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tia_tia [17]
2 years ago
7

Which Two equations below are perpendicular?

Mathematics
1 answer:
UkoKoshka [18]2 years ago
3 0

Answer: The answer is the second equation (y = 3x-4 and y = -1/3x - 2)

Step-by-step explanation:

This is because two lines are perpendicular when the slopes of the equations are negative reciprocals from each other.

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The price of Stock A at 9 AM. was $13.38. Since then, the price has been increasing at the rate of $0.12 each hour. At noon the
Sonbull [250]

<u><em>Answer:</em></u>

<u><em>2 2/15 hours from noon the stock prices will be the same.</em></u>

<u><em>Step-by-step explanation:</em></u>

<u><em>Sorry if it's incorrect.</em></u>

3 0
3 years ago
The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that
Nady [450]

Step-by-step explanation:

2×length + 2×width = 45

length = 4×width

now, we are using the second equation (a variable identity) in the first equation

2×4×width + 2×width = 45

8×width + 2×width = 45

10×width = 45

width = 45/10 = 4.5 in

length = 4×width = 4×4.5 = 18 in

the area of the rectangle is

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8 0
2 years ago
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nasty-shy [4]

Answer:

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7 0
3 years ago
Read 2 more answers
D) - 15/3 = x + 1<br> how do i solve this
kobusy [5.1K]

Answer:

x = - 6

Step-by-step explanation:

- 15/3 = x + 1

- x = 1 + 15/3

- x = 3/3 + 15/3

- x = 18/3

x = - 18/3

x = - 6

6 0
3 years ago
The bus fare without a coupon book is $1.50 a coupon book cost $30.00, with the coupon book the fare is reduced $0.50. How many
valentina_108 [34]

Answer: the bus would be used 30 times for the monthly costs to be the same.

Step-by-step explanation:

Let x represent the number of times in a month for which the bus must be used so the total monthly cost is the same with the book as it is without it.

The bus fare without a coupon book is $1.50. This means that the total monthly cost of using the bus for x times without a coupon book is 1.5x

A coupon book cost $30.00 and with the coupon book, the fare is reduced $0.50. This means that the total monthly cost of using the bus for x times with a coupon book is

0.5x + 30

For the monthly costs to be the same,

1.5x = 0.5x + 30

1.5x - 0.5x = 30

x = 30

3 0
3 years ago
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