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Daniel [21]
3 years ago
12

I need help with this please.

Mathematics
1 answer:
Setler [38]3 years ago
5 0
A. 170 students out of the 230 students love both biking and skating (to make it easier, the percentage is about 0.74).
I am sorry if I cannot solve the other half of your question
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Which is the graph of g(x) = ⌈x + 3⌉? On a coordinate plane, a step graph has horizontal segments that are each 1 unit long. The
Furkat [3]

Answer:

  see the attachment

Step-by-step explanation:

The ceiling of numbers between -1 and 0 (not including -1) will be 0. Adding 3 to that moves the segment up to y = 3. Hence, the last graph is the appropriate one.

Any integer is its own ceiling, and it is also the ceiling of numbers between that and the next lower integer. Hence each segment on the graph will have an open circle at the left end and a closed circle at the right end.

5 0
3 years ago
Read 2 more answers
Which description matches the graph of the inequality y > -X - 3?
Montano1993 [528]
Y is larger than minus x minus 3??
4 0
3 years ago
A dietitian is interested in the average amount of time teenagers exercise per week. Based on previous studies, teenagers exerci
joja [24]

Answer:

The dietitian should conclude that there is no significant evidence to support the claim that the number of hours teenagers exercise per week has increased.

Step-by-step explanation:

H0 : μ = 6.5

H1 : μ > 6.5

The test statistic value = 3.30

The critical value > test statistic

The Decison region :

If; test statistic > critical value (Fail to reject H0)

If; test statistic < Critical value (Reject H0)

Given that the test statistic is > critical value ; then we fail to reject the null

Hence, the dietitian should conclude that there is no significant evidence to support the claim that the number of hours teenagers exercise per week has increased.

8 0
3 years ago
What is the vertex of the graph of y = 2(x - 3)2 + 4?
Dvinal [7]

Answer:

(3, 4)

Step-by-step explanation:

vertex is (h, k)

this equation is written in the form of

y = a(x -h) +k

which is why the vertex is (3, 4)

7 0
3 years ago
Which best describes the solutions to the inequality x greater than 10?
Liula [17]

Answer: x>10

Step-by-step explanation:

I don't know what this is asking but the inequality x greater than 10 is simplified as x>10

7 0
3 years ago
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