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3 years ago

A line passes through the point (4,-1) and (2,3)

Mathematics

1 answer:

Sholpan [36]3 years ago

7 0

Answer:

Ok.... whats the Rest of the question Type it in the comments and i will edit this answer

Step-by-step explanation:

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3x + ky = 8

sattari [20]

Answer:

(a): x is 3 and ky is -1

(b): k is -2

Step-by-step explanation:

Let: 3x + ky = 8 be equation (a)

x - 2 ky = 5 be equation (b)

Then multiply equation (a) by 2:

→ 6x + 2ky = 16, let it be equation (c)

Then equation (c) + equation (b):

${ \sf{(6 + 1)x + (2 - 2)ky = (16 + 5)}} \\ { \sf{7x = 21}} \\ { \sf{x = 3}}$

Then ky :

${ \sf{2ky = 3 - 5}} \\ { \sf{ky = - 1}}$

${ \bf{y = \frac{1}{2} }} \\ { \sf{ky = - 1}} \\ { \sf{k = - 2}}$

4 0

3 years ago

What is 6 times 5 3/4

valentina_108 [34]

The answer to this would be 34.5

3 0

3 years ago

Read 2 more answers

The telephone company offers two billing plans for local calls. Plan 1 charges $36 per month for unlimited calls and Plan 2 char

Katyanochek1 [597]

Answer:

After 460 calls plan 1 is more economical than plan 2

Step-by-step explanation:

Plan 1: 36x + 0y

Plan 2: 13x + 0.05y

36x < 13x + 0.05y

36x - 13x < 0.05y

23x < 0.05y

23/0.05x < y

460x < y

5 0

2 years ago

Some children were asked to name their favorite color.

ad-work [718]

Answer:

its 5 Obviously :)

Step-by-step explanation:

get it

5 0

3 years ago

The scale for the drawing of a rectangular playing field is 2 inches=7 feet.

ella [17]

Answers YAVE NO IDEA

Step-by-step explanation:

I DONT KNOWWWW

3 0

2 years ago