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Zinaida [17]
3 years ago
5

How is a system of equations created when each linear function is given as a set of two ordered pairs? Explain. (Never mind)

Mathematics
2 answers:
serg [7]3 years ago
6 0

Sample response: Use the two points of a linear function to write an equation in slope-intercept form by first finding the slope of the function, and then using a point and the slope to determine the y-intercept. Write the equations in slope-intercept form.

Anna71 [15]3 years ago
4 0
A system of equations is a set of definite number of linearly independent equations in which they intersect at one or more points to find the values of the unknown variables depending on the number of participating equations. It is created by the standard form (y-h) = m (x-k) where (h,k) is given and that m or slope varies. 
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The cost C, in dollars, to have medical records transcribed is a function of time, t in hours. A physician's group spends C(t) =
Contact [7]

Answer:

B. $39550

Step-by-step explanation:

The expression for the function is not well-formatted, find the correct format in the solution bellow

Step one:

given data

We are told that the function of the cost is

C(t) = 0.04t^3- 0.1t^2 + 5.5t

instantaneous rate c(t) is the value obtained when we plug in 100 for t in the function above

substituting we have

C(t) = 0.04(100)^3- 0.1(100)^2 + 5.5(100)\\\\\C(t) = 0.04*1000000- 0.1*10000 + 5.5*100\\\\C(t) = 40000-1000+550\\\\C(t) = 39550

$39550

3 0
3 years ago
Please please help if you can it would mean a lot. Thank you!!
zheka24 [161]
11. 6:18 = 1:3
12. 12:48 = 1:4
13. 17:34 = 1:2
14. 8:64 = 1:8

15. 44:4 = 11:1
16. 121:11 = 11:1
17. 12:2 = 6:1
18. 4:2 = 2:1

19. 3:4 and 2:3 = 9:12 and 8:12
20. 1:6 and 3:14 = 7:42 and 9:42
21. 2:7 and 3:5 = 10:35 and 21:35
22. 5:2 and 3:1 = 5:2 and 6:2

Comparing Ratios:

1. 1.7 m = 170 cm
20:170 = 2:17

2. 160:8 = 20:1

3. 15:50 = 3:10

4. For every cup of milk she needs 5 cups of flour, so if she uses 3 cups of milk she'd need 15 cups of flour

Hopefully that helps :)
3 0
3 years ago
78 divided by 321.6 equals what show your work
AVprozaik [17]

Answer:

0.2425373

Step-by-step explanation:

78 divided by 321.6 equals to 0.2425373

7 0
3 years ago
How to solve 2(x+y)^2-9(x+y)-5​
Aliun [14]

Answer:

2(x + y)² - 9( x + y ) -5 = 0

⇒2(x + y)² - 10 (x+y) +1(x+y) -5 = 0

⇒2(x+y)(x + y - 5 ) + 1(x + y -5 ) = 0

taking (x + y -5 ) common , 

⇒(x + y -5 )[2(x + y) + 1]  =0 

⇒(x + y -5)(2x + 2y +1) =0

hope , you got this 

6 0
4 years ago
According to the general equation for conditional probability, if P(A^B)= 2/3 and P(B)= 3/4, what is P(A|B)? A. 15/16 B. 24/25 C
Evgen [1.6K]
Ell it could be any of these to be perfectly honest but none of these are the answer I believe because none of them give you a 3/4 proportion. So it could be none of the above if thats an answer.
8 0
3 years ago
Read 2 more answers
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