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ANTONII [103]
3 years ago
14

Please answer the questions before 12 am

Mathematics
1 answer:
marta [7]3 years ago
7 0

Answer:

8. 4m+2

9. 11m+4

10. 15u or 13u+2u

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What is the equation for the line? enter your answer in the box
Igoryamba
To get the equation of the line, you need two points that belong to this line.
From the given graph, we can choose any two points: (0,-4) and (-2,0)

The general for of the linear straight line is:
y = mx + c where m is the slope and c is the y-intercept

First, we will calculate the slope using the following rule:
slope = (y2-y1) / (x2-x1)
slope (m) = (0--4) / (-2-0) = 4/-2 = -2
The equation of the line now is: y = -2x + c

Then, we will get the value of the c. To do so, we will choose any point and substitute in the equation. I will choose the point (0,-4)
y = -2x + c
-4 = -2(0) + c
c = -4

Based on the above calculations, the equation of the line is:
y = -2x - 4
7 0
3 years ago
Find the second decile of the following data set 24, 64, 25, 40, 45, 34, 14, 26, 28, 24, 58, 51 D2 =
Sergio039 [100]

Answer:

D2 = 24

Step-by-step explanation:

given is a data set as

24, 64, 25, 40, 45, 34, 14, 26, 28, 24, 58, 51

We have to find the second decile for the above

Arranging in ascending order we get

14, 24, 24, 25,26,28, 34, 40, 45, 51, 58, 64

2nd decile is equal to 20th percentile

20th percentile formula entry appearing which sorts 20% below and 80% above.

i.e. (20%*(14+1)) = 3rd entry

Thus 20th percentile is24.

D2 = 24

7 0
3 years ago
One of the angles is 26°. The second angle is complementary to the first angle. What is the measure of the third angle?
lubasha [3.4K]
2nd is 64 3rd is 90 all 3 = 180
6 0
3 years ago
A person can pay $37 for a membership to the science museum and then go to the museum for one dollar per visit. what is the maxi
jolli1 [7]
The numbers of visits a member could go is 82 visits.
3 0
3 years ago
Points U(4, - 2) and V(6, – 1).
olchik [2.2K]
Type it into the app or online on ‘Desmos’ it a really good graphing calculator. I hope this helps
7 0
3 years ago
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