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EleoNora [17]
3 years ago
12

Write an equation for a line with a slope of (-2) and the point (5,9)

Mathematics
1 answer:
erastovalidia [21]3 years ago
5 0

Answer:

2x+y-19=0

Step-by-step explanation:

Slope = -2

The line passes through the points (5,9)

The equation of the line is

y-9 = -2(x-5) (Gradient and 1 point form)

y-9 = -2x+10

2x+y-19 = 0

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In a right triangle whose area is 12, each leg is as long as the side of a certain square. What is the area of the square?
kakasveta [241]
The area of a Square is 144 because 12x12 is 144 and if both sides are 12 then that equals 144. 

Hope this helps!
4 0
3 years ago
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Please help me i’m desperateeee!!!
lara31 [8.8K]

Answer:

option no.D

6y+15x

Step-by-step explanation:

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7 0
3 years ago
The quantities x and y are proportional.
irga5000 [103]

Answer:

r=1/4

Step-by-step explanation:

y=1/4*x

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3 years ago
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If s and t are integers greater than 1 and each is a factor of the integer n, which of the following must be a factor of n st ?
yulyashka [42]

Answer:

A) None

Step-by-step explanation:

1) s^t shoudnt neccesarily be a factor of nst, for example, if s = 3, t = 4, and n = 12, then both s and t are factors of n, but 3^4 = 81 is not a factor of nst = 144.

2) (st)^2 shoudnt neccesarily be a factor of nst. Let s be 4, let t be 6, and let n be 12. Then n is a factor of both s and t, but (st)^2 = 24^2 is not a factor of nst = 12*24. In fact, it is a greater number.

3) Again, s+t isnt necessarily a factor of nst, let s be 2 and t be 3. Then both s and t are factor of n = 12. However 5 = s+t is not a factor of nst = 72.

So, neither of the three options is guaranteed to be a factor of nst. In fact, for s = 4, t = 6, and n = 12, none of the three options are valid.

4 0
3 years ago
What is the discriminant of the quadratic equation 0 = –x2 + 4x – 2?<br><br> –4<br> 8<br> 12<br> 24
monitta

Answer:

8

Step-by-step explanation:

0 = –x^2 + 4x – 2

This is of the form

ax^2 +bx +c

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The discriminant is

b^2 -4ac

4^2 - 4(-1)(-2)

16 - 8

8

6 0
2 years ago
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