2 years ago

A turtle walks 7/8 of a mile what is the unit rate in miles per hour

1 answer:

8 0

The unit rate is (0.875 mile) divided by (number of hours it takes the turtle to walk the 7/8 of a mile) miles per hour.

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Which of the following are solutions to the equation below?

barxatty [35]

Answer:

x = 3 ± sqrt(11)

Step-by-step explanation:

x^2 - 6x + 9 = 11

Recognizing that this is a perfect square trinomial

(x-3) ^2 =11

Taking the square root of each side

sqrt((x-3) ^2) = ± sqrt(11)

x-3 =± sqrt(11)

Add 3 to each side

x = 3 ± sqrt(11)

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A small college has 800 students, 10% of which are left-handed. Suppose they take an SRS of 8 students.

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(8/2)(0.10)^2(0.90)^6

Step-by-step explanation:

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Beth describes her current location: "I'm directly south of the theater, halfway to the restaurant." Plot the point representing

S_A_V [24]

Answer:

Plot it at (4,-0.5)

Step-by-step explanation:

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A city wants to show that the mean number of public transportation users per day is more than 5,575. Identify the null hypothesi

jeyben [28]

Answer:

$H_0:\mu\leq 5575$

$H_a:\mu > 5575$

Step-by-step explanation:

Given : A city wants to show that the mean number of public transportation users per day is more than 5,575.

To Find : Identify the null hypothesis, $H_0$ , and the alternative hypothesis, $H_a$ , in terms of the parameter μ.

Solution:

Claim : A city wants to show that the mean number of public transportation users per day is more than 5,575.

So, Null hypothesis : $H_0:\mu\leq 5575$

Alternate hypothesis : $H_0:\mu > 5575$

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