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Andrews [41]
4 years ago
12

One line passes through the points (-7,-4) and (5,4). Another line passes through points (-4,6) and

Mathematics
1 answer:
Kay [80]4 years ago
7 0

Answer:

Perpendicular

Step-by-step explanation:

Let's first get the slopes and see if we can go on from that.

(-7,-4 ) and (5,4) have a slope of : 2/3

(-4/6) and (6,-9) have a slope of : -3/2

This means that they are perpendicular because the slope of line #2 is the reverse and reciprocal of line #1 which follows the perpendicular rule.

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Segment AB has endpoints with coordinates A: (-4, -7) and B: (8, -4). Determine the value of the x-coordinate of the interior po
Nadusha1986 [10]

Answer:

 ≈ <em>3.4</em><em> </em>

Step-by-step explanation:

Coordinates of the point that divide segment with endpoints A( x_{1} , y_{1} ) and B( x_{2} , y_{2} ) in a ratio a : b are

\frac{bx_{1} +ax_{2} }{a+b} , \frac{by_{1} +ay_{2} }{a+b} )

A(- 4, - 7)

B(8, - 4)

Ratio 8 : 5

x-coordinate is \frac{5(-4)+8(8)}{8+5} = \frac{44}{13} ≈ <em>3.4</em>

3 0
3 years ago
If f(x) = 5x + 7 and g(x) = sqrt(x + 6) , which statement is true? A) 9 is NOT in the domain of f g B) 9 IS in the domain of f g
natali 33 [55]

Answer 9 is in the domain of f g

Step-by-step explanation:

3 0
3 years ago
I know this is super easy but i'm stupid please help!! (3/4)^3= ???
ololo11 [35]

\huge\sf {\dag Question}

\large\sf { {\dfrac{3}{4}}^{3}}

\huge\sf {\dag Solution }

\large\sf { \leadsto \dfrac{3 \times 3 \times 3}{4 \times 4 \times 4}}

\large\sf { \leadsto \dfrac{27}{64} (Ans) }

6 0
3 years ago
The surface area of a typical classroom floor is closest to______.
avanturin [10]
Answer would be C. Why A would be incorrect: 100m^2 is 100m × 100 m. That would be as big as a football field. Why B would be incorrect: 1cm^2 is 1cm × 1cm. You can use a regular 15 cm to measure a piece of paper with the length of 1cm each side. Why C would be correct: 1m^2 = 1m × 1m and it is also equals to 60cm × 60 cm. A 1 meter ruler = 60 cm = 4 times of your average 15 cm ruler. So, it is reasonable that a classroom is 10m by 10m in length and breadth. Why D would be incorrect: The same explanation applies to here as well. Things that can be measured with 1m × 1m is a square table so your classroom can't be that small to fit an average of 30 to 40 students in there. I hope my explanations were detailed and easy to understand. :)
4 0
3 years ago
Read 2 more answers
How to find the median of 26,34,38,49,65,75,81
11111nata11111 [884]

To find the median you line the numbers up in numerical order then you find the one in the middle.

If there are 2 numbers  in the middle take the smaller and subtract it from the larger

4 0
3 years ago
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