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Zina [86]
3 years ago
13

Which of the lines is perpendicular to the line shown in the graph

Mathematics
1 answer:
Nitella [24]3 years ago
4 0

Answer:

The line passing through (-8, 10) and (-1, 4).

Step-by-step explanation:

Two lines are perpendicular if the product of their slopes is -1. The slope of the line in the picture is 7\over 6, so we should find a line with slope of -6\over 7.

Note that the slope of the line in the last option is -7\over 6.

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Using the equation y = 3x – 5, what would the output be for an input of 4
SSSSS [86.1K]
The input is the x-coordinate and the output is the y-coordinate. If the input is 4, plug 4 into the x variable to find the output, y.

y=3(4)-5
y=12-5
y=7

The output is 7.
8 0
2 years ago
Read 2 more answers
2. You need to buy grass seed for a new lawn. The lawn will cover a rectangular plot that is 60 feet by 90 feet. Each ounce of g
Mama L [17]

Answer:

45 oz

Step-by-step explanation:

first you need to find the are of the yard. To do that you multiply the length by the width: 60x90=5400 feet

next you divide by 120: 5400/120=45

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6 0
3 years ago
Which of the following is not equivalent to 1/25?
taurus [48]
 The answer is D. 5^-2 times 5^4.
3 0
3 years ago
The vertices of a triangle are labeled clockwise A(–5, 3), B(6, 1), and C(–2, –3). How could you show that the figure is a right
mafiozo [28]

Explanation:

When the points are plotted on a graph, it is easy to see that the slope of AC is -2 and the slope of BC is 1/2. These slope values have a product of -1, so the corresponding line segments are perpendicular to each other.

___

If you have studied vectors, you can find the dot product of AC with BC:

  AC = (-5, 3) -(-2, -3) = (-3, 6)

  BC = (6, 1) -(-2, -3) = (8, 4)

The dot product is ...

  (-3, 6)·(8, 4) = (-3)(8) + (6)(4) = -24+24 = 0

When the dot product of vectors is zero, they are perpendicular.

5 0
3 years ago
Which expression is equivalent to 3 + 5(2x + 9) - 3
Sladkaya [172]

Answer:

12

Step-by-step explanation:

5 0
3 years ago
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