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svetoff [14.1K]
3 years ago
15

Which is an equation in point-slope form for the line that passes through the points (−1,4) and (3,−4) ?

Mathematics
2 answers:
GuDViN [60]3 years ago
5 0
(-1,4)(3,-4)
slope = (-4 - 4) / (3 - (-1) = -8/)3 + 1) = -8/4 = -2

y - y1 = m(x - x1)
slope(m) = -2
(3,-4)...x1 = 3 and y1 = -4
now we sub
y - (-4) = -2(x - 3) =
y + 4= -2(x - 3) <====
natulia [17]3 years ago
3 0

Answer:

y+4=-2[x-3]

Step-by-step explanation:

i took the test

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To begin solving we subtract 3 from each side

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Next, we divide both side by 4

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Evan has a loyalty card good for a discount at his local hardware store. The item he
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Fudgin [204]

Answer:

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Step-by-step explanation:

Pythagorean theorem

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8 0
3 years ago
Find the future value and interest earned if $8704.56 is invested for 8 years at 4% compounded (a) semiannually and (b) continuo
Sliva [168]

a) The future value, principal plus interest, with compound interest on a principal of $8,704.56 at a rate of 4% per year compounded 2 times per year over 8 years is <u>$11,949.50</u>.

b) The future value, principal plus interest, with compound interest on a principal of $8,704.56 at a rate of 4% per year compounded continuously over 8 years is <u>$11,987.29</u>.

<h3>How is the future value determined?</h3>

The future value can be determined using an online finance calculator.

Data and Calculations:

<h3>a) Compounded Semiannually:</h3>

Principal (P): $8,704.56

Annual Rate (R): 4%

Compound (n): Compounding Semi-Annually

Time (t in years): 8 years

<u>Result</u>:

A = $11,949.50

A = P + I where

P (principal) = $8,704.56

I (interest) = $3,244.94

<h3>Calculation Steps:</h3>

First, convert R as a percent to r as a decimal

r = R/100

r = 4/100

r = 0.04 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 8,704.56(1 + 0.04/2)(2)(8)

A = 8,704.56(1 + 0.02)(16)

A = $11,949.50

<h3>b) Compounded Continuously:</h3>

Using the formula A = Pert

Principal (P):  $8,704.56

Annual Rate (R): 4%

Compound (n): Compounding Continuously

Time (t in years):   8 years

<u>Result</u>:

A = $11,987.29

A = P + I where

P (principal) = $8,704.56

I (interest) = $3,282.73

<h3>Calculation Steps:</h3>

First, convert R as a percent to r as a decimal

r = R/100

r = 4/100

r = 0.04 rate per year,

Then solve the equation for A, using the mathematical constant, e = 2.71828

A = Pert

A = 8,704.56(2.71828)(0.04)(8)

A = $11,987.29

Thus, while the future value of $8,704.56 at a rate of 4% per year compounded semiannually over 8 years is <u>$11,949.50</u>,  the future value of $8,704.56 at a rate of 4% per year compounded continuously over 8 years is <u>$11,987.29</u>.

Learn more about compounding interest at brainly.com/question/24274034

#SPJ1

8 0
2 years ago
Is y2=x-1 a function i will give brainliest
adelina 88 [10]
I don’t think it issss
6 0
3 years ago
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