MATHEMATICS MIDDLE SCHOOL

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.

Answers

Answer 1

Answer:

The length of each segment can be determine by subtract the length of three commercial.

The length of each segment is 5 minute 37.5 seconds.

Given:

Duration of TV program is 30 minute.

Duration of TV commercials is $2(1)/(2) \:\rm minutes$ .

Calculate the total length of three commercials.

$\begin{aligned}\rm {Total\: length}=(2(1)/(2))*3\n=2.5* 3\n=7.5\n\end$

Subtract 7.5 from total 30 min TV program.

$=30-7.5\n=22.5$

Now calculate the equal length of entertainment segments.

$\begin{aligned} \rm {Equal\: Length}=(22.5)/(4)\n= 5.625 \:\rm min\n\n=5 \:\rm min\:\rm and\: 37.5\: second\end$

Thus, the length of each segment is 5 minute 37.5 seconds.

Learn more about time calculation here:

brainly.com/question/5962504

Answer 2

Answer: 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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a gym holds one 60- minute exercise class on Saturday and several 45 minute classes lasted a total of 285 minutes. write a equation to find the number of weekday classes

Answers

Assuming the 45 min classes were on the weekdays, this is the equation I would use:

60+45a=285

Where 60 is the Saturday class, 45a are the 45 minute weekday classes times a amount of classes and 285 is the total amount of minutes.

Also, here is how to solve the equation to find the number of weekday classes, which is 5.
60+45a=285
-60 -60
45a=225
----- -----
45 45
a=5

6 7/15 in simplest form

Answers

6 7/15. First change to improper fraction.

(6*15 + 7) / 15

97 / 15 There is no number that can go into 97 and 15 at the same time

= 97 / 15 in simplest form.

By how many cm is 1/10 m longer than 1/100 m

Answers

1 cm is 1/100 m
so is 1/10 meter is 9 cm longer than 1/100 meter.

Work out the circumference of a circle with diameter 1.8 cm.Take it to be 3.142 and give your answer to 1 decimal place.

Answers

Answer: 5.7

Step-by-step explanation:

Multiply the diameter by pi 3.14

Determine the value of impulse from this graph of momentum vs time

Answers

Answer:

The value of impulse is 9 N-s.

Step-by-step explanation:

The momentum vs time graph shows the impulse

Impulse :

Impulse is the product of force and time.

In mathematical terms,

$I= F\Delta t$

Where, F = force

t = time

According to graph,

Impulse $I = F\cdot t$ =total area

$I=(1)/(2)*3*6$

$I=9\ N-s$

Hence, The value of impulse is 9 N-s.

Answer:

try 12 Newton seconds

Step-by-step explanation:

I think it's going to be 12 because if you find the slope of the first line you get 1 Newton and the slope of the second line is -1 Newton's. so that means there is a change of -2 newtons. so if you multiply -2 Newton's by the 6 seconds you -12 Newton seconds. let me know if this is correct as it's been a while since I've done this type of stuff.

Skylar makes turkey sandwiches for a family reunion he purchases 5 lbs. 4 oz. of sliced turkey for $26.88 what is the unit cost per ounce for turkey skylar purchased