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Paraphin [41]
3 years ago
13

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form

Mathematics
1 answer:
liraira [26]3 years ago
5 0

Answer:

y = 2/5*x + 2 = 0.4x + 2

2/5*x - y + 2 = 0

1) 2*x - 5*y + 10 = 0

2/5*x - y = -2

-1/5*x + 1/2*y = 1

2) x/(-5) + y/2 = 1

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The average age of instructors at a local college is 55, with a standard deviation of 6 years; the average salary is $37,000 wit
Lerok [7]
To solve for the coefficient of variation you will need this formula:
CV = (SD/X) x 100 
Where: CV = Coefficient of Variance
             X = Mean/average
             SD = Standard Deviation

To determine which one is more variable, just get the coefficient of both and compare.
                   AGE                                            SALARY
   
  CV = (6/55) x 100                             CV = (4,100/37,000) x 100
        = 10.90                                             = 11.08

Based on the results, salary is more variable because 10.90<11.08.
8 0
3 years ago
Geraldo was a counselor at summer camp. He needed to divide the 40 children into 4 teams, so he put 10 red, 10 blue, 10 yellow,
viva [34]
The probability that the first 3 children will all draw a blue marble is 10 out of 40 .
3 0
3 years ago
6th grade math, due today. please help
lara31 [8.8K]

Answer:

6.4x

7. 3y

8. y−4.5

9. 7/2 x+2

10. 4y+2

11. 7x

12.  2.2w−0.5

13. (1 2/3) (b) + 6 2/3

14. 15/4x + 3/2

15. 0.8x+2.5

Step-by-step explanation:

I GOTCHU FAM

4 0
3 years ago
Read 2 more answers
Select all the sets of three side lengths that will make a triangle.
aivan3 [116]
Correct tho♥️ that great
4 0
3 years ago
Can someone help me with this please??
Evgen [1.6K]

Answer:

z=20.8

x=16.97

y=12

Step-by-step explanation:

The triangle on the right is a 30,60,90 triangle, a special right triangle with simple rules to find the side lengths. sides A,B, and C where C is the hypotenuse (24 in your diagram). The short side A is= 1/2 of side C (12 in your diagram). The long side B is= side A*√3 (20.8 in your diagram).

The triangle on the left is another special right triangle called a 45,45,90. The rules for this triangle are C= A*√2, and B=A. Because of the rules in the 30,60,90 triangle, we know that side A is 12. This means that side B (y)=12. Side C (x)= 16.97.

Hope this helped! Sorry if my explanation is confusing, but the rules for special right triangles can be easily found online and then calculated :)

4 0
3 years ago
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