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GalinKa [24]
3 years ago
6

Jimmy ran with a speed of m miles per hour. How far did he run in t minutes?

Mathematics
1 answer:
Juliette [100K]3 years ago
6 0

Answer:

velocity = distance / time   OR

v = d / t

In the example he runs 'm' miles in 1 hour

v = 'm' / hour

distance = velocity * time

How far did he run in 't' minutes?

Since there are 60 minutes per hour then the distance is:

distance = (velocity * time) / 60

Step-by-step explanation:

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0.04(x - 25)
kramer

Answer:

the last one is 30

Step-by-step explanation:

6 0
3 years ago
(5s-6)(3s+2) please just give me the answer I have to turn it in today
alexandr1967 [171]

Answer:

The answer is -2

Step-by-step explanation:

you subtract common numbers, so:

5s - 3s = 2s

Then,

-6 + 2 = -4

You would then get

2s - 4

divide -4 by 2 which is -2

and your answer is s = -2

5 0
3 years ago
A police officer would like to estimate the proportion of petty theft cases that have gone unsolved in a large city. He takes a
nata0808 [166]

Answer:

0.625 \pm 1.645*0.0571

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

\pi is the estimate

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}, also called the critical value.

The standard error is:

s = \sqrt{\frac{\pi(1-\pi)}{n}}

90% confidence level critical value

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.955, so z = 1.645.

Estimate:

72 petty theft cases and finds 45 of these have gone unsolved.

So \pi = \frac{45}{72} = 0.625

Standard error:

s = \sqrt{\frac{\pi(1-\pi)}{n}} = \sqrt{\frac{0.625*0.375}{72}} = 0.0571

Answer:

0.625 \pm 1.645*0.0571

7 0
2 years ago
Determine whether the sequence is geometric. If so, find the common ratio. 3.0, 6.0, 12.0, 24.0
Luba_88 [7]

Answer:

The sequence <u>is</u> geometric and the common ratio is 2

Step-by-step explanation:

A sequence is geometric if each term  (after the first one) is equal to the term before it times some constant number, called the 'common ratio'.

Examples:  1, 2, 4, 8, 16, ... has a common ratio of 2 because 2*2 = 4, and 4*2 = 8, and so on.

                 Also, -->  4, 2, 1, 1/2, 1/4/ 1/8, ... has a common ratio of 1/2 because

4 * 1/2 =  the next term 2, and 2 * 1/2 = the next trem 1/4, and son on.

In this case, 3 * 2 = 6

                    6 * 2 = 12

                    12 * 2 = 24

The sequence <u>is</u> geometric and the common ratio is 2

6 0
2 years ago
What is another name for the height of a prism?
ohaa [14]

Answer:

C. Altitude

Step-by-step explanation:

A prism is a polyhedron, with two parallel faces called bases.

4 0
3 years ago
Read 2 more answers
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