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BaLLatris [955]
3 years ago
13

Determine if the lines are parallel, perpendicular or neither y=-3/2x-4 and y=2/3x-7

Mathematics
1 answer:
aliya0001 [1]3 years ago
4 0

Answer:

<u>They are perpendicular</u>

Step-by-step explanation:

Perpendicular lines have slopes that are negated versions of the other or positive versions of the slope of the other. The slopes are also flipped.

Parallel lines have the same slope.

Neither is when the lines do not follow either of these definitions.

The slope of your two lines are -3/2 and 2/3. These slopes are flipped and the opposite negations of each other. <u>This means the lines are perpendicular.</u>

<u />

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What is the surface area of the regular pyramid given below?
yuradex [85]

For this case we have by definition, that the total surface area of a regular pyramid with a square base is given by:

SA = \frac {1} {2} p * S + A_ {b}

Where:

p: It is the perimeter of the base

S: It's the inclination

A_ {b}: It is the area of the base

Substituting:

A_ {b} = 7 ^ 2 = 49units ^ 2\\p = 7 + 7 + 7 + 7 = 28units\\S = 10units\\SA = \frac {1} {2} 28 * 10 + 49\\SA = 140 + 49\\SA = 189 \ units ^ 2

ANswer:

Option B

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3 years ago
Based on the attendance at past picnics, Luis expects 95% of the students in his class to attend this years picnic. If 120 stude
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Answer:

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3 years ago
Toms Toy car went 2 meters without stopping Roberts went 145 centimeters whose car went farther
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Answer:

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Since there are 100 centimeters in 1 meter - Roberts car went nearly 1 and a half meters or Tom's car went 200 centimeters.

6 0
2 years ago
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The ratio of red marbles to blue marbles is 3:5. If there are 360 marbles total in the collection, how many of each color are th
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Find each product.<br><br> 1. (5a3b)(2ab)<br><br> 2.5y(-y2+7y-2)<br><br> PLEASE HELP!!?!
maks197457 [2]

Answer:

<h2>1).</h2>

(5a3b)(2ab)

Expand

That's

15ab( 2ab )

we have the answer as

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<h2>2).</h2>

5y(-y² + 7y - 2)

Expand

That's

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Hope this helps you

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3 years ago
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