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inn [45]
3 years ago
11

Stella can earn a prize from the media center if she completes a 192 page book in 12 days how many pages should Stella read each

day to ensure she finishes the book to receive a prize? Explain/support your answer.
Mathematics
2 answers:
galben [10]3 years ago
6 0

Answer:

16

Step-by-step explanation:

valina [46]3 years ago
3 0

Answer:

16 Pages per day.

Step-by-step explanation:

Total Pages of Book = 192

Number of days remaining to earn prize for completing the book = 12

Let x be the nomber of pages which she should read daily to fininsh book in 12 days; Hence

x = 192 / 12

x = 16

So if Stella will read 16 pages per day she will complete the book in 12 days and can earn the prize from media center.

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Use the discriminant to find the number and type of solution for x^2+6x=-9​
likoan [24]

Answer:

D = 0; one real root

Step-by-step explanation:

Discriminant Formula:

\displaystyle \large{D =  {b}^{2}  - 4ac}

First, arrange the expression or equation in ax^2+bx+c = 0.

\displaystyle \large{ {x}^{2}  + 6x =  - 9}

Add both sides by 9.

\displaystyle \large{ {x}^{2}  + 6x + 9 =  - 9 + 9} \\  \displaystyle \large{ {x}^{2}  + 6x + 9 =  0}

Compare the coefficients so we can substitute in the formula.

\displaystyle \large{a {x}^{2}  + bx + c =  {x}^{2}  + 6x + 9 }

  • a = 1
  • b = 6
  • c = 9

Substitute a = 1, b = 6 and c = 9 in the formula.

\displaystyle \large{D =  {6}^{2}  - 4(1)(9)} \\  \displaystyle \large{D =  36 - 36} \\  \displaystyle \large{D =  0}

Since D = 0, the type of solution is one real root.

6 0
3 years ago
A water pump fills a swimming pool at a rate of 80
Nat2105 [25]

9514 1404 393

Answer:

  5 hours

Step-by-step explanation:

The volume of the pool is ...

  V = LWH

  V = (10 ft)(8 ft)(5 ft) = 400 ft^3

At the given fill rate, the time it will take is ...

  (400 ft^3)/(80 ft^3/h) = 5 h

It will take 5 hours for the pump to fill the pool.

3 0
3 years ago
Read 2 more answers
What is half of 126 and please explain
kenny6666 [7]
Half of 126 is 63 because 63+63=126 and 126/2=63
6 0
3 years ago
Read 2 more answers
Describe or show two ways to find the following product: 1/4 x 2/3.
Anon25 [30]
1/4 = 0.25
2/3 = 0.666666667
0.25(0.666666667) = 0.166666667 = \frac{1}{6}
______________________________

\frac{1}{4} ( \frac{2}{3})  =  \frac{2}{12} =  \frac{1}{6} = 0.166666667

7 0
3 years ago
What is the degree of the polynomial −6x3y2+5x4−7z?
saveliy_v [14]

Answer:

4

Step-by-step explanation:

The degree of a polynomial is a coefficient with the highest power. In the polynomial given, the highest degree (power) is 4.

Best of Luck!

4 0
3 years ago
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