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Digiron [165]
3 years ago
7

What values of a, b, and c would you use in the quadratic formula for the following equation?

Mathematics
1 answer:
Agata [3.3K]3 years ago
6 0
D has to be the answer mane
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Solve 2x – 5 = 7?<br> What is the answer?
oksano4ka [1.4K]

Answer:

x = 6

Step-by-step explanation:

8 0
3 years ago
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What are the solutions of the quadratic equation?<br> 5x^2+51x+54 = 0
pentagon [3]
X = - 6/5 or x=-9 !!!!!!!!!!!!!
7 0
3 years ago
Minute Maid states that a bottle of juice contains 473 mL. Consumer groups are interested in determining if the bottles contain
kramer

Answer:

The average contents of all bottles of juice in the population

\mu = 473\text{ mL}

Step-by-step explanation:

We are given the following in the question:

Population mean, μ =  473 mL

Sample mean, \bar{x} = 472 mL

Sample size, n = 30

Sample standard deviation, s = 0.2

First, we design the null and the alternate hypothesis

H_{0}: \mu = 473\text{ mL}\\H_A: \mu < 473\text{ mL}

Representation of \mu

  • It is the population parameter for mean.
  • Thus, it represents the average contents of all bottles of juice in the population, which is 473 mL.

6 0
3 years ago
17 1/3 + (-50 1/3)-5 1/2
nika2105 [10]
I already answered this question
<span>17 1/3 + (-50 1/3) -5 1/2 
= -33  - 5 1/2 
= (</span>-33 ) + ( - 5 1/2)
<span>= -38 1/2
</span>= -38.5
4 0
3 years ago
BIG POINTS!!!+BRAINLIEST ANSWER!!! BONUS!!!
Alekssandra [29.7K]

Answer:

30

Step-by-step explanation:

let number of questions in the test be x

9 of the first 10 questions are correct

so only x-10 questions remain

3/10 of the (x-10) = 3/10(x-10) questions are correct

scored 50% for the whole test

so only half of x = x/2 questions are correct

combining the above:

9+3/10(x-10) = x/2

9+3/10x-3=x/2

9-3=(1/2-3/10)x

1/5x=6

x=30

5 0
3 years ago
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