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Triss [41]
2 years ago
13

Two lines are perpendicular. The first line passes through (1, –3) and has a y-intercept of (0, 3). Which of the following canno

t be the equation of the second line?
Mathematics
1 answer:
777dan777 [17]2 years ago
4 0

Answer:  x + 2y = -4

Step-by-step explanation: because it is more than -3 it is -4 so that is the answer

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Please help me. I don’t understand this at all...
mylen [45]
Problem 1

With limits, you are looking to see what happens when x gets closer to some value. For example, as x gets closer to x = 2 (from the left and right side), then y is getting closer and closer to y = 1/2. Therefore the limiting value is 1/2

Another example: as x gets closer to x = 4 from the right hand side, the y value gets closer to y = 4. This y value is different if you approach x = 0 from the left side (y would approach y = 1/2)

Use examples like this and you'll get the results you see in "figure 1"

For any function values, you'll look for actual points on the graph. A point does not exist if there is an open circle. There is an open circle at x = 2 for instance, so that's why f(2) = UND. On the other hand, f(0) is defined and it is equal to 4 as the point (0,4) is on the function curve.

=======================================================

Problem 2

This is basically an extension of problem 1. The same idea applies. See "figure 2" (in the attached images) for the answers. 

6 0
2 years ago
A store pays $399 for a waterheater. The store marks up the price by 42% . What is the amount of the mark-up?
Lelu [443]

Answer:

Step-by-step explanation:

399*42%= 167.58 the mark up amount

399+167.50=566.50 total

3 0
2 years ago
Mike wrote down a number on a piece of paper and hid it from his friends. He rounded his number to different places and his frie
Naddik [55]

Answer: 145,998, 7,000, and 25,991

My guess :))

Step-by-step explanation:

145,998  7,002  4,506  26,991   12,497

<u>First, Mike rounded his number to the nearest ten</u>

146,000  7,000  4,510   27,000   12,500

<u>Then, he rounded his number to the nearest hundred.</u>

146,000  7,000  4,500  27,000   12,500

<u>Last, he rounded his number to the nearest thousand.</u>

146,000  7,000  5,000  27,000   12,000

3 0
2 years ago
A swimming pool at a park measures 9.75 meters by 7.2 meters the area of the playground is one and half times that of the swimmi
ElenaW [278]
9.75 x 7.2 = 70.2
Swimming Pool Area: 70.2
The Park Area: 70.2 x 1.5 = 105.3
Total Area of both Swimming Pool & Park area: 70.2 + 105.3 = 175.5
Final Answer: 175.5
8 0
3 years ago
how can you tell before you divide 425 by 9 that the first digit of the quotient is in the tens place?
Goshia [24]
I don't understand that question
4 0
2 years ago
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