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Otrada [13]
3 years ago
5

Write the equation of a quadratic function with roots at 1 and 5 and a vertex at (3,-2)

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0
The equation of a parabola is the following:

(y - k) = a(x - h)^{2}

where (h, k) is the coordinate of the vertex and a is a constant. With the information you have above, you are able to fill in (h, k) and solve for a with the information that (1, 0) and (5, 0) are roots of the equation.
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Sociologists say the percentage of the classic music lovers is about 5%. From the survey, we know that only 83 out of 2000 peopl
disa [49]

Answer:

p value from chi square = 0.081

Step-by-step explanation:

Given that sociologists say the percentage of the classic music lovers is about 5%. From the survey, we know that only 83 out of 2000 people listen to the classic music. Let denote the proportion of the classic music lovers. The hypotheses are H0: p=0.05 vs Ha: p≠0.05

p value = 0.09

Instead of this if we do chi square

H0: Proportion of music lovers is 5% and non music lovers is 95%

Ha: Proportions are not as per the estimate

(Two tailed chi square test)

Observed       83           1917       2000

Expected        100          1900     2000

O-E                  -17              17          0

chi square

(O-E)^2/E        2.89         0.1521     3.0421

df =1

p value from chi square = 0.081

Though p value is not exactly the same, the conclusion in both tests are the same

5 0
3 years ago
4th grade homework.
Oxana [17]
By looking at the statement I derived,

32 = 8 * 4

5 0
3 years ago
Read 2 more answers
Jason played golf at a rate of 6 holes in 24 minutes. How much longer would it take him to play 54 holes than 41 holes?
Mkey [24]
6 holes in 24 mins.
1 hole in 4 mins.
54 × 4= 216
41 × 4= 164
216-164= 52
So it would take 52 more minutes.
5 0
3 years ago
Which of these points is closest to the point (7,1)?
xz_007 [3.2K]

Answer:

6,7

Step-by-step explanation:

8 0
2 years ago
Solve.<br>17 + V3 + V98 – 118​
Paraphin [41]

Answer:

no solutions

Step-by-step explanation:

This is a not a equation

but I can simplify

v101-101

6 0
3 years ago
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