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Sav [38]
3 years ago
9

50 POINTS PLS HELP!!!!

Mathematics
2 answers:
liubo4ka [24]3 years ago
7 0

The answer is a= 3
Best of luck
VARVARA [1.3K]3 years ago
3 0

The plot of the PDF shows the distribution is symmetric. This means that the mean is the same as the median, and that the 50% of the distribution lies to other side of this mean, i.e.

P(X\ge a)=P(X\le a)=0.50

For this distribution, a=3.

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Sketch the graph of y = negative 2 x squared + x + 1 using your graphing calculator. What are the x-intercepts of this graph? a.
lions [1.4K]

The x-intercept is (1, 0) and (-0.5, 0).

The correct option is (a)

<h3>What is intercept?</h3>

The x-intercept is the point where a line crosses the x-axis, and the y-intercept is the point where a line crosses the y-axis.

Given function is:

f(x)= -2x^{2}+x+1

So, The graph of this equation is attaches below.

The x- intercepts of this graph

\mathrm{X\:Intercepts}:\:\left(-\frac{1}{2},\:0\right),\:\left(1,\:0\right)

or

X intercepts: (1, 0) and (-0.5, 0)

Hence, the x-intercept is (1, 0) and (-0.5, 0).

Learn more about intercept here:

brainly.com/question/14180189

#SPJ1

4 0
2 years ago
How did the colonists respond to the coercive acts
Kisachek [45]
They boycotted and conveyed the first continental Congress.
3 0
2 years ago
Last​ summer, Karl went to the beach every 5 days. Antonia went to the beach every 33 days. How often did they see each other at
vfiekz [6]

Asuming they started summer at the same time. The logical answer will be none, because it will take at least 165 days for the lcd(5) to overlap and there is not 165 days in a summer.

so it will be a rate of 1 for every 5 times Antonia went to the beach.

3 0
3 years ago
Read 2 more answers
Dylan has $20 in a savings account. The interest rate is 5% per year and is not compounded. How much interest will he earn in 1
sergeinik [125]
20x0.5 = 10
He will earn 10 per year
8 0
3 years ago
Please help! 5/20, will give brainliest. I do not tolerate spam answers!
notka56 [123]

This one can be factored.

9x^2-81=9(x^2-9)

3 0
3 years ago
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