Posted by steve on Tuesday, September 25, 2012 at 7:16pm.
1. Rosa, Roberto, Andrea, and Inno find an estimate for the square root of 10. Who has proposed the best solution?
a. Rosa: "Use the sqaure root of 9 and the square root of 25 to estimate."
b. Roberto: "I will use the square root of 4 and the sqaure root of 9."
c. Andrea: "It should be the square root of 11 and the square root of 12."
d. Inno: "Use the square root of 9 and the sqaure root of 16 to find the estimate."
2. Joy knits a square blanket that has an area of 1,500 square inches. What is the approximate length of each side of the blanket?
a. 16 in.
b. 27 in.
c. 39 in.
d. 42 in.
3. An example of an irrational number is _____.
a. the negative square root of 17
b. the square root of 16
c. the negative square root of 9
d. the square root of 1
4. Which statement is true?
a. Every real number is an integer.
b. Every rational number is a real number.
c. Every rational number is a perfect square.
d. Every integer is an irrational number.
5. As estimate for the square root of 47 is between __________?
a. 4 and 5
b. 5 and 6
c. 6 and 7
d. 7 and 8
6. An estimate for the negative square root of 72 is _____.
a. 8.1
b. –8.5
c. –9.1
d. –9.5
8. When a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d = 16t^2. The formula assumes that there is no air resistance. Find the time it takes a skydiver to fall 1,551 ft before opening the parachute. Round to the nearest tenth.
a. 9.7 s
b. 9.8 s
c. 9.9 s
d. 2.5 s
9. What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a rational number.
10. How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation

math  steve, Tuesday, September 25, 2012 at 7:20pm
please help beging you plz

math  steve, Tuesday, September 25, 2012 at 7:21pm
im just so stressed right now i have ADHD, ADD, OCD. i have ton of work to do

math  Steve, Tuesday, September 25, 2012 at 7:29pm
see answers confirmed or correct in your first posting of these problems.

math  that person, Wednesday, October 24, 2012 at 1:15pm
1. inno
2. 39 in
3. a
4. every real number is an integer
5. 6 and 7
6. 8.5 most likely or its 8.1 not sure
theirs some of them you can find the rest :D

math  someone, Tuesday, October 1, 2013 at 12:02pm
the answer to number 6 is 8.5, doing this assessment now

math  Anonymous, Thursday, October 9, 2014 at 7:33pm
I cant figure out number 8

math  person who needs help lol, Thursday, October 9, 2014 at 7:38pm
I cant figure out number 8

math  Anonymous, Wednesday, December 3, 2014 at 4:30pm
i need help too

math  not telling you, Friday, December 12, 2014 at 1:50am
number 8 is b

math  Ms.Sue, Wednesday, October 7, 2015 at 10:54am
Why are all of the Students in Connexus Cheating on all Quizzes And Tests I hope you all get caught

math  Jasmine Shaw, Wednesday, October 7, 2015 at 1:02pm
I also go to connections academy! Why are you all cheating!!! You all will be receiving phone calls!

math  Ms. Sue, Wednesday, October 28, 2015 at 1:39pm
Hello, due to the fact of the large amount of students breaking the code of conduct, if you are found taking answers without explanation, your device will be banned from using jiskha.com for a certain amount of time. When the ban is lifted, I hope you will have learned a lesson about the honor code and learning on your own with the provided learning materials provided per lesson.
Ms. Sue

math  omfg, Friday, November 6, 2015 at 3:13am
I swear to god I only come on this site to laugh.

math  noname, Tuesday, November 10, 2015 at 5:55pm
'omfg' don't we all. Lol

math  Anonymous, Friday, October 7, 2016 at 7:08am
I'm in Connected but I use this as to check my answers
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