answer: 5.5%

Step-by-step explanation:

Since the money invested has grown to $8300 and the principal was $600, this means the interest is:

= $8300 - $6500

= $1800

Simple interest = (Principal × Rate × Time)/100

1800 = (6500 × Rate × 5)/100

Cross multiply

1800 × 100 = 32500 × Rate

Rate = 180000/32500

Rate = 5.5%

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Answer:

Lien: $26300 Her husband: $24700

Step-by-step explanation:

x+(x+1600)=51000

2x+1600=51000

2x=49400

x=24700

Her husband earned 24700

24700+1600=26300

Lien earned 26300

3 0
3 years ago
What is the equation of a line that contains point (4, –3) and is PARALLEL to –4x + y = 7?
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Answer:

Step-by-step explanation:

First, put -4x+y=7 into y=mx+b format

move -4x to the other side (or add 4x on both sides)

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now, parallel lines have the same slopes, but not the same y intercepts.

So, you already know the slope of your new line

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now we need to find b (y intercept)

take the point (4,-3) and put it into the equation above

-3=4(4)+b

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therefore the new line will be y=4x-19

Hope this helps!

7 0
3 years ago
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olga55 [171]
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Keith played the first 22 minutes of soccer game lohan then replaced him for the rest of half logan started the second half and
insens350 [35]

Answer:

Logan played for 22 minutes during the second half.

Step-by-step explanation:

Since Keith played the first 22 minutes of a soccer game and Logan then replaced him for the rest of the half, and Logan started the second half and was replaced by Wilson with 18 minutes left in the game, if each half is 40 minutes long To determine how long did Logan play during the second half, the following calculation must be performed:

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