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Kobotan [32]
3 years ago
9

Nicholas decided to take a hot air ballon ride. After being in the air for 20 seconds, he is 200 feet above the ground. After be

ing in the air for 60 second, he is 400 feet above the ground. What is his rate of ascent in feet per second?
Mathematics
1 answer:
tester [92]3 years ago
6 0

300 feet per minute

because it is a ratio


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Witch expression is equivalent to 5(6xt 3y)
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Answer: multiple choice?

Step-by-step explanation:

3 0
2 years ago
algebraically determine the values of h and k to correctly complete the identity stated below : 2 x cubed - 10x squared + 11x -
11Alexandr11 [23.1K]

Answer:

The values for expression is h = - 2 and k = 5

Step-by-step explanation:

Given algebraic expression can be written as :

2 x³ - 10 x² + 11 x - 7 = ( x - 4 ) × ( 2 x² + h x + 3 ) + k

Now opening the bracket

Or, 2 x³ - 10 x² + 11 x - 7 = x × ( 2 x² + h x + 3 ) - 4 × ( 2 x² + h x + 3  ) + k

Or, 2 x³ - 10 x² + 11 x - 7 = 2 x³ + h x² + 3 x - 2 x² - 4 h x - 12  +k

Or , 2 x³ - 10 x² + 11 x - 7 = 2 x³ + ( h - 2 ) x² + ( 3 - 4 h ) x - 12  + k

Now, equating the equation both sides

I.e  - 10 =  ( h - 2 )

Or , h - 2 = - 10

I.e , h = - 10 + 2

∴ h = - 2

Again , 11  = ( 3 - 4 h )

or, 11 = 3 - 4 h

or, 11 - 3 = - 4 h

or, 8 = - 4 h

∴ h = \frac{-8}{4}

I.e h = - 2

Again

- 7 = - 12 + k

Or, k = - 7 + 12

∴  k = 5

Hence The values for expression is h = - 2 and k = 5    . Answer

5 0
2 years ago
Consider f(x) = 4x^3 – 5, g(x) = 2x + 5 and h(x) =2x^2+2x. Which statement about (f + g – h) is true?
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\large{\mathcal{ANSWER:}}

b) It is a cubic function of 4 terms.

  • In this case p(3) = t + 2 is synonymous for p = 3 + 2. Remember p is synonymous for y. So in this equation it is p = 5.

\underline{\boxed{\purple{\tt{©⚘MissyRiel}}}}

Hope this helps!

3 0
2 years ago
Maggie is participating in her school reading challenge. She reads 40 books in 6 months. If 26 of the books are fiction, what pe
pentagon [3]
Answer: 35%

1. 26 fiction books divided by all 40 books equals 65% fiction books.

2. Then do 100% - 65% to get 35%

OR

1. All 40 books minus 26 fiction books
= 14 nonfiction books.

2. Do 14 divided by 40 to get 0.35, = 35%
4 0
3 years ago
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