4 years ago

Kenya has 2 hours to make a 104 mile road trip. What rate must she average to make the trip in 2 hours?

1 answer:

kramer4 years ago

5 0

52 mph because you have to travel 104 miles over 2 hours so you divide how far you're traveling by how long it takes you.

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Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles

g100num [7]

B. Barbara's equation did not consider the number of bottles of iced tea. She only put 1.49, which would mean she only sold one. Because we know she sells more then one, it should be 1.49(then a variable)

4 0

3 years ago

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Lexie, a bowler, claims that her bowling score is more than 140 points, on average. Several of her teammates do not believe her,

Crazy boy [7]

Answer:

The test statistic is $t = 3.744$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 140$

The The level of significance is $\alpha = 0.05$

The sample size is n = 18

The null hypothesis is $H_o : \mu = 140$

The alternative hypothesis is $H_a : \mu > 140$

The sample mean is $\= x = 155$

The standard deviation is $\sigma = 17$

Generally the test statistics is mathematically represented as

$t = \frac{\= x - \mu }{ \frac{ \sigma}{ \sqrt{n} } }$

substituting values

$t = \frac{ 155 - 140 }{ \frac{ 17 }{ \sqrt{18} } }$

$t = 3.744$

7 0

3 years ago

I need help with this math question

Kitty [74]

Answer:

16675514 Frog

Step-by-step explanation:

$g(25)=14(1.75)^{25} =16675514$

7 0

3 years ago

Which of the following is not considered a credit?

klio [65]

There’s gotta be an attachment

3 0

3 years ago

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A cone has a volume of 1309cm^3. If the height of the cone is 8 centimeters, find its radius.

zhenek [66]

Answer:

The radius is 12.5.

Step-by-step explanation:

The volume of a cone is found using the formula $V = \frac{1}{3} \pi r^2 h$ . Substitute the values V = 1309 and h = 8. Solve for r.

$V = \frac{1}{3} \pi r^2 h\\1309 = \frac{1}{3} \pi r^2 * 8\\3927 = \pi r^2*8\\156.2 = r^2\\12.5 = r$

7 0

3 years ago