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bearhunter [10]
3 years ago
11

You can read 45 pages of your new book in 2 hours. How many pages can you read in 3 hours?

Mathematics
2 answers:
AlekseyPX3 years ago
7 0
You can read 67.5 pages in 3 hours. 45/2= 22.5
RUDIKE [14]3 years ago
6 0
All you need to do is divide 45 by 2 and then multiply what you get by 3 ➗
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12345 [234]

Step-by-step explanation:

first you have to see the triangle BCD

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3 0
3 years ago
Darrin put the numbers 7.25, 7.52, and 5.72 and 5.27 in order from greatest to least.Is his work correct?Explain
aksik [14]
If the order of the numbers in the question are the order Darrin put theem in then no, his work is not correct. this is because 7.25 is not greater than 7.52. the real order should be 7.52,7.25, 5.72, 5.27
8 0
3 years ago
Read 2 more answers
Solve the equation x³ - 5x²+2x+8 = 0 given that - 1 is a zero of f(x)= x3 - 5x²+2x+8.
exis [7]

Answer:

added in the picture

Step-by-step explanation:

added in the picture

3 0
2 years ago
A doctor is measuring the average height of male students at a large college. The doctor measures the heights, in inches, of a s
RoseWind [281]

Answer:

There is a 95% confidence that the true mean height of all male student at the large college is between the interval (63.5, 74.4).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population mean is:

CI=\bar x\pm z_{\alpha/2}\times\frac{\sigma}{\sqrt{n}}

The (1 - α)% confidence interval for population parameter implies that there is a (1 - α) probability that the true value of the parameter is included in the interval.

Or, the (1 - α)% confidence interval for the parameter implies that there is (1 - α)% confidence or certainty that the true parameter value is contained in the interval.

The 95% confidence interval for the average height of male students at a large college is, (63.5 inches, 74.4 inches).

The 95% confidence interval for the average height of male students (63.5, 74.4) implies that, there is a 0.95 probability that the true mean height of all male student at the large college is between the interval (63.5, 74.4).

Or, there is a 95% confidence that the true mean height of all male student at the large college is between the interval (63.5, 74.4).

4 0
3 years ago
-5x + y = -2<br> -3x + 6y = -12
Korolek [52]

Answer:

x = 0

y = -2

Step-by-step explanation:

-5x + y = -2

x = 0

y = -2

-3x + 6y = -12

x = 0

y = -2

6 0
3 years ago
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