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bekas [8.4K]
2 years ago
7

If two lines are perpendicular, which statement must be true? A) The product of their slopes is 1. B) Their slopes are opposites

. C) Their slopes are equal. D) The product of their slopes is -1.
Mathematics
1 answer:
castortr0y [4]2 years ago
4 0
If two lines are perpendicular, the statement that must be true is : D. The product of their slopes is -1

Lets say that a line has a slope of 2, the line which perpendicular to that line would have a slope of -1/2

Which means, the product would be 2(-1/2) = -1

hope this helps
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stepladder [879]

Answer:

  • B. -9, -5, -1

Step-by-step explanation:

<u>Solve the inequality:</u>

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Correct choice is B

4 0
2 years ago
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olga nikolaevna [1]

Answer:

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Step-by-step explanation:

.

5 0
2 years ago
Could someone help me with this?
umka2103 [35]
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Find area of one triangle
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Area of triangle = 1/2 x base x height
Area of triangle = 1/2 x 9 x 11.75
Area of triangle = 52.875 ft²

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Find area of two triangles
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Area of 2 triangles = 52.875 x 2 
Area of 2 triangles = 105.75 ft²

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Find the cost of the flower beds
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1 ft² = $4.25
105.75 ft² = 105.75 x 4.25
105.75 ft² = $449.44 (nearest hundredth)

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Answer: $449.44
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8 0
2 years ago
If 8 feet of fencing costs $12.40 , how much does 36 feet of fencing cost?
Vesnalui [34]

Answer:

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Step-by-step explanation:

8, 16, 24, 32, 36

8=12.40, 16=24.80, 24=37.2, 32=49.6,

+4 makes it 36 so it's have of 8, so add 6.20 to the end and it's 55.80

6 0
2 years ago
What is the inverse of this function
just olya [345]
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y = (25 - x)/5         Now switch the x and y

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5x = 25 - y
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6 0
3 years ago
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