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stiks02 [169]
3 years ago
14

AB contains the points A(7, -11) and B (8, 17) Find the slope of a line perpendicular to AB.

Mathematics
1 answer:
lesya692 [45]3 years ago
6 0
The slope of the line containing the points is 28... we need the negative reciprocal of this for the slope of line perpendicular.. 

So the slope would be: choice B
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A factory makes rods by cutting plastic pipes that are 5 feet long into eight rods how long is each rod ?​
Verizon [17]

Answer:

0.625 feet long

Step-by-step explanation:

To find how long each rod is, divide 5 by 8, since the 5 feet pipes will become 8 rods:

5/8

= 0.625

So, each rod will be 0.625 feet long

8 0
2 years ago
Determine the constant of proportionality in each of the representations below.
cluponka [151]

Answer:

Pretty sure is 15

Step-by-step explanation:

90 divided by 6 is 15.

7 0
3 years ago
Read 2 more answers
In one school, a half of all students who like math like science as well. Also, in that school, a third of all students who like
Marizza181 [45]

Answer: 2/3

Step-by-step explanation:

N is the total number of students

M is the number of students thta like math

S is the number of students that like science.

We know that half of the elements in M also are elements from S

And a third of the elements of S also are elements of M

And because those elements are common elements for both sets, we should have that:

M/2 = S/3

then we have that:

M = (2/3)*S

The ratio is 2/3

this means that the number of students that like math is 2/3 times the number of students that like science.

6 0
3 years ago
Read 2 more answers
–9x + 9y = 9<br> y = –7<br><br> (<br> , <br> )
Y_Kistochka [10]

Answer:

x=-8

(-8,-7)

Step-by-step explanation:

–9x + 9y = 9

–9x + 9(-7) = 9 (y=-7)

-9x-63=9

Both side +63

-9x=63+9

-9x=72

Both side divide   -9

x=-8

y=-7

(-8,-7)

6 0
2 years ago
What is sin(A)?<br> 13<br> 12<br> A<br> 5<br> sin(A) =
eimsori [14]

Answer:

sin A = 12/13

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

 sin theta = opposite side/ hypotenuse

sin A = 12/13

6 0
2 years ago
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