Write down the next term of the sequence 2 5 11 20 32...Write down the 5th term in the sequence given by: T(n)= n²- 7

Solve 3 x ≤ 6

If the relative frequency of a train being on time is 0.4 how often could you expect the train to be on time over 20 days?

Answers

Answer 1

Answer: 2,5,1,20,32,47

$T(5)=5^2-7=18$

$3x\leq6\nx\leq2$

$0.4\cdot20=8$

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I know that the answer to this is all real numbers less than or equal to 5. My question is how do you solve this (without a calculator)? Given f(x) = -3x^2 +5, what is the range of the function I tried to use -b/2a but I probably did it wrong. Thanks

A CABLE COMPANY CHARGES $25 PER MONTH AND $5 FOR EVERY PAY-PER-VIEW MOVIE ORDERED. WRITE THE EQUATION THAT REPRESENTS THE SITUATION,LET B represent the total bill and M represent the number of moviescomplete the table
M B
1 30
2
3
65 graph the solution

Answers

B=m*5+25
M=2. B=2*5+25=35
M=3. B=3*5+25=40

Answer:

B = 25+5x

Step-by-step explanation:

B = 25+5x

Since 25 is a set price you leave it by itself, but since you don't know how many movies are ordered, you say 5x (5 times the amount ordered).

M B

1 $30 --> 25+5x1 = 30

2 $35 --> 25+5x2 = 25+10 = 35

3 $40 --> 25+5x3 = 25+15 = 40

8 $65 --> you can do that trial error method, sub in numbers in place of M

to figure out what adds up to $65. In this case it was 8

Just put that into a graph now, so put M on the x axis, and B on the y axis, and plot dots for each number, and draw a line linking the dots

Hope this helped :)

One day, ms sanders notices that her car’s odometer has exactly 1000 miles on it. She knows she drives 14 miles every day to and from PLA. Three days later, she looks at her car’s odometer again. How many miles are on the odometer ( considering she hasn’t driven anywhere else.)

Answers

The answer should be 1,084
Explanation: she drives 14 miles to PLA and 14 miles from PLA. that’s 28 miles in a day multiply the 3 days she travels back and forth and it gives you 84 miles, plus the 1000 she already had.

Vicki puts 10 books on a shelf. The 10 books take up 28 cm. What is the mean (average) thickness of her books? Can I have it worked out as well plz? I really need to understand it.

Answers

Average thickness of book = Total thickness/mo. of books
= 28 cm/ 10
= 2.8 cm
Thus, on average, each book has 2.8 cm thickness.

If the ten books are 28cm thick then the average thickness is 28 (the total thickness) divided by 10 (the number of books).

28cm divided by 10 is 2.8cm.

So the average thickness is 2.8cm!

What is the area of the equilateral triangle?

Answers

the area of an equilateral triangle is A= 3/4a squared.

How do you simplify (9x^8 y^3)^1/2

Answers

$\left(9x^8y^3\right)^(1)/(2)=\left(3^2x^8y^3\right)^(1)/(2)=\left(3^2\right)^(1)/(2)\cdot\left(x^8\right)^(1)/(2)\cdot\left(y^3\right)^(1)/(2)\n\n=3^{2\cdot(1)/(2)}\cdot x^{8\cdot(1)/(2)}\cdot y^{3\cdot(1)/(2)}=3^1\cdot x^4\cdot y^(3)/(2)=3x^4\cdot y^{1(1)/(2)}\n\n=3x^4\cdot y^{1+(1)/(2)}=3x^4\cdot y^1\cdot y^(1)/(2)=3x^4y√(y)$