Finish 1-8 the hole page

Answers

Answer 1

Answer: I can't show my work, because there are so many questions and I simply don't have the time, but I will give you the answers.
1.) > 2.) < 3.) > 4.) < 5.) < 6.) >
7.) 3,368,742 then 3,356,000 then 2,937,158 then 2,359,412.
8.) 2,112,300 then 2,103,425 then 2,009,832 then 2,009,604.

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Describe a way that someone could estimate the length of a book

Answers

Answer with explanation:

→The best estimation of a book will be in terms of CM(Centimeter) or Feet.

→We Should use "Centimeter Scale or Measuring tape" for this purpose.

→Otherwise, take a thread ,Put one end of thread on one end of book, that is along the longer side, and keep elongating the thread until you reach the other end.Now, with the help of Different kind of Measuring tape,you can find the length of that thread Accurately.And that will be the length of the book.

Somebody can estimate the length of a book by using a ruler and rounding it to the nearest whole number.

A study found that a student's GPA, g, is related to the number of hours worked each week, h, by the equation g=-0.0007h^2+0.015h+3.03. Estimate the number of hours worked each week for a student with a GPA of 2.15.

Answers

Answer:

A student with GPA of 2.15 worked 47.8 hours per week.

Step-by-step explanation:

To find the numbers of hours worked when the GPA is 2.15, we solve the equation when $g=2.15$ or:

$2.15= -0.0007h^2+0.015h+3.03$

which can be rewritten as (by subtracting 2.15 from both sides)

$-0.0007h^2+0.015h+0.88=0$ .

We solve this using the quadratic equation which says, for $ax^2+bx+c=0$ ,

$x=(-b\pm√(b^2-4ac) )/(2a)$

in our case

$a=-0.0007$

$b=0.015$ ,

therefore, we have

$x=(-0.015\pm√(0.015^2-4(-0.0007)(0.88)) )/(2((-0.0007) )$

$x=(-0.015\pm0.051856 )/(-0.0014 )$

$\boxed{x=47.8}\n\n \boxed{x =-26.3}$

and since only the positive solution applies to the real word, we choose $x=47.8$ , and therefore, a student with GPA of 2.15 worked 47.8 hours per week.

I need help with #3

Answers

Unit rate = 3/8 : 1/6

We can also write this as:

3/8 / 1/6

Flip the 2nd fraction and multiply:

3/8 * 6/1

Multiply the numerators and denominators together:

18/8

Simplify by dividing the numerator and denominaotr by 2:

18 / 2 = 9
8 / 2 = 4

So we have:

9/4

Combine like terms
9j+34j

Answers

the answer is 43j you just have to add them together

9j+34j = 43j
43j simplifies to 43, since you already added both j's together.

Izzy deposits any money the team has left at the end of the season into a savings account, where it will remain until next season. This year, Izzy deposited $440 into a savings account that earns 312% simple interest. If the next season starts in 6 months, how much money will be in the account then? Explain