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alina1380 [7]
2 years ago
13

2. If r=7 is a solution to -6r+18=k(x-15), then which of the following must be the value of K?

Mathematics
1 answer:
Radda [10]2 years ago
6 0

Answer: (1)-8

Step-by-step explanation: −6r+18=k(x−15)

Step 1: Flip the equation.

kx−15k=−6r+18

Step 2: Factor out variable k.

k(x−15)=−6r+18

Step 3: Divide both sides by x-15.

k(x−15)/x-15 =

−6r+18/x-15

k= −6r+18/x-15= -8

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The change in profit from 3 days to 8 days = 74 - 59 = $15

The number of days is 8-3 = 5 days

The change per day is 15 / 5 = $3 per day.

The answer is A. $3

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Find all solutions to the system: <br> 5x-3y=2, <br> 15x+6y=6
meriva

Answer:

2/5   0

Step-by-step explanation:

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3 years ago
When point A( 3, 1) is translated 2 units to the right and 6 units up the coordinates of point A'
9966 [12]

Answer:

A' = (5,7)

Step-by-step explanation:

So, we start with the original point A at (3,1), that means x = 3 and y = 1.

We move it 2 units to the right... so we're moving along the X-axis... and we're moving to the right.. so we're increasing the value of x.  That means starting with x = 3, we go 2 more units... we then get to x = 5.

In the same way, we move 6 units up... so we move along the Y-axis.  We go up, so we also increase the value of y.  Starting with y = 1, we move up by 6 units... so we are now at y = 7.

A' point is then at (5,7).

3 0
2 years ago
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atroni [7]

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Irrational

Step-by-step explanation:

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Yuki888 [10]

Michelle's  balance after 8 years is $10,790.48.

Kristen's balance after 8 years is $3,770.55.

Gabriella's balance after 8 years is $24,780.42.

Judy's balance after 8 years is $3618.62.

The person with the most money at the end of the 8 years is Gabriella. If I were to choose one of the options, I would choose Gabriella's option

<h3>What is Michelle's balance after 8 years?</h3>

The formula that can be used to determine the future value of an amount with compounding is:

FV = P (1 + r)^nm

Where:

  • FV = Future value
  • P = Present value
  • R = interest rate / number of compounding
  • m = number of compounding
  • N = number of years

Future value with monthly compounding = $2000 x ( 1 + 0.035/12)^(12 x 8) = $2645.18

Future value with continuous compounding =  : A x e^r x N

  • A= amount
  • e = 2.7182818
  • N = number of years
  • r = interest rate

1000 x e^0.018 x 8 = $8,145.30

Total = $8,145.30 + $2645.18 = $10,790.48

<h3>What is Kristen's balance after 8 years?</h3>

Future value with quarterly compounding = 2500 x (1 + 0.012 / 4)^(4 x 8) = $2,751.50

Future value with quarterly compounding = 500 (1 .0225)^(8x4) = $1019.05

Total = $3,770.55

<h3>What is Gabriella's balance after 8 years?</h3>

$3000 x e^0.032 x 8 = $24,780.42

<h3>What is Judy's balance after 8 years?</h3>

Future value with exponential increase = 1050 x (1.015)^8 = $1,182.82

Future value with biannual compounding = 1950 x (1 + 0.028/2)^(8 x 2) = $2435.80

Total = $3618.62

To learn more about future value, please check: brainly.com/question/18760477

5 0
2 years ago
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