subject
Mathematics, 12.05.2021 22:40 24chrim

Help pls… 88points 1. Find the difference:
(10y2 + 22y + 18) - (7y2 + 19y + 7)
2. The length of a rectangle is 3 inches longer than
twice its width w. Write a polynomial
expression in standard form in terms of w
for the area of the rectangle.
3. Find the area of the rectangle in problem #6 when
w = 10.
4. Simplify the expression and write your answer using
positive exponents:
(-3x)2
5. Simplify the expression and write your answer using
positive exponents:
(t-3)6
6. Simplify the expression and write your answer in
scientific notation: (1.4 X 103)3
7. Simplify the expression and write your answer in
scientific notation: (1.9 X 105)3
8. Solve y = -x2 + 5 when x = -2.
9. Solve y = -x2 + 5 when x = -1.
10. Solve y = -x2 + 5 when x = 1.
11. Solve y = -x2 + 5 when x = 2.
12. Solve y = 2x2 + 1 when x = -2.
13. Solve y = 2x2 + 1 when x = -1.
14. Solve y = 2x2 + 1 when x = 1.
15. Solve y = 2x2 + 1 when x = 2.
16. Mitosis is a process in which a cell divides into
2 identical cells. For instance, after the first
division of a cell, there will be 21 = 2 cells,
after the second division there will be 22 = 4
cells, and after the third division there will be
23 = 8 cells. After how many divisions will
there be 64 cells?
17. Write the next three terms of the sequence given: 2, 6, 18, 54, Separate terms using semi-colons (;).

Thx…….

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
question
Mathematics, 21.06.2019 20:00
James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=
Answers: 1
question
Mathematics, 21.06.2019 20:40
What are the values of each variable in the diagram below?
Answers: 2
question
Mathematics, 21.06.2019 21:30
Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )
Answers: 1
You know the right answer?
Help pls… 88points 1. Find the difference:
(10y2 + 22y + 18) - (7y2 + 19y + 7)
2. The l...
Questions
question
Mathematics, 01.04.2021 22:30
question
Biology, 01.04.2021 22:30
question
Mathematics, 01.04.2021 22:30
question
Mathematics, 01.04.2021 22:30
question
Mathematics, 01.04.2021 22:30