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4vir4ik [10]
3 years ago
7

Find the discriminant. - 4y^2- 8y + 2 = 0

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

this is not equal to zero

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Someone please helppp
KiRa [710]

Answer:

2,16  16,2

Step-by-step explanation:

probally wrong

7 0
3 years ago
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Please help, urgent... Which transformation can not be used to prove that triangle ABC is congruent to triangle DEF?
AlladinOne [14]

Answer:

Dilation

Step-by-step explanation:

Dilation can only be used to prove that certain figures are similar

3 0
3 years ago
A deck of cards contains red cards numbered 1,2,3, Blue cards numbered 1,2,3,4,5,6, and green cards numbered 1,2. If a single ca
serg [7]

Answer:

\frac{9}{11}

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

We have:

3 red cards

6 blue cards

2 green cards.

What is the probability that the card is not green?

3 + 6 + 2 = 11 cards, of which 3 + 6 = 9 are not green. So

\frac{9}{11} probability that the card is not green

4 0
3 years ago
A number cube is tossed 8 times. What is the probability that the cube never lands on 3?.
tino4ka555 [31]

The probability that the cube never lands on 3 is (D) 23.3%.

<h3>What is probability?</h3>
  • A probability formula can be used to calculate the likelihood of an occurrence by simply dividing the favorable number of possibilities by the entire number of possible outcomes.

To find the probability that the cube never lands on 3:

Given -

  • Number cube toss = 8

Required

  • Probability of not landing on 3.

First, we need to get the probability of landing on 3 in a single toss.

For a number cube,

  • n(3) = 1 and n(total) = 6

So, the probability is P(3) = 1/6

First, we need to get the probability of not landing on 3 in a single toss.

Opposite probability = 1.

  • So, P(3) = P(3') = 1.

Make P(3') the subject of the formula.

  • P(3') = 1 - P(3)
  • P(3') = 1 - 1/6
  • P(3') = 5/6

In 8 toss, the required probability is (P(3'))⁸

This gives:

  • P = (5/6)⁸
  • P = 390625/1679616
  • P = 0.23256803936

Approximate to 1 decimal place, P = 23.3%.

Therefore, the probability that the cube never lands on 3 is (D) 23.3%.

Know more about probability here:

brainly.com/question/25870256

#SPJ4

The correct question is given below:
A number cube is tossed 8 times. What is the probability that the cube never lands on 3?

A. 6.0%

B. 10.4%

C. 16.7%

D. 23.3%

5 0
1 year ago
Please I really need help:
Kobotan [32]
Hi there

The answer is
b.) y=8,000(1.14)^x

Good luck!
6 0
3 years ago
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