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Vika [28.1K]
3 years ago
8

I need help on these problems can you please help me it's due tomorrow

Mathematics
1 answer:
Margarita [4]3 years ago
6 0
4. a rational number is any number that you can turn into a fraction or ratio while an irrational number can’t be turned into a fraction ex. pi
5. idk
6. no, the square root of 8 is 2.8
7. it will be closer to 4.5 because the actual square root is 4.47 and you need to round up
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Eli takes a typing test and types all 240 words in 1 10 hour. He takes the test a second time and types the words in 1 12 hour.
alexandr1967 [171]

Answer:

"faster"

Step-by-step explanation:

Let's put the rates of Eli in WORDS PER MINUTE (the normal measure for typing).

First, we need to convert 1/10th of an hour to minutes. Since there are 60 minutes in an hour, we need to multiply 1/10 with 60. So we have:

1/10 hour = 1/10 * 60 = 6 minutes

Now, converting 1/12th of an hour to minutes in the similar manner, we have:

1/12 hour = 1/12 * 60 = 5 minutes

Hence, first time his wpm (words per minute) is ----- 240/6 = 40 wpm

Also, second time his wpm (words per minute) is ------ 240/5 = 48 wpm

2nd time he was faster (since 48 wpm is greater than 40 wpm).

He was faster on his second attempt.

6 0
3 years ago
What percent is represented by the shaded area?
bija089 [108]

Answer:

110%

Step-by-step explanation:

because there are two different squares that represent a whole, each with ten sections, the most reasonable answer would be 110%. I hope this helps you!

6 0
3 years ago
Find the area of the rectangle with the given base and height.
gulaghasi [49]

Answer: Area = 108 in. or 3/4 ft.

Step-by-step explanation: The formula for the area of a rectangle is l•w (length times width).

To get the area, you need to convert the units of measurement to one or the other (either inches or feet) because you cannot multiply them unless they are the same.

To get the area in inches, you convert 3 ft. to inches which is 36 inches, and then multiply it by 3 inches. You will get that the area = 108 inches.

To get the area in feet, you convert 3 inches to feet which is 1/4 (or 0.25) feet and then multiply it by 3 feet which gives you area = 3/4 ft. (or 0.75 ft.). Hope this helps.

4 0
4 years ago
which is a good comparison of the estimated sum and the actual sum of 7 10/12+2 11/12? Greater or lesser
Crazy boy [7]
I would estimate 7 10/12 to 8 and i would estimate 2 11/12 to  3 so 8 plus 3 would equal 11 so that would be the estimate. the actual would be 10 8/11 so the estimate would be bigger.
8 0
3 years ago
Using complete sentences, discuss the different kinds of real numbers. In your answer, glve an example of each type and discuss
Nadya [2.5K]

Answer:

Different type of real numbers include natural numbers, whole numbers, integers, irrational numbers, and rational numbers. Natural numbers are the set of numbers (1, 2, 3, 4...) also known as counting numbers. Whole numbers are natural numbers including zero (0, 1, 2, 3, 4...). Integers are the set of whole numbers and their opposites (-3, -2, -1, 0, 1, 2, 3...). Irrational numbers are numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating. An example of an irrational number is pi (3.14). A rational number is a number that can be written as a fraction. It includes integers, terminating decimals, and repeating decimals. An example of a rational number is the number 214.

Step-by-step explanation:

7 0
3 years ago
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