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tatuchka [14]
3 years ago
15

What is the answer to #30 and #31

Mathematics
1 answer:
svetoff [14.1K]3 years ago
5 0

Answer:

30) A) 0 / 15 = 0

31)  A) 0/28 = 0

Step-by-step explanation:

30)

0 / 15 = 0

15/0 undefined

15 + 0 = 15

15 - 0 = 15

Answer:

0 / 15 = 0

31) Answer: A) 0/28 = 0

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2) Calculate the surface<br> area of the cylinder:<br> 5 cm
AVprozaik [17]

Answer:

28π cm²

Step-by-step explanation:

The surface of a cylinder is given by the formula:

  • 2πrh + 2πr²

where r is the radius of the base, and h is the height.

Using the image, we can find that the radius of the cylinder would be 2 cm, and the height would be 5 cm.

Now, to find the surface area of the cylinder, we would have to plug in 2 for r (the radius of the base) and 5 for h (the height of the cylinder) into the formula for the surface area of a cylinder.

Now we plug in 2 for r and 5 for h for the equation for the surface area of a cylinder:

2π(2)(5) + 2π(2)² = 20π + 2π(4) = 20π + 8π = 28π

Remember, the radius and the height are given to us in cm, and w are solving for surface area, so the answer should be in cm² (square centimeters).

The surface area of the cylinder would be 28π cm².

28π cm² would be an exact answer. For the approximate answer, plug in 3.14 (most math classes use 3.14 to approximate π) for π.

I hope you find this helpful. :)

5 0
3 years ago
I’m discovering that her family had 70% risk of heart attack Aaron took the treadmill testTo check her own potential of having a
zvonat [6]
Taking a test doesn't lessen your risk of a heart attack
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3 years ago
A length of 9 and<br> a perimeter of 22
Bad White [126]

Answer:

Width is 2 if that's what you were looking for.

Step-by-step explanation:

I'm guessing it's a rectangle and you want the width?

22-9-9=2w

2w=4

The width is 2

4 0
3 years ago
Look at the image below.<br>I give Brainliest<br>Answer the questions.
olchik [2.2K]

Answer:you do every number plus 24 and that’s how you get it

Step-by-step explanation:

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A bakery owner asked 150 customers to taste a new type of cookie and found that 60 people liked it's taste.
FrozenT [24]

Answer:

yes

Step-by-step explanation:

Here is the complete question :

A bakery owner asked 150 customers to taste a new type of cookie and found that 60 people liked its taste. 40% of the surveyed customers like the taste of the cookie. Is it an example of descriptive statistics?

Descriptive statistics are used to summarise the features or characteristics of a data or sample. It provides information on the features of sample collected.

Types of  descriptive statistics

1. Measures of central tendency :

They include mean, median and mode

Mode refers to a value that appears most frequently in a data set.

Median can be described as the number that occurs in the middle of a set of numbers that are arranged either in ascending or descending order

Mean is the average of a set of numbers. It is determined by adding the numbers together and dividing it by the total number

Mean = sum of the numbers / total number

2. Measures of variation : It includes range, standard deviation and variance

3. Measure of position ; percentile and quartiles

4. Measure of frequency : count, percentage

5 0
3 years ago
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