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Licemer1 [7]
3 years ago
12

Is the number of people with blood type upper a in a random sample of 38 peoplenumber of people with blood type a in a random sa

mple of 38 people a discrete random​ variable, a continuous random​ variable, or not a random​ variable?
Mathematics
2 answers:
stepladder [879]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

d1i1m1o1n [39]3 years ago
4 0
That would be a discrete random variable
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Which of the following is true of the discriminant for the graph below?
Sonbull [250]

Answer:

<u>Option C. It is zero</u>

Step-by-step explanation:

The graph represents a quadratic equation

The quadratic equation has the form ⇒a x² + b x + c

The discriminant of the quadratic equation is D = b² - 4ac

From the discriminant of the quadratic equation, we can know the type of roots of the quadratic equation.

  1. If D > 0 ⇒ Two real roots.
  2. If D = 0 ⇒ one real roots
  3. If D < 0 ⇒ Two imaginary roots.

The roots of the quadratic equation are the x-intercepts of the function.

As shown at the figure, the quadratic equation has only one point of intersection with the x-axis

So, the function has only one root ⇒ D = 0

So, the discriminant of the quadratic equation = 0

<u>The answer is option C. It is zero</u>

7 0
3 years ago
if all sides of the figure at the top right are the same length (8x-1) what is the figures perimeter?
PSYCHO15rus [73]
I believe 64x-8 is the correct answer.
5 0
3 years ago
32. The debate team plans to make and sell trail
Paraphin [41]

Answer:

C

Step-by-step explanation:

The first equation has to be the ratio of raisins to sunflower seeds. If r is raisins and p is sunflower seeds and there are 3 times as many raisins as sunflower seeds then the first equation must be 3r=p

The second equation should model the prices properly. Raisins are 1.5 per pound and sunflower seeds are 4 per pound, because of this we should have 1.5r (r being each pound of raisins) and 4p (p being each pound of sunflower seeds). From this we know the second equation must be 4p+1.5r=34

8 0
2 years ago
The green line below
trasher [3.6K]
A,d I'm pretty sure because of the cy axis
7 0
3 years ago
Read 2 more answers
Place the following steps in order to complete the square and solve the quadratic equation, x^2 - 6x + 7 = 0.
kow [346]

Answer:

option f

option a

option d

option c

option e

option b

Step-by-step explanation:

we have x^2 - 6x + 7 = 0

f) x^2 - 6x   = -7    

a) x^2 - 6x + 9 = -7+9

d) (x-3)^2=2

c)\sqrt{(x-3)^{2}} = +-\sqrt{2}

e) x-3=+-\sqrt{2}

b) x=3+-\sqrt{2}

4 0
3 years ago
Read 2 more answers
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