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NARA [144]
2 years ago
7

A class of students recorded the amount of time spent on homework on Monday night. The times are recorded below, in ours. Use th

e data to answer question 8-10
1 3/4 2 1/4 2 2 3/4

1 1 3/4 1 1/4 3

3 1/4 3 3/4 2 2


8. Make a line plot of the data shown above. Be sure to include a title and correctly label each value


9. Julie says the most amount of time spent on homework is 1 1/2 times the lest amount of time spent on homework. Is she correct? Explain.

10. Daniel says that more than half the students spent 2 1/2 hours or more on homework. Liz says more that half the students spent less than 2 1/2 hours on homework. Who is correct? Explain.

I need help ASAP
Mathematics
1 answer:
Amanda [17]2 years ago
7 0
The line plot is the smallest fraction to the biggest and how many times that fraction was said is how many x’s go on top of that fraction for instance
The smallest number is 2 is the smallest so make a line plot and put the smallest number then the next biggest number then to the biggest and put a x over how many times that was used
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PLEASE HELP
ivann1987 [24]

Answer:

Non

Step-by-step explanation:

4 0
4 years ago
3. Multiply the polynomials (a2 + 3a – 4) and (2a2 – a + 5). Simplify the answer. Show your work.
Crazy boy [7]

The product of given polynomials is:

2a^4+5a^3-6a^2+19a-20

Step-by-step explanation:

Distributive multiplication will be sued to multiply the given polynomials

Given expressions are:

a^2+3a-4\\and\\2a^2-a+5

So,

(a^2+3a-4)(2a^2-a+5)\\= a^2(2a^2-a+5)+3a(2a^2-a+5)-4(2a^2-a+5)\\=2a^4-a^3+5a^2+6a^3-3a^2+15a-8a^2+4a-20

Combining like terms

2a^4-a^3+5a^2+6a^3-3a^2+15a-8a^2+4a-20\\=2a^4-a^3+6a^3+5a^2-3a^2-8a^2+15a+4a-20\\= 2a^4+5a^3-6a^2+19a-20

Hence,

The product of given polynomials is:

2a^4+5a^3-6a^2+19a-20

Keywords: Polynomials, expressions

Learn more about polynomials at:

  • brainly.com/question/4639731
  • brainly.com/question/4655616

#LearnwithBrainly

7 0
4 years ago
I need help please! my test is almost over in 15 min help!!!!!!!!!!!!
Leya [2.2K]

Answer:

The radius is 7

The diameter is 14

The circumference is 43.98 (if they want it simplified put 44)

Step-by-step explanation:

1.The radius is already given in the picture so the answer is 7

2.To find the diameter, multiply the radius by two. 7 times 2=14

3.The formula for circumference is C=2\pir. Remove the r and replace it with the number 7.  Plug 2\pi7 into your calculator and you will get 43.98

8 0
3 years ago
Read 2 more answers
The triangle below models a section of the supports you might see in a construction crane.
IgorLugansk [536]

Exactly what was your answer for a

3 0
3 years ago
16x^3<br> And divide <br> 10x^1
Kay [80]

Answer:

8x^3/5

Step-by-step explanation:

Evaluate the exponent

16x^3/10

Factor 2 out of 16x^3

2(8x^3)/10

Cancel the common factors

Factor 2 out of 10

2(8x^3)/2(5)

Cancel the common factor

(8x^3)/5

Rewrite the expression

8x^3/5

I hope this helps! :)

4 0
3 years ago
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