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algol [13]
4 years ago
8

Suppose there are 20 questions on a multiple choice test. Is 25% of the answers are choice B, how many of the answers are not ch

oice B?
Mathematics
1 answer:
dangina [55]4 years ago
5 0
25% of 20 is 5. If 5 questions are B, the. the other 15 are not B.
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I know the answer is no x intercepts because we have an answer sheet to check our answers i just forgot how to do this and would
dezoksy [38]

Answer:

negative square root will result in zero x-intercepts

Step-by-step explanation:

there are no x-intercepts because if you use the quadratic formula on the equation you get a negative square root which results in zero x-intercepts

in this case, a=-1, b=4, c=-12

[-4±√4² - 4(-1)(-12)] / 2(-1)

= [-4 ± √16-48] / -2

= -4 ± √-32 / -2

7 0
3 years ago
What is the ratio of surface <br> area to volume?
Katena32 [7]
The ratio of surface area to volume is the amount of surface area per unit volume of a thing. This is an important value in various topics. In chemistry, this is an important value for chemical reactions. It can show reactivity of a solid material. Also, it has found some importance in biology because it shows how the cells are affected by the environment where that cell is found.<span />
6 0
4 years ago
Use the Factor Theorem to determine if x – 2 is a factor of g(x) = 2³ − 5x²+x+2
MA_775_DIABLO [31]

Answer:

  (x -2) is a factor

Step-by-step explanation:

The factor theorem tells you that (x-2) is a factor of g(x) if g(2) = 0.

  g(2) = 2·2³ -5·2² +2 +2 = 16 -20 +2 +2 = 0

Since g(2) = 0, (x -2) is a factor of g(x).

__

The graph shows us the complete factorization is ...

  g(x) = (2x +1)(x -1)(x -2)

4 0
3 years ago
F(x) = x^2. What is g(x)?
ladessa [460]

Answer:

-x²-2

Step-by-step explanation:

x² = the curve faces upwards

but

-x² the curve faces downwards.

also

the downward curve touches -2 on the y axis.

therefore gx = -x²-2

4 0
3 years ago
Calculator
agasfer [191]

Answer:

Step-by-step explanation:

13.5cm

7 0
3 years ago
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