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Math help
Questions and answers by visitors named
Math help
Questions (20)
1. Assume that n is a positive integer. Use the proof by contradiction method to prove:
If 7n + 4 is an even integer then n is an
2 answers
604 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine:
a.In
1 answer
1,089 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the
68-95-99.7 Rule, Determine: a.In
2 answers
796 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: In what
2 answers
492 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
1 answer
425 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
3 answers
966 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
1 answer
423 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: 1. What
2 answers
920 views
1)a bag contains five red marbles and seven blue marbles. you pull one marble out of the bag and replace it before putting out a
10 answers
684 views
Simple probability
You have 20 crayons to choose from : 5 are blue, 3 are green, 8 are red and 4 are orange. If you randomly
5 answers
918 views
1) X/4+10=14
A)96 B)46 C)16 D)-16 2) 2(2-2x)=-3x A)-4 B)4 C)6 D)0 3) 3.75x+3.7=1.7+1.75x A)10 B)-1 C)1 D).1 Answers : B C C ???
7 answers
1,647 views
5 kids (A, B, C, D and E) are playing games in the playground. In each round, they follow the rules below to pass on the toy on
3 answers
552 views
What is the angle between the hour hand and minute hand of a clock at 2:37 p.m?
4 answers
1,231 views
On a clock face, a line is drawn between 9 and 3 and another between 12 and 8. What is the acute angle between these lines?
A.45
3 answers
676 views
A 4x4 grid with 5 blocks shaded in, I need to write a percent and a ratio for it.
A. 1/5, 25% B. 5/16, 31.2% C. 1/4 , 20% D. 1/4,
11 answers
2,541 views
Which statement best explains if the graph correctly represents the proportional relationship y = −2x?
A coordinate plane is
6 answers
2,717 views
A research based on 150 students relating to their favorite fruit revealed the
following: 90 students preferred Apples; 75
4 answers
851 views
the following points are plotted on a coordinate plane (-1.2), (-1.7) and (4.2) if the points are connected by a straight line
4 answers
1,340 views
Dana is going to draw marbles out of the bag. In the bag, there are 10 marbles. There are 4 black marbles, 5 white marbles, and
2 answers
581 views
7 Georgia is given the equation 4(k - 5) + 3k = 1 , and asked to solve for k. Which of the following is the first step Georgia
2 answers
485 views
Answers (12)
What is the right answer. How about A.
Great explanation thank you
@steve
Thank you, now could you please explain the other two I'm just not getting it right
So it's C for number 1? @steve
Are you sure I just need help on the percent
A red crayon sorry bout that
Number 4 would be 50%
Please????
And 4?
Can u at least tell me if I was right about numbers 1&2?
You don't know anything?
