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ExtremeBDS [4]
4 years ago
7

Sarah takes out a loan for $30,000. She has two choices for the loan; a 5 year loan with 5% simple interest or a 7 year loan wit

h 4% compound interest. What is the difference in the amount of interest she would owe?
Question 5 options:

$1,189.50


$31,977.95


$1,977.95


$900
Mathematics
1 answer:
Karo-lina-s [1.5K]4 years ago
5 0

Answer: Is 1,977.95

Have a great day btw

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there are 12 eggs of the same weight on the scale. the total weght is 620g determine the total weight if the number of eggs is i
Phoenix [80]

Answer:

1033.2 g or 1.033 kg

Step-by-step explanation:

(620/12)(20) = 1033.2 g

3 0
3 years ago
You want to estimate the mean weight loss of people one year after using a popular weight-loss program being advertised on TV. H
maria [59]

Answer:

At least 6907 people.

Step-by-step explanation:

Population std deviation = sigma= 10.6

Since population std deviation is known, we can use normal probability table to get sample size from confidence interval.

The sample mean weight loss is within 0.25 lb of the true population mean.

Hence  margin of error < 0.25

Margin of error = z critical (std dev/n) where n = sample size

Z critical for 95% = 1.96

Hence 0.25 >1.96(10.6)/sq rt n

Simplify to get

sq rt n > 1.96(10.6)/0.25 = 83.104

Square both the sides to get

n > 83.104 square = 6906.27

i.e. sample size should be atleast 6907.

3 0
3 years ago
What must be added to x² + 6x²-x+ 5 to make it exact divisible by (x + 3)​
maxonik [38]

Let f(x) = x² + 6x²-x+ 5 then ,

number to be added be P

then,

f(x) = x² + 6x²-x+ 5 +P

According to the qn,

(x+3) is exactly divisible by zero then,

R=0

comparing .. we get a= -3

now by remainder theorm

R=f(a)

0=f(-3)

0=(-3)² + 6(-3)²-(-3)+ 5 + P

0= 9 + 54 + 3 + 5 + P

-71=P

therefore, -71 should be added.

Hope you understand

4 0
2 years ago
Planes Q and R are parallel. Lines a and b are shown on planes Q and R, respectively.
Akimi4 [234]

Answer:

c) they are screw lines

Step-by-step explanation:

A and B will intersect but never create a 90 degree angle. It comes at and angle smaller

8 0
2 years ago
There was a population of 240 moose in a National Park. After a year, the population increased by 25%.
Stels [109]
Population of moose in the national park = 240
percentage increase in the population of moose in the national park after a year = 25%
Then
Amount of increase in the population
Of moose in the national park in a year = (25/100) * 240
                                                               = 240/4
                                                               = 60
So
The number of moose present after 1 year
in the national park = 240 + 60
                                = 300
So from the above deduction we can easily conclude that the number of moose in the national park after a year is 300.
6 0
3 years ago
Read 2 more answers
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