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3 years ago

What is the discriminant of the quadratic equation 0 = _x2 + 4x – 2?

Mathematics

2 answers:

Snowcat [4.5K]3 years ago

6 0

The discriminant is 24

kipiarov [429]3 years ago

5 0

24 is the right answer

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The pie chart to the right shows how adults rate their financial shape. Suppose 4 people are chosen at random from a group of 14

Salsk061 [2.6K]

<u>Question Completion</u>

PIE CHART NUMBERS:

Excellent 9%
Good 41%
Fair 36%
Poor 13%
Other 1%

Answer:

0.000063

Step-by-step explanation:

Number of Respondents, n=1400

Probability that they would rate their financial shape as excellent = 0.09

Number of Those who would rate their financial shape as excellent

=0.09 X 1400

=126

Therefore:

The probability that 4 people chosen at random would rate their financial shape as excellent

$=\dfrac{^{126}C_4 \times ^{1400-126}C_0}{^{1400}C_4} \\=\dfrac{^{126}C_4 \times ^{1274}C_0}{^{1400}C_4}\\=0.000063 $(correct to 6 decimal places)$

6 0

3 years ago

2x-1/3=5 what are the solutions

asambeis [7]

Solution is (2.667,0) but x=2.667

6 0

2 years ago

Heights of female students at ohs follows a normal distribution that has a mean of 65.2 inches with a standard deviation of 2.1

Murljashka [212]

Answer:

Ok... is this supposed to be a question??

4 0

2 years ago

How can you put 32.3 as a mixed number in the simplest form

ludmilkaskok [199]

32.3 is a decimal number in which 3 is the digit at the tenth place.

Mixed number contains a whole number and a fraction part.

32.3 expressed as mixed fraction is $32\frac{3}{10}$ , here 32 is the whole number and $\frac{3}{10}$ is the fraction part.

$\frac{3}{10}$ is the fraction in the simplest form.

For this reason, 32.3 expressed as a mixed number in the simplest form is $32\frac{3}{10}$ .

7 0

3 years ago

a wire is bent into the shape of a square, each side is 5 in long. then the wire is now bent to the shape of a rectangle if the

Luda [366]

Answer:

4 inches

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers