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Dahasolnce [82]
3 years ago
15

A 30-minute TV program consists of three commercials, each 2 1/2 minutes long, and four equal-length entertainment segments. How

long is each entertainment segment?
What is the strategy plans and answer.
Mathematics
2 answers:
Solnce55 [7]3 years ago
7 0

2.5 × 4/1= 5/1 ×4/1= 20.

20÷4 Because of 4 equal length answer is 5. Divide 20/4.



Alexus [3.1K]3 years ago
6 0
for one show it will be 23.1 minutes if you multiply 2.30 minutes by 3 and get 6.9 you subtract 6.9 from the 30 minutes and you should 23.1 minutes 
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Tim has read ​10% of a book. He has 45 more pages to finish. How many pages are there in the​ book?
Monica [59]

if Tim has read 10% of the book, that means he still hasn't read 90% of it yet, and we know that that 90% is 45 pages, so say the book has a total amount of pages of "x", which is 100%.

\begin{array}{ccll} pages&\%\\ \cline{1-2} 45&90\\ x&100 \end{array}\implies \cfrac{45}{x}=\cfrac{90}{100}\implies \cfrac{45}{x}=\cfrac{9}{10} \\\\\\ 450=9x\implies \cfrac{450}{9}=x\implies 50=x

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2 years ago
What are the three different kinds of problems we can solve using the percent proportion?
shtirl [24]

Answer:

We have now seen solutions method for the three basic types of percent problems ;finding the amount, the rate, and the base

3 0
3 years ago
Could someone explain this?
77julia77 [94]

9514 1404 393

Answer:

  2

Step-by-step explanation:

The curve's highest value is -1.

The curve's lowest value is -5.

For a symmetrical wave like this*, the amplitude is half the difference between the highest and lowest values:

  1/2(-1 -(-5)) = 2

The amplitude is 2.

_____

* There is no general agreement as to how to compute the amplitude when the wave is asymmetrical. Some authors use the same formula. Some consider the amplitude to be the maximum deviation from average. Some define only a "peak-to-peak" amplitude in those cases. The meaning of "amplitude" in those cases depends on the context in which the question is asked.

8 0
3 years ago
Solve the equation by factoring. z2 − 6z − 27 = 0
Kisachek [45]
The answer is x= 9 and -3

You must fine 2 number that multiply to equal -27 and add to equal -6

(x-9) (x+3)
Then equal the parts of the binomial to zero

x - 9 = 0
x + 3 = 0

You must get x by its self.
When you do so, you'll have the answer as -3 and 9
7 0
3 years ago
Explain how to describe the data on a histogram.
AnnZ [28]
A histogram is a graphical representation of discrete or continuous data. To put it another way, it gives a visual representation of numerical data by displaying the amount of data points that fall within a given range of values.
8 0
2 years ago
Read 2 more answers
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