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natima [27]
2 years ago
12

Write an equation of the line with a slope of 2 that passes through the point (−1, 4) in point-slope form and slope-intercept fo

rm.
Mathematics
1 answer:
MrMuchimi2 years ago
3 0

Answer:

y=2x+6

Step-by-step explanation:

y=mx+b

your two point that are [-1, 4] with 1 as x and 4 as y

replace y with 4 then replace m with 2 then put your negative one in () it should look like this

4=2(-1)+b then do what in Parentheses

that will give you -2 then add 2 to 4 and that will give u 6

y=2x+6

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A football team was training for four hours. During the first hour, they practiced for 5/8 of an hour. During the second hour, t
Leviafan [203]

Answer: 2 19/24 hours was spent in practising.

Step-by-step explanation:

During the first hour, they practiced for 5/8 of an hour. During the second hour, they practiced for 2/3 of an hour. This means that the total time for which they practiced in the first 2 hours would be

5/8 + 2/3 = 31/24 hours

During the last two hours, they first practiced for 3/5 of an hour, took a 1/2 hour break and then practiced the rest of the time. This means that the rest of the time for which they practiced is

2 - (3/5 + 1/2) = 2 - 11/10 = 9/10

Therefore, the time they spent practicing in total would be

31/24 + 3/5 + 9/10 = 67/24 =

2 19/24 hours

7 0
3 years ago
Write the equation in slope intercept form of the line that passes through the point (1,-3) and a slope of -2
Alborosie

Answer:y=-2x-1


Step-by-step explanation:

(1,-3) and a slope of -2

Use Formula

Y= mx +b to find b. By using the slope and point given .

M is slope

Y is -3

X Is 1



Y=mx+b


-3= -2(1)+b


-3= -2+b


-3+2=b


-1=b


Now create the equation by inputting the slope they gave you which is -2 and answer we solved for b which is -1 .


Y= -2x-1

4 0
3 years ago
there are 9 students that play tennis. if 75% of the students do not play tennis, how many are in the class
Paha777 [63]
So 9 students = 25% (100%-75%=25%)
100 : 25 = 4
4 * 9 =
36 students


7 0
3 years ago
A store purchased model railroad sets for 400 and sold them for 444 what percentage is the mark-up
andrew-mc [135]

Answer:

9.91%

Step-by-step explanation:

cost price= 400

selling price=444

profit made= 444-400

= 44

profit percentage= 44/444 ×100

=9.91%

4 0
3 years ago
Answer the question pls xx
yKpoI14uk [10]

Answer:

3 lines of symmetry

Step-by-step explanation:

the lines go through the vertices of the triangle

3 0
3 years ago
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