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VLD [36.1K]
3 years ago
8

Write an equation for the line that has a slope of 1/2 and passes though the point (-2,5)?

Mathematics
2 answers:
IgorC [24]3 years ago
7 0

Answer: y = 1/2x + 6

Step-by-step explanation:

b = y1 - m • x1

Plug everything in:

b = 5 - (1/2) • -2

= 6

Written in y = mx + b is:

y = 1/2x + 6

Schach [20]3 years ago
5 0

Answer:

y=1/2x+6

Step-by-step explanation:

Y=MX+B

m= slope=1/2

b= y-intercept

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Find the equation of the plane that goes through three points:
frosja888 [35]

The equation of the plane that goes through these points is:

6x + 2y + z = 10.

<h3>How to find the equation of a plane given three points?</h3>

The equation of the plane is found replacing the points into the following equation:

ax + by + c = z.

For point A, we have that:

3b + c = 4.

For point B, we have that:

a + 2b + c = 0.

For point C, we have that:

-a + 6b + c = 4.

Hence the system is:

  • 3b + c = 4.
  • a + 2b + c = 0.
  • -a + 6b + c = 4.

From the first equation, we have that:

c = 4 - 3b.

Replacing in the second, we have that:

a + 2b + 4 - 3b = 0

a - b = -4.

Replacing in the third, we have that:

-a + 6b + 4 - 3b = 4.

-a + 3b = 0.

a = 3b.

We have that a - b = -4, hence:

3b - b = -4

2b = -4

b = -2.

a = 3b, hence a = -6.

c = 4 - 3b -> c = 10.

Hence the equation is:

ax + by + c = z.

z = -6x - 2y + 10

6x + 2y + z = 10.

More can be learned about the equation of a plane at brainly.com/question/13854649

#SPJ1

7 0
1 year ago
What percent of 21 is 105? ​
Natasha_Volkova [10]

Answer:

20%

Step-by-step explanation:

21/ 105

= 0.2 x 100

20%

6 0
3 years ago
Read 2 more answers
The sum and product of zeroes are 4 and 1 respectively then the quadratic equation is
Zinaida [17]

Answer:

A. x²- 4x+ 1

option A is the answer

3 0
3 years ago
I got an answer, but I only got one mark help
kaheart [24]

Answer:

The answer 323.4 is pound.

Step-by-step explanation:

First 25% and 8% together which is 33%.Then find out 33% of 980.33/100×980=323.4 pound.

So he saved 323.4 pound.

8 0
3 years ago
Read 2 more answers
Please can someone helpppp
GenaCL600 [577]
A) 8 - add up the how many numbers there are after the 4 on the left column

b) 41 - line up all of the numbers from least to greatest and find the middle number

c) 39 - do step b again but this time remove the oldest worker and add the younger one in
6 0
3 years ago
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