***20 POINTS***Determine whether each expression is a polynomial. If it is a polynomial, find the degree and determine whether it is a monomial, binomial,or trinomial.
7a^2b + 3b^2
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This is a polynomial I just took this lesson on EDG about 30m ago.
All the numbers are whole, and there are 2 terms so it is a binomial.
Answers: Polynomial, Binomial.
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Someone Please Help!!! A barrel of tomato sauce has spilled on a tile floor. The sauce flow can be expressed with the function r(t) = 2t, where t represents time in minutes and r represents how far the sauce is spreading. The spilled sauce is creating a circular pattern on the tile. The area of the pattern can be expressed as A(r) = πr2. Part A: Find the area of the circle of spilled sauce as a function of time, or A[r(t)]. Show your work. (6 points) Part B: How large is the area of spilled sauce after 5 minutes? You may use 3.14 to approximate π in this problem. (4 points)
Can this be simplified
What is the relationship among proportional relationships lines, rates of change, and slope?
Two of your friends, Matt and Karen, both run to you to settle a dispute. They were working on a math problem, and got different answers. Wisely, you decide to look at their work to see if you can spot the source of confusion.Matt6 – 4(3 – 5)2 + 30 ÷ 56 – 4(–2)2 + 30 ÷ 56 – 4(4) + 30 ÷ 56 – 16 + 30 ÷ 5−10 + 30 ÷ 520 ÷ 54Karen6 – 4(3 – 5)2 + 30 ÷ 56 – 4(–2)2 + 30 ÷ 56 – 4(−4) + 30 ÷ 56 + 16 + 30 ÷ 56 + 16 + 622 + 628 Explain to Matt and Karen who, if either, is correct, and identify errors that you find. Provide the correct manner to fix those solutions, and identify the correct answer. Use complete sentences.
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Answer:
A
Step-by-step explanation:
True
False
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false
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Vertex at origin, Focus (0,-1/32)
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thank you
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x > -15 - 4
x > -19
The answer is: x > -19.
(Points : 1)
$11.50
$20.00
$47.50
$28.50
Question 2. 2. Your parents gave you $50 to take your younger brother and sister to the movies. You ticket cost $7.25 and your siblings cost $4.25. If you spent an additional $10 on soda and popcorn, how much money did you bring home with you?
(Points : 1)
$40
$28.75
$22.50
$24.25
Question 3. 3. How much change from $90 would you receive if you bought 5 concert tickets at $16.85 each?
(Points : 1)
$5.75
$9.00
$7.10
$22.60
Question 4. 4. Marta is buying 7 tickets from Ticket Buy at $13.79 each. If the broker charges $2.50 handling per ticket and $9.00 shipping, how much is her total cost?
(Points : 1)
$96.53
$123.03
$159.53
$177.03
Question 5. 5. Tickets to the Planetarium cost $5.25 each and come in a book of 8. How much change will Kenny get from $60 if he buys a book of 8?
(Points : 1)
$18.00
$54.75
$12.00
$11.50
Question 6. 6. Jason has "buy one get one free" tickets to the comedy club. He is bringing 7 people, including himself. If the regular price is $10.25 per person, how much change will he have left from $100 bill?
(Points : 1)
$28.25
$59.00
$41.00
$71.75
Question 7. 7.
Which would cost less and by how much: you and a friend go to Theater Y and you each buy a drink/popcorn combo (tickets are 8.25 each and a drink/popcorn combo is 4.50 each), or you and your friend rent a video for $4.50 and buy a 2 liter of cola ($1.50) and a bag of microwave popcorn ($2.00) to share?
(Points : 1)
Theater Y by $17.50
Home by $17.50
Theater Y by $8.00
Home by $8.00
Question 8. 8. The Movie Fan store rents videos for $3.99 each. You can get a two week movie pass for $20 and rent unlimited movies. If you were going to rent 4 movies in the next two weeks, which is cheaper, separate rentals or the movie pass?
(Points : 1)
separate rentals
movie pass
1.c 2.d 3.a 4.b 5.a 6.c 7.b 8.a Help if you can there simple math problems but I know I got 2 wrong what ones are they??? I know because I took a quiz on them and got 2 wrong I just want to know which ones so I can retake it.
Answers
$47.50;
$24.25;
$5.75;
$123.03;
$18;
$59;
Home by $7.50; and
separate rentals.
Explanation:
For the first question:
Your family purchases 2 adult tickets at $8 each; 2*8=16. You then purchase 1 10-18 ticket for $7.25 and 1 under 10 ticket for $4.25. You then purchase $20 in soda and popcorn. This gives us a total of:
16+7.25+4.25+20=47.50.
For the second question:
You purchase your ticket for 7.25 and a ticket for each of your siblings at 4.25, which is 2*4.25=8.50. You then purchase $10 in soda and popcorn. This gives us a total of:
7.25+8.50+10=25.75.
The change will be:
50-25.75=24.25.
For the third question:
5 tickets at $16.85 each would be 5*16.85=84.25.
This gives us
90-84.25=5.75 in change.
For the fourth question:
7 tickets at $13.79 each will cost 7*13.79=96.53.
The handling for all 7 tickets, at $2.50 each, will be 7*2.50=17.50
These together with the shipping charge will be
96.53+17.50+9=$123.03.
For the fifth question:
The book of 8 tickets, which cost $5.25 each, will be 8*5.25=$42.
This will give us
60-42=$18 in change.
For the sixth question:
He has buy one get one free tickets; this means he will buy 3 tickets and get 3 free for the first 6 tickets. He will then need to buy the 7th ticket; this means he will pay for 4 tickets:
4*10.25=$41.
Out of $100, he will have
100-41=$59 in change.
For the seventh question:
The tickets at Theatre Y cost 8.25*2=16.50. Two drink/popcorn combos at the theatre will cost 4.50*2=9. Together, this is 16.50+9=25.50.
The cost of the dvd rental (4.50), soda (1.50) and popcorn (2.00) at home is 4.50+1.50+2=8. This makes staying at home the cheaper option; it is
25.50-8=$17.50 cheaper.
For the eighth question:
4 separate rentals will cost 4*3.99=$15.96. This is cheaper than $20.