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2 years ago

10

Use the dropdown boxes below to complete the statement about the following quadratic function: g (x) = -5x^2 + 10x The function

has a [ Select ] value of [ Select ] that occurs at x equals [ Select ] .

1 answer:

ollegr [7]2 years ago

7 0

Answer:

i dont see boxes and yea

Step-by-step explanation:

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N is a positive integer.Explain why n(n-1) must be an even number.

V125BC [204]

Answer:

n and (n - 1) are consecutive integers.

Step-by-step explanation:

We are given 'n', a positive integer.

This 'n' can either be odd or even.

Case I:

When 'n' is odd

The n - 1 is even.

Note that the product of odd and even is always even. That is the product of n and (n - 1) is even.

Case II:

when 'n' is even

Then n - 1 is odd.

Again, using the similar logic we can say that the product of n and n - 1 should be even because here, 'n - 1' is even and 'n' is odd.

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3 years ago

Find the total cost to the nearest cent. $15 lunch; 20% tip.

Ede4ka [16]

$3.00 I think. Hope this helps

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2 years ago

A simple random sample of 36 men from a normally distributed population results in a standard deviation of 10.1 beats per minute

Katyanochek1 [597]

Answer:

Step-by-step explanation:

Given that:

sample size n = 36

standard deviation = 10.1

level of significance ∝ = 0.10

The null hypothesis and the alternative hypothesis can be computed as follows:

$H_0 : \sigma = 10$

$H_1 : \sigma \neq 10$

The test statistics can be computed as follows:

$X^2 = \dfrac{(n -1)s^2 }{\sigma ^2}$

$X^2 = \dfrac{(36 -1)10.1^2 }{10^2}$

$X^2 = \dfrac{(35)102.01 }{100}$

$X^2 = \dfrac{3570.35 }{100}$

$X^2 =35.704$

degree of freedom = n - 1 = 36 - 1 = 35

Since this test is two tailed .

The P -value can be determined by using the EXCEL FUNCTION ( = 2 × CHIDIST(35.7035, 35)

P - value = 2 × 0.435163515

P - value = 0.8703 ( to four decimal places)

Decision Rule : To reject the null hypothesis if P - value is less than the 0.10

Conclusion: We fail to reject null hypothesis ( accept null hypothesis) since p-value is greater than 0.10 and we conclude that there is sufficient claim that the normal range of pulse rates of adults given as 60 to 100 beats per minute resulted to a standard deviation of 10 beats per minute.

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3 years ago

In a trapezoid with bases of lengths a and b, a line parallel to the bases is drawn through the intersection point of the diagon

mote1985 [20]

if we name that part x, then we can say

1/x = 1/a + 1/b

3 0

3 years ago

A parallelogram has symmetry with respect to the point of intersection of its diagonals. t/f?

Anna007 [38]

It is true that a parallelogram has symmetry with respect to the point of intersection of its diagonals.

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3 years ago