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vodomira [7]
3 years ago
14

The table shows the amount of money that Bradford saved in his savings account after different amounts of time.

Mathematics
2 answers:
DochEvi [55]3 years ago
3 0
Nice of you to offer 50 points

the constant of proportinality is the sloep or
\frac{change(y)}{change(x)}
x is independent variable and y is dependent variable

the independent variable influences the value of the dependent variable

in this case, the number of months influences the amount of money saved

to find the slope, you do
x=number of months
y=amount

we have
4months, $50
8 months, $100
18 months, $225

or
(x,y)
(4,50)
(8,100)
(18,225)

we can compare

the slope between the points (a,b) and (c,d) is
(d-b)/(c-a)
we can take the slope between any 2 points (assuming the slope is the same, which it is)

(4,50) and (8,100)
slope=(100-50)/(8-4)=50/4=25/2=12.5

the slope is 12.5

2nd option is the answer
Vadim26 [7]3 years ago
3 0
The constant property of the equation is 12.5
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Murrr4er [49]
A) -2.8 > -3.5 is true. There are infinite solutions.
B) -7.75 < -8.45 is false. There is no solution.
C) 6.52 < 6.5 is is false. There is no solution.
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3 0
3 years ago
You wish to buy a house for ​$295987. The bank offers you a mortgage loan of 3.7​% for 25 years. How much will your monthly paym
Allisa [31]

Answer:

Monthly payments: $2446.92

Total expenditure: $734,076.88

Step-by-step explanation:

As the compounding frequency is not stated, it is supposed to be annualy.

<em>The total accumulated value T, including the loan L and the interest is given by the formula </em>

T=L(1+\frac{r}{n})^{nt}

where

L = Amount of the loan

r = nominal interest per year. In this case, 0.037

n = compounding frequency, in this case 1 year

t = the length of time the interest is applied. In this case, 25                      years.

The total amount after 25 years will be

T=295987(1+0.037)^{25}=295987(1.037)^{25}=734076.88

There are 25 times 12 = 300 months in 25 years, so the monthly payments would be

\frac{734076.88}{300}=\$2446.92

After the life of the loan, if there are no additional commissions  or expenditures, you would have spent the amount of the loan plus interest, that is to say, the amount T previously computed  

$734076.88

8 0
3 years ago
What is the solution to the equation fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n?
photoshop1234 [79]

Answer:

value of n = 2

Step-by-step explanation:

\frac{4}{5n}-\frac{1}{5}=\frac{2}{5n}

We need to solve the above equation.

Find Least Common multiplier from 5n, 5 = 5n

Multiply both sides of the equation by 5n

\frac{4}{5n}*5n-\frac{1}{5}*5n=\frac{2}{5n}*5n\\Solving:\\4 -n = 2\\

Now finding the value of n.

Adding -4 on both sides

4 -n-4 = 2-4\\-n= -2

Multiplying both sides by -1

n = 2

The value of n is 2.

We can verify by putting value of n in the given question.

\frac{4}{5n}-\frac{1}{5}=\frac{2}{5n}\\n=2\\\frac{4}{5*2}-\frac{1}{5}=\frac{2}{5*2}\\\frac{4}{10}-\frac{1}{5}=\frac{2}{10}\\\frac{2}{5}-\frac{1}{5}=\frac{1}{5}\\\frac{2-1}{5}=\frac{1}{5}\\\frac{1}{5}=\frac{1}{5}

So, value of n = 2

5 0
2 years ago
After a 20% discount, you pay<br> $140 for a skateboard. What<br> was the original price?
Ksivusya [100]

Answer:

Step-by-step explanation

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7 0
3 years ago
Read 2 more answers
How can you analyze connections between linear equations and use them to solve problems​
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Answer:



Step-by-step explanation:

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6 0
3 years ago
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