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Fittoniya [83]
3 years ago
9

Write the equation of the line that passes through the two points: (3, 1) and (7,9)​

Mathematics
1 answer:
Ksivusya [100]3 years ago
8 0

Answer:

y=2x-5

Step-by-step explanation:

the line equation

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What is the value of the 1 in the number 1,546,702?
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Solve the system of equations by graphing. y=-2x+1 y=-5x+4
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plot points

y=-2x+1

(0,1)

(1,-1)

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CarcuratOS 11.A credit card charges an annual rate of 18% compounded monthly. This month's bill is Rs. 35,000... Suppose that yo
ZanzabumX [31]

Answer:

FIRST QUESTION

It will pay the bill after 7.45 = rounding 8 months, being the last payment less than 5,000

The total interest for the period will be 2,263.04

SECOND QUESTION The rate will be 6%

Step-by-step explanation:

for the first part, we should calculate the time it takes to an ordinary annuity of 5,000 to have a present value of 35,000 at discount rate of 18%

C \times \frac{1-(1+r)^{-time} }{rate} = PV\\

C 5,000

time n

rate 0.015

PV $35,000.0000

5000 \times \frac{1-(1+0.015)^{-n} }{0.015} = 35000\\

We work out the formula:

(1+0.015)^{-n}= 1-\frac{35000\times0.015}{5000}

We solve the right side of th formula

and then apply logarithmics properties:

-n= \frac{log0.895}{log(1+0.015)

-n = -7.450765527

n = 7.45

It will pay the bill after 8 months.

Total Interest: we will build the loan schedule:

         Bill          Interest    Cuota&Amortization

1      35000        525&      5000          4475

2     30525        457.88    5000         4542.12

3     25982.88  389.74     5000        4610.26

4     21372.62   320.59     5000         4679.41

5     16693.21   250.4       5000          4749.6

6     11943.61    179.15       5000          4820.85

7      7122.76    106.84     5000           4893.16

8       2229.6    33.44      2263.04       2229.6

Total              2263.04   37263.04       35000

The total interest for the period will be 2,263.04

<u>Second question </u>we will solve for the rate at which a capital of 3,000 returns 5,372.54 after 10 years

Principal \: (1+ r)^{time} = Amount

Principal 30,00.00

Amount = 5,372.54

time 10.00

rate ?

3,000 \: (1+ r)^{10} = 5,372.54

r = \sqrt[10]{5,372.54/3,000} - 1

r = 0.059999939 = 0.06 = 6%

4 0
3 years ago
8,000 is ___ as 800. In multiplication equation
Cloud [144]

8000*.1=800 so the answer is 1/10 or .1

6 0
3 years ago
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