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egoroff_w [7]
2 years ago
13

Mr. Li records the measures of the lengths of his students’ handprints. The lengths, in centimeters, are shown in the table.

Mathematics
2 answers:
Studentka2010 [4]2 years ago
6 0

Answer:

8, i took the test on edg

Step-by-step explanation:

Alla [95]2 years ago
4 0

Answer:

the answer to your question would be 8

Step-by-step explanation:

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“there are several approximations used for pi, including 3.14 and 22/7. pi is approximately 3.14159265358979..." a. label pi and
BlackZzzverrR [31]
Hello,

a) | |PA|-π |>| |PB|-π | (see pic)

c) 3.14< x/113 <=π <22/7

==>3.14*113<x<22/7 * 113
==>354.82 <x < 355.14285
==>x=355


Answer 355/113=3,1415929203539823008849557522124



6 0
2 years ago
The quotient of -8 and the sum of a and b
Mamont248 [21]

Hi! I'm happy to help!

To solve this, you need to know what all of the terms mean. Quotient means division, and sum means addition. Knowing this we can set up our expression.

Because there is an operation inside of an operation (addition inside of division) we use parenthesis.

<u>-8÷(a+b)</u>

I hope this was helpful, keep learning! :D

3 0
2 years ago
Hence explain how you know that x^2-8x+20 is always positive
Tasya [4]

If you complete the square you get

{(x - 4) }^{2}  + 4

and as any number squared is positive and 4 is positive, the result must be positive

6 0
2 years ago
Read 2 more answers
A lecture hall seats 220 people. If 99 people are in the lecture hall, what percentage of the seats are filled?
kotykmax [81]

Answer:

45%

Step-by-step explanation:

To find the percent, we write the information as part/whole:

99/220

Now we convert to a decimal by dividing:

99/220 = 99÷220 = 0.45

Lastly, multiply by 100:

0.45(100) = 45

5 0
2 years ago
Read 2 more answers
Jan went to the mall with $20. She spent $5 at the mall. What decimal represents how much of her $20 she spent at the mall? Expl
Kipish [7]

Answer:

$20= 100%                   I 20x =500

$5=x                             I  x= 500/20

                                     I x = 2.5                

Step-by-step explanation:


3 0
2 years ago
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