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Fantom [35]
3 years ago
7

Josh earns $2700 each summer and puts the money in a savings account with a 4.5% simple interest rate. If he deposits the same a

ccount each year, how much money will he have at the end of his third summer?
Mathematics
1 answer:
lys-0071 [83]3 years ago
7 0

Answer:

he will have 8,829 dollars after 3 summers

Step-by-step explanation:

by using the cross multiplication method you can calculate how much interest is gathered after each year  

eventually after 3 summers interest has built up he would have 8,829 dollars including the 2,700 he earned each year

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Rachel is calculating the interest earned on a deposit of $350 in an account that earns 6% simple interest after 15 years.
alukav5142 [94]

Answer:

$315

Step-by-step explanation:

You are going to want to use the simple interest formula for this. The one below is modified for solving the interest earned.

I = interest amount

P = principal amount

r = interest rate (decimal form)

t = time

Now we can plug in the values into the equation:

This means that Rachel earned $315 worth of interest in the 15 year period.

8 0
2 years ago
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Solve the following system of equations:<br> -2x+y= 1<br> -4x+y= -1
lara31 [8.8K]
The solutions to this equasion are x = 0 and y=1. 
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3 years ago
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Gas mileage is the number of miles you can drive on one gallon of gas. a test of a new car results in 450 miles on 10 gallons of
In-s [12.5K]
A.
miles per gallon
given
450 miles on 10 gallons
450/10=45/1=45mi/1gal
45mpg

the milage is 45 miles per gallon



b.
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6 0
3 years ago
A data set includes systolic blood pressure measurements from 147 adult females. If we compute the values of sample statistics f
Semmy [17]

Answer:

Sample mean

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Sample proportion

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6 0
3 years ago
Find the angle between the given vectors to the nearest tenth of a
pochemuha

Answer: 109.1 degrees

Step-by-step explanation:

To find the angle between the given vectors, we will use the formula below:

Cos(θ) = (U.V)/ |U|.|V|

Where

U = 13i - 8j

V = 2i + 9j

U.V = (2x13) + (-8×9)

U.V = 26 - 72

U.V = - 46

|U| = sqrt ( 13^2 + 8^2)

= sqrt ( 233) = 15.264

|V| = sqrt( 2^2 + 9^2)

= sqrt ( 85 ) = 9.22

Substitute all the value of the parameters into the formula

Cos ø = -46 / (15.3 × 9.2)

Cos ø = - 46 / 140.72

Cos Ø = - 32687

Find the cos inverse of the value

Ø = cos^-1( -32687)

Ø = 109.079 degrees

Therefore, the angle between the given vectors to the nearest tenth of a degree is 109.1 degrees

6 0
3 years ago
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