Ask question

Ask question

All categories

3 years ago

14

RATIO TABLES: An ostrich can run at a rate of 50 miles in 60 minutes. At this rate, how long would it take an ostrich to run 15

miles?

1 answer:

Marat540 [252]3 years ago

7 0

15 50
---- = ----
x 60
(15*60)/50
900/50
18

It takes the ostrich 18 minutes to run 15 miles.

You might be interested in

The solid shown below is made by combining two rectangular prisms. what is the volume of the solid

mario62 [17]

Answer:

the answer would be 188

8 0

3 years ago

I need help with this question

Katena32 [7]

loss = 279

lose petcent = 15%

5 0

3 years ago

N=1/8;2/n wat is the answer to this question

mylen [45]

Answer:

16

Step-by-step explanation:

$\dfrac{2}{\dfrac{1}{8}}=2\cdot\dfrac{8}{1}=\dfrac{2\cdot 8}{1}=16$

There are numerous ways to work a problem like this. One is shown above, where we multiply by the inverse of the denominator.

For this you can always use a calculator. Be sure to use parentheses around the denominator fraction.

7 0

3 years ago

Jed and Cagney's neighbor ran 16.9 miles in just 2 hours today.

IgorC [24]

Answer:

B | 8.45 miles per hour.

Step-by-step explanation:

8.45 x 2 is 16.9.

7 0

2 years ago

It is said that happy and healthy workers are efficient and productive. A company that manufactures exercising machines wanted t

denpristay [2]

Answer:

Confidence interval is 0.7 ≤ p ≤ 0.8

The margin of error is 7.1 %

Step-by-step explanation:

We have to calculate a 98% confidence interval for the proportion.

The sample proportion is p=0.75.

The standard error of the proportion is:

Here we have, the proportion or point estimate given by

= 150/200 = 0.75

Sample size, n = 200

The formula for confidence interval, CI, given a proportion, is;

At 98% z = ±2.326348

Plugging in the values of, , z and n we get;

CI = 0.6787704 ≤ p ≤ 0.8212296

To one decimal place, we have

CI = 0.7 ≤ p ≤ 0.8

3 0

3 years ago