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Zielflug [23.3K]
2 years ago
10

Which lines are perpendicular to 2x−7y=−25? Select all that apply.

Mathematics
2 answers:
PtichkaEL [24]2 years ago
7 0
A because it is the right answer
Dima020 [189]2 years ago
5 0

Answer:

B and D

Step-by-step explanation:

slope = 2/7

perpendicular equals negative reciprocal

so slope must be -7/2

A = 2/7

B = -7/2

C = 7/2

D = -7/2

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Find the slope of the line passing through the points of (3,-5) and (-9,-6)
slavikrds [6]

Answer:

1

m = ---

12

Step-by-step explanation:

The formula is y2-y1

---------

x2-x1

(x1,y1) (x2,y2)

(3,-5) (-9,-6)

You get the 2 Y's and subtract them

Do the same with the X's

Y's above , X's below

(y2- y1)

⬇

-6-(-5) -1 1

--------- = ---- = ---- = m

-9-(3) -12 12

⬆

(×2- x1)

This equation is backwards, thats why it was harder to understand. (-9,-6) is farther left and below point (3,-5), making it the REAL first point in the equation.

5 0
3 years ago
What is the distance between points (7 , 3) and (5 , -1)?
VladimirAG [237]
(7,3) = 4. (5, -1)=4.
8 0
2 years ago
Read 2 more answers
2. The ticket for an NBA playoff game is $13,000. Suppose
Usimov [2.4K]

Answer:

18,500 because youvadd 500

4 0
3 years ago
Kenji's electricity bill costs $21.56 per month plus $2.46 per kilowatt hour. How many kilowatt hours can he use and keep his bi
Alik [6]

Answer:

Kenjii can use 13.19 kilowatt-hour.

Step-by-step explanation:

Giving the following information:

Kenji's electricity bill costs $21.56 per month plus $2.46 per kilowatt-hour.

<u>First, we will structure the total cost formula:</u>

Total cost= 21.56 + 2.46*x

x= kilowatt-hour

54= 21.56 + 2.46x

32.44= 2.46x

13.19= x

Kenjii can use 13.19 kilowatt-hour.

5 0
3 years ago
2. Evaluate 5xy<br> if x = 2 and y = 6.
enot [183]

Answer:

60

Step-by-step explanation:

substitute the values in the given

5(2)(6) = 60

4 0
2 years ago
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