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ddd [48]
3 years ago
13

The chart shows Jolene's tutoring schedule. Today she worked with both math and

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
5 0

Answer:

10

Step-by-step explanation:

5 times 2 equals 10

OleMash [197]3 years ago
4 0

Answer:

10

Step-by-step explanation:

5x2=10

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a study was to be undertaken to determine if a particular training program would improve physical fitness. an srs of 31 universi
Nataliya [291]

Step-by-step explanation:

A study was to be undertaken to determine if a particular training program would improve physical fitness. A sample of 31 university students was selected to be enrolled in the fitness program. The researchers wished to determine if there was evidence that their sample of students differed from the general population of untrained subjects. The sample mean is 47.4 and a standard deviation of 5.3. The 98% confidence interval is determined and is given as, (45.2, 49.6) .

If the level of confidence is changed to 95%, then the confidence interval will become shorter but the p-value will not change because it is calculated using the test statistic. So the correct answer is (a).

3 0
1 year ago
What is the equation of the quadratic graph with a focus of (3, 6) and a directrix of y = 4? f(x) = one fourth (x − 3)2 + 1 f(x)
mina [271]
 Let point (x, y) be any point on the graph, than the distance between (x, y) and the focus (3, 6) is sqrt((x - 3)^2 + (y - 6)^2) and the distance between (x, y) and the directrix, y = 4 is |y - 4|

Thus sqrt((x - 3)^2 + (y - 6)^2) = |y - 4|
(x - 3)^2 + (y - 6)^2 = (y - 4)^2
x^2 - 6x + 9 + y^2 - 12y + 36 = y^2 - 8y + 16
x^2 - 6x + 29 = -8y + 12y = 4y
(x - 3)^2 + 20 = 4y
y = 1/4(x - 3)^2 + 5

Required answer is f(x) = one fourth (x - 3)^2 + 5
8 0
2 years ago
Alex wants to find out how many ducks there are in a park.
Strike441 [17]

Answer:

It should be 62

Step-by-step explanation:

30+40-8=62

5 0
2 years ago
A house and a lot is appraised at $212,400. The value of the house is five times more the value of the lot. What is the house wo
Anuta_ua [19.1K]
The house is worth $177,000
the lot is worth $35,400
5 0
3 years ago
The product of two positive numbers is . what is the minimum value of their sum?
evablogger [386]
The answer is 29 value
7 0
3 years ago
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