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White raven [17]
3 years ago
14

I WILL GIVE BRAINLIEST TO WHOEVER IS CORRECT.

Mathematics
2 answers:
zlopas [31]3 years ago
4 0
In a function, each x-coordinate can be used only once.
If you have two points, one above the other on the same vertical line, it is not a function.
You are correct.
Fed [463]3 years ago
4 0
The upper, right-hand graph represents a function.  Why?  Because there is never more than one value of y for any given x.

If you use the vertical line test on the other 3 problems, you'll see that for some x, the line goes thru more than just one black dot.
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ILL MARK BRAINLIEST HELP!!!!
stepan [7]

Answer:

30

Step-by-step explanation:

let EFH = x

Let GFH = y

x + y = 90

x = 2y

Substitute: 2y + y = 90

3y = 90

y = 30

5 0
3 years ago
lily is making granola she uses almonds walnuts and pecans in tge ratio 4:3:8 lily uses 40ounces of pecans
lbvjy [14]
Well. im not 100% sure if this is correct. but what i did was did 5 x 8. which equals 40. so then i did 5 x 3. which equals 15. then i did 5 x 4. which equals 20. hopefully im correct. hope this helped! :)
7 0
2 years ago
Find the sum. <br> Homework: 9.4 arithmetic series
RUDIKE [14]

Answer:

Step-by-step explanation:

a1 = 3(1) - 7 = - 4

a2 = 3(2) - 7 = -1

d = a2 - a1

d = -1 - (-4)

d = -1 + 4

d = 3

a60 = 3(60) - 7

a60 = 180 - 7

a60 = 173

n = 60

Sum = (a1 + a60) * n / 2

Sum = (-4 + 173) * 60/2

Sum = (169)*30

Sum = 5070

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

Just to check, we'll use the second summation formula

d = 3

n = 60

a1 = -4

Sum = (2*a1 + (n - 1)*d )*n / 2

Sum = (2*(-4) + (60 -1)*3)* 60/2

Sum = (-8 + 59*3) * 30

Sum = (177 - 8)*30

Sum = 169 * 30

Sum = 5070

Same answer.

5 0
2 years ago
Last question for today ✌
miv72 [106K]

Answer:

I think it is D

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The teacher said we could estimate but give a good reason for that estimate​
lyudmila [28]

Answer:

$11, even if you do work a job thats not that hard you should still be making a good amount of money

Step-by-step explanation:

I just used my opinion

5 0
2 years ago
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