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Aleksandr [31]
2 years ago
9

PLEASE HELP!! brainliest if correct!!

Mathematics
1 answer:
Sonja [21]2 years ago
6 0
Graph #1: No
Graph #2: Yes
Graph #3: No
Graph #4: No
Graph #5: No
Graph #6: Yes

Reasoning:

The vertical line test is a test that determines wether a graph is a function or a relation. The vertical line test shows that if you construct a vertical line through any point on the graph, then the vertical line should only intercept the graph once for it to be a function.
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Steve and Conner together have $60. Steve has $9 more than twice Conner’s amount. How much money does each have?
Lapatulllka [165]

Answer:

Step-by-step explanation:

let a=Ann's amt., b=Betty's amt.

a=2b+9

b+2b+9=60

3b+9-9=60-9

3b=51

b=$17

a=34+9=$43

6 0
3 years ago
Is student is reading a book about 370 words per minute convert this rate to words per hour
Helen [10]
Answer:
22,200 words per hour
step-by-step explanation:
60 minutes per hour
370 words per minute
370(60)
22,200
8 0
3 years ago
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When sample size increases Group of answer choices
Olenka [21]

Answer:

Option A)

Confidence interval decreases

Step-by-step explanation:

If we increase the sample size, then,

  • The standard error of the interval decrease.
  • If the standard error increase, the margin of error of the interval decrease.
  • If the margin of error decreases, the width of the confidence level decreases, hence, the confidence interval become narrower.

Thus, the correct answer is

Option A)

Confidence interval decreases

3 0
3 years ago
A self-serve car wash charges $5.55 to use its facilities, plus an additional $0.67 for each minute the customer is at the self-
MA_775_DIABLO [31]

Answer:

10.91

Step-by-step explanation:

.67×8=5.36+5.55=10.91

6 0
2 years ago
Solve rx = 30 for x.
Tju [1.3M]
Rx = 30...divide both sides by r
x = 30/r <==
3 0
3 years ago
Read 2 more answers
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