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makkiz [27]
3 years ago
13

Find the average of -1/8,3/4,3/4,-1/2

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
4 0

Answer:

  • 7/32

Step-by-step explanation:

<u>Sum is:</u>

  • -1/8 + 3/4 + 3/4 - 1/2 =
  • -1/8 + 6/4 - 1/2 =
  • -1/8 + 12/8 - 4/8 =
  • (-1 + 12 - 4)/8 =
  • 7/8

<u>Number is</u> 4

<u>Average is:</u>

  • sum/number =
  • 7/8 : 4 =
  • 7/32
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What is the equation of a line that passes through the point?
Artist 52 [7]
<h3>Answer: 3x-2y = 5 (choice A)</h3>

=====================================================

Explanation:

The given graph passes through (0,2) and (2,5)

The slope of this line is

m = (y2 - y1)/(x2 - x1)

m = (5-2)/(2-0)

m = 3/2

Since the y intercept is b = 2, we go from y = mx+b to y = (3/2)x+2, which is the equation of the graphed line shown.

Any parallel line will have the same slope, but a different y intercept.

-------------------

The parallel line must pass through (x,y) = (3,2). We'll use these coordinates along with m = 3/2 to find the y intercept b

y = mx+b

2 = (3/2)(3)+b

2 = 9/2+b

2-9/2 = b

4/2 - 9/2 = b

-5/2 = b

b = -5/2 ... is the new y intercept

The equation of the parallel line is y = (3/2)x-5/2, which is in slope intercept form

-------------------

Let's convert to standard form

y = (3/2)x-5/2

2y = 3x-5 .... multiply everything by the LCD 2 to clear out fractions

2y+5 = 3x

3x = 2y+5

3x-2y = 5 ... is the equation in standard form of the parallel line

-------------------

As a check, we can plug (x,y) = (3,2) into that last equation above to get

3x-2y = 5

3*3-2*2 = 5 ... replace x with 3, replace y with 2

9-4 = 5

5 = 5

Confirming that (x,y) = (3,2) is on the line.

3 0
3 years ago
Henry counted 350 lockers haily counted 403 lockers how does the 3 in 350 c ompare to the 3 in 403
kramer

the 3 in 350 represents 3 hundred's ( 3 100's ) while the 3 in 403 represents 3 units ( 3 1's )


4 0
3 years ago
21
Tju [1.3M]

Answer:

64x^127

Step-by-step explanation:

caculate it with all the numb

3 0
2 years ago
Melanie spent half of her allowance going to the movies. She washed the family car and earned 6 dollars. What is her weekly allo
padilas [110]
Okay.. well did you try to do it on your own at least ? I help you, but what do you know already so we can go on from there. 
7 0
3 years ago
Evaluate 3^5 : 3^2 <br><br> Simplify the ratio 4:5 in the form 1:n
blondinia [14]

Answer:

Step-by-step explanation:

3⁵:3² = 3³:1 = 27:1

:::::

4:5 = 1:5/4 = 1:1.25

6 0
3 years ago
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