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evablogger [386]
3 years ago
15

Line I is shown below Right triangles A B C and DEF are drawn to measure the slope of the line

Mathematics
1 answer:
lina2011 [118]3 years ago
8 0

Answer:

Rise: 8.....Run: 4.... Slope: 2

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In the similar triangles below, solve for the value of X.
Angelina_Jolie [31]

9514 1404 393

Answer:

  x = 8

Step-by-step explanation:

Corresponding segments are proportional.

  (3x +1)/10 = (7x -1)/22

  11(3x +1) = 5(7x -1) . . . . . . multiply by 110

  33x + 11 = 35x -5 . . . . . . eliminate parentheses

  16 = 2x . . . . . . . . . . . add 5-33x to both sides

  8 = x . . . . . . . . . . divide by 2

3 0
3 years ago
Read 2 more answers
What is the current density of the solution a/m2
Jlenok [28]

Current density of solution a/m2 is given below

Step-by-step explanation:

Current density is the measure of current generated per unit surface area of electrode.

Eg: In microbial fuel cell/fuel cells, if you are using electrode with size of 5cm x 2cm and current produced is 200mA, then current density will be,

CD= Current/(projected area of electrode)

area of rectangle= LxB= 5cm x 2cm =10cm2

CD= 200mA/10cm2

CD= 20mA/cm2

Your Current will be 200mA.

Current density will be 20mA/cm2.

8 0
3 years ago
Megan decided to run in a 10-km race. Her time of 82 minutes was twice as long a the winner's time. What was the winner's time?
erik [133]
The answer is 41 because half of 82 is 41
8 0
3 years ago
What system of equations does not have the same solution
Effectus [21]

Answer:

2x + y = 4

4x + 2y = 12

Step-by-step explanation:

Equations 2x + y = 4 & 4x + 2y = 12 haven't the same solution.

2x + y = 4...(1) \\ 4x + 2y = 12 \\ 2(2x + y) = 12 \\ 2x + y =  \frac{12}{2}  \\ 2x + y = 6...(2) \\ rhs \: of \: equations \: (1) \: and \: (2) \: are \:  \\ not \: sme.

3 0
3 years ago
-3(x+3)-3(x - 1)+8x = 4​
Leviafan [203]

Answer:

Step-by-step explanation:

(distribute)

-3x -9 -3x + 3 + 8x = 4

(simplify)

2x -6 = 4

x=5

3 0
3 years ago
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