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3 years ago

Please Advise What is the slope of the line -7y + 8x = 9 (2x3)(5x7)

Mathematics

2 answers:

belka [17]3 years ago

8 0

Answer:

8/7

Step-by-step explanation:

to get the slope, get the equation to the y=mx+b form. to do that, subtract 8x from both sides, you will get -7y=-8x+9, then, to get y by itself, divide by -7, you will then get y=8/7x-9/7. the 8/7 is the slope! Hope this helps :)

Mashutka [201]3 years ago

4 0

Answer:

8/7

Step-by-step explanation:

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Brainly y=-1/3x+5 graph

Wewaii [24]

Answer:

The answer will be listed below.

Step-by-step explanation:

To graph the equation, first mark down your y-intercept which would be 5. Look at the y-axis and put a dot on 5. Now you must graph the slope of the line. To graph the slope, you would use rise/run (1/3). You would start on 5 and go up one and to the right three times. Keep repeating the process until you run out. Now draw the line through the dots and you did it!

8 0

2 years ago

Is ab perpendicular to cd ? Explain.

Afina-wow [57]

We know that
if two lines are perpendicular
then
the slopes
m1*m2=-1

step 1
find the slope AB
A (0,2)
B (-3,-3)
m=(y2-y1)/(x2-x1)-----> m=(-3-2)/(-3-0)-----> m=-5/-3----> m1=5/3

step 2
find the slope CD
C (-4,1)
D (0,-2)
m=(y2-y1)/(x2-x1)-----> m=(-2-1)/(0+4)-----> m=--3/4----> m2=-3/4

step 3
multiply mi*m2
(5/3)*(-3/4)-----> -15/12
so
15/12 is not -1
therefore
AB is not perpendicular to CD

4 0

3 years ago

I need help is it A B C or D

harina [27]

We evaluate b^2 - 4ac. If the answer is positive, then there are two real solutions. If it is zero, there is one real solution. If it is negative, there are 2 complex solutions. In this equation, a = 1, b = 5, c = 7. Now we plug in the numbers.

$5^{2}-4*1*7=1$

Because this answer is positive, there are two real solutions.

7 0

3 years ago

Read 2 more answers

3. Jolene gets paid 17 cents a tree for tree planting up north. In one week she planted 2437 trees. What i

mafiozo [28]

Answer:

Wage of Jolene is 414.29 dollars per week

Step-by-step explanation:

Amount received by Jolene for planting a tree is 17 cents

Given

Total amount of trees planted in a week = 2437

Wage of Jolene is equal to product of number of trees planted and amount paid for planting one tree

Wage of Jolene

$= 2437 * 0.17\\= 414.29$ Dollars

4 0

2 years ago

PLEASE HELP

enot [183]

Answer:18.9 miles

1 inch=5.4

3.5 inches =3.5×5.4

=18.9miles

hope this helps

please like and mark as brainliest

7 0

3 years ago