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Alex787 [66]
3 years ago
8

During a 60-minute television program 25% of the time is used for the opening and closing credits. How many minutes remain for t

he program itself
Mathematics
2 answers:
Gemiola [76]3 years ago
8 0

Answer:

The time used for the show itself is 45 minutes.

Step-by-step explanation:

25% of 60 minutes were used for the credits. We can see how long the credits last by dividing 60 by 4.

60 ÷ 4 = 15

We know that 15 minutes were used for the credits. That leaves 45 minutes

(60 - 15 = 45) for the program itself!

Vinil7 [7]3 years ago
3 0

Answer:

25%

Step-by-step explanation:

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Evaluate the expression 5x-3x+5 for each value of x
kirza4 [7]

Answer:

2x+5

Step-by-step explanation:

Hope I helped :)

4 0
3 years ago
How to find area? will give..
ch4aika [34]

Answer:

Step-by-step explanation:

A=πr2

Circumference = 2πr

20π = 2πr

r=10

π=3.14

A=3.14 * 10^2

=314 cm^2

3 0
3 years ago
Fareed wants to add 1/4 +5/8 Add the fractions by using the giant one to create a common denominator
saul85 [17]

Hi!

This question is about math.

\frac{1}{4}+\frac{5}{8}

<u><em>Least Common Factor 4 or 8: 8</em></u>

<u><em>Factors of 4 : 1, 2, 4 (prime factorization) (2*2)</em></u>

<u><em>Factors of 8: 1, 2, 4, 8 (prime factorization) (2*2*2)</em></u>

<u><em>Least Common Factor of a,b is the smallest positive number that divisible by both a and b.</em></u>

<em>Multiply each factor the greatest number of times it occurs in either 4 or 8.</em>

<em>Then multiply by the numbers.</em>

2*2*2

=8

<em>Multiply each numerator by the same amount needed to multiply its corresponding denominator to turn it into the Least Common Factor of 8.</em>

<em>For 1/4 multiply the denominator and numerator by the 2.</em>

\frac{1}{4}=\frac{1*2}{4*2}=\frac{2}{8}

\frac{2}{8}+\frac{5}{8}

<em>Since the denominator are equal, combine the fractions.</em>

\frac{2+5}{8}

<em>Add the numbers 2+5=7</em>

=\frac{7}{8}

Hope this helps! Thank you for posting your question at here on Brainly. Have a great day.

-Charlie

6 0
3 years ago
Please help I will mark brainlist if correct
lisabon 2012 [21]
The answer would be -1/6
7 0
3 years ago
The City of Irvine upgraded a bicycle lane in a section of road to have a physical barrier between the cyclists as opposed to ju
____ [38]

Answer:

The p-value of the test is 0 < 0.05, which means that there is significant evidence to conclude that more people utilize the bike lane after the change.

Step-by-step explanation:

Before the upgrade, on any given day, it was known that the section of road saw an average of 350 unique cyclists. Test if more people are using now.

At the null hypothesis, we test if the same number of people is still using, that is, the mean is 350. So

H_0: \mu = 350

At the alternate hypothesis, we test if this mean increased, that is:

H_1: \mu > 350

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.

350 is tested at the null hypothesis:

This means that \mu = 350

After the upgrade, they took a random sample of 35 days in the year and counted the number of unique cyclists each day. The average was 405 cyclists with a standard deviation of 25.

This means that n = 35, X = 405, s = 25.

Test statistic:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{405 - 350}{\frac{25}{\sqrt{35}}}

t = 13.02

P-value of the test and decision:

The p-value of the test is the probability of finding a sample mean above 405, which is a right-tailed test with t = 13.02 and 35 - 1 = 34 degrees of freedom.

Using a t-distribution calculator, this probability is of 0.

The p-value of the test is 0 < 0.05, which means that there is significant evidence to conclude that more people utilize the bike lane after the change.

8 0
3 years ago
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