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slavikrds [6]
3 years ago
12

Suppose the teacher begins recording on a digital camera with an hour available. Show that there is enough time to record everyo

ne if she gives a 15 minute introduction at the beginning of class and every student takes a minute to get ready.
________________________________How much time is left on the digital camera?
________________________________
Mathematics
1 answer:
kogti [31]3 years ago
5 0
22. Suppose that the teacher started recording on a digital camera with an hour available. She gives 15 minutes introduction. Thus 60 minutes – 15 minutes is 45 minutes. She still have 45 minutes remaining, now the question is how many minutes will remain if she uses 1 minutes per students. Since the number of students is not given. It depends on how many students will be there. For example 25 students thus that’s equals to 25 minutes also. So she has a 20 minutes remaining.,
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A survey found that 12 out of 30 people preferred bacon over sausage. According to this survey, what percent of people prefer ba
postnew [5]

Given

A survey found that 12 out of 30 people preferred bacon over sausage.

Find out the  what percent of people prefer bacon over sausage.

To proof

As given in the question

survey found that 12 out of 30 people preferred bacon over sausage.

Total number of people = 30

people preferred bacon over sausage = 12

Formula

Percentage =\frac{Part}{Total} \times 100

put the value in the formula

Percentage\ of\ prefer\ bacon\ over\ sausage = \frac{12}{30} \times 100

solve the above

percent of people prefer bacon over sausage = 40 %

Hence proved


3 0
3 years ago
The height of a model rocket is 4.5% of the height of the actual rocket.The model is 1.22 m high.How high is the actual rocket
Serjik [45]

Answer:

Actual Height = 27.11 m

Step-by-step explanation:

Given:

Height of model rocket = 4.5 % of actual Height

Model Height = 1.22 m

To Find:

Actual Height of rocket = ?

Solution:

We have to Find the Actual Height of the rocket

Let actual height be x

Now it is given that

Height of model rocket = 4.5 % of actual Height

As we have the values so putting it in it becomes

1.22 = 4.5 % * x

it could be written as

1.22=\frac{4.5}{100}*x

Multiplying both sides by \frac{100}{4.5}

it becomes

1.22*\frac{100}{4.5} = x

\frac{122}{4.5} = x

27.11 m =x

or

Actual Height = 27.11 m

6 0
3 years ago
Solve the following equation for x.
olganol [36]

Answer:

265/91

Step-by-step explanation:

7 0
4 years ago
If ab=12 cm bc=5 cm find the length of AC in Right angled triangle ABC.​
lutik1710 [3]

Answer:

SEE BELOW

Step-by-step explanation:

Since,  △ABC  is a right angled triangle. We can apply Pythagoras' Theorem to find the length of AB.

According to Pythagoras’ theorem, “In a right angled triangle: The square of the hypotenuse is equal to the sum of the squares of the other two sides.”

Applying Pythagoras’ theorem in  △ABC,  we get

AB2=AC2+BC2  

⇒AB2=52+122  

⇒AB2=25+144  

⇒AB2=169  

⇒AB=169−−−√  

⇒AB=13  cm

5 0
3 years ago
Read 2 more answers
The perimeter of the rectangle below is 84 units. Find the length of side PQ.
Sati [7]
(3x27)+3=84 so to the power is right ko
7 0
3 years ago
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