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3 years ago

What is the slope of the line through (-9, 6) and (-6, -9)?

1 answer:

7 0

The answer is C, you use the equation for slope, m=y-y/ x-x . I used to get really confused by these but what I found easy was writing out the two points and labling them (x1,y1) and (x2,y2). Don’t get confused by the numbers that follow x and y , they aren’t exponents they are just so you know what goes where. Hope this helped

You might be interested in

Write this expression into a 2 step equation: 14 more than twice a number.

ratelena [41]

Answer:

let no. be n

14+2n=0

2n=-14

n=-7

3 0

3 years ago

Find the given elements of matrix D:

kotegsom [21]

wait what i dont understand

5 0

3 years ago

Needs to be in fraction form and simplified 3 4/5 + 4 5/6 =? 10 points

LenaWriter [7]

Answer:

259/30 or 8 19/30 depending on what format your teacher wants the answer

Step-by-step explanation:

First we can turn both mixed fractions into improper fractions and to do that we multiply the whole number by the denominator and that add that to the top number. So for 3 4/5 we would multiply 3 and 5 and than add 4 getting us to 19/5 doing the same to 4 5/6 gets us to 29/6. Now in order to add fractions we need to get a common denominator. The least common multiple of 5 and 6 is 30 so we will multiply each fraction by whatever number will give us 30 in the denomiator. for 19/5 that number is 6 so our new fraction is 114/30 and for 29/6 that number is 5 so our new number is 145/30. Now we just add the numerators and simplify. 114/30+145/30=259/30

I hope this helps and please don't hesitate to ask if there is anything still unclear!

6 0

3 years ago

What is the solution to the system x+y=10 3y=-3x+30 PLEASE helpppp

choli [55]

Answer:

Step-by-step explanation:

x+y=10

x=10-y

x=10-5

x=5

3y= -3x+30

3(10-y)= -3(10-y)+30

30-3y= -30+3y+30

30+30-30=6y

30=6y

y=5

6 0

3 years ago

Find the coordinates of d if e is the midpoint of CD for C(-3, 4) and E(0, 1).

Yanka [14]

Answer:

D(3;-2).

Step-by-step explanation:

1) $X_D=2*X_E-X_C;\\Y_D=2*Y_E-X_C.$

2) according to the formulas above:

$X_D=2*0+3=3;\\Y_D=2*1-4=-2.$

3) finally, D(3;-2).

8 0

3 years ago