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4 years ago

10

Determine whether the quadratic equation has two unequal real number solutions, two equal real number solutions, or two complex

number solutions.

1 answer:

katrin2010 [14]4 years ago

6 0

Two complex number solutions

bro i hope you find what your looking
for

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FIRST CORRECT ANSWER WILL GET BRAINLIEST!!!

Mars2501 [29]

Their are 6 equilateral triangles in a regular hexagon:
The area of one triangle = (x²√3)/4, then:
1st answer: The area of the hexagon base: is 6 TIMES the area of one equilateral triangle [or, needed for 2nd, question, TOT AREA:(6x²√3)/4] = (3x²√3)/2] unit²

2nd answer: :
Volume of pyramid: (base area)(height)/3
Volume of pyramid: (3x²√3).(3x)/3 (because height = 3x, given)
Then Volume of pyramid= 3x³√3 unit³.
3 is the answer for the second question
and 6 for the 1st

4 0

4 years ago

In a poll conducted by the Gallup organization in April 2013, 48% of a random sample of 1022 adults in the U.S. responded that t

shutvik [7]

Answer: 95% confidence interval would be (0.449, 0.511)

Step-by-step explanation:

Since we have given that

n = 1022

p = 48% = 0.48

We need to find the 95% confidence interval first.

z = 1.96

Margin of error would be

$z\sqrt{\dfrac{p(1-p)}{n}}\\\\=1.96\times \sqrt{\dfrac{0.48\times 0.52}{1022}}\\\\=0.031$

95% confidence interval would be

$p\pm 0.031\\\\=(0.48-0.031,0.48+0.031)\\\\=(0.449,0.511)$

It means true proportion who felt that economic growth is more important than protecting the environment is within 0.449 and 0.511 using 95% confidence.

4 0

3 years ago

8 31/60 as a improper fraction

Nat2105 [25]

8 31/60 as an improper fraction is 511/60

3 0

3 years ago

Circle M is shown below

My name is Ann [436]

Answer:

Step-by-step explanation:

A

3 0

3 years ago

Which expression is equivalent to 2x - 10y + 9y - 11x ?

elena-s [515]

Answer:

-9x - y

Step-by-step explanation:

Combine like terms. That is, combine all the x terms and then, separately, combine all the y terms.

2x - 10y + 9y - 11x = -9x - y (answer)

3 0

3 years ago