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Ann [662]
2 years ago
12

$800 at 3.8% interest for 6 months What is the interest? What is the new balance?

Mathematics
2 answers:
yKpoI14uk [10]2 years ago
6 0
At the end of 6 years, your savings will have grown to $989.
You will have earned in $189 in interest.
hope this helped:)
ycow [4]2 years ago
4 0

Answer:

  • 800(1+0.038)2

Step-by-step explanation:

800(1+0.038)2

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Step-by-step explanation:

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Traveling with a speed of 70 mph, a car covered a distance D miles in T hours. Write an equation that relates the distance D thi
irina [24]

Answer:

Part A) D=70T

Part B) D=105\ miles

Step-by-step explanation:

Par A) Write an equation that relates the distance D this car travels in T hours

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

The speed is a proportional relationship between the distance and the time

Let

D ----> the distance in miles

T ----> the time in hours

so

D=kT

In this problem the constant of proportionality k represent the speed of the car in miles per hour

we have

k=70\ mi/h

substitute

D=70T

Part B) Use the equation to find the distance the car travels between 3:30 p.m. and 5:00 p.m

we know that

The time between 3:30 p.m. and 5:00 p.m is equal to

5:00 p.m-3:30 p.m=1.5 hours

so

For T=1.5 h

substitute in the equation and solve for D

D=70(1.5)

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