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-Dominant- [34]
3 years ago
9

100 points

Mathematics
2 answers:
shusha [124]3 years ago
8 0

Answer:

b

Step-by-step explanation:

Nikolay [14]3 years ago
4 0

Answer:

A

Step-by-step explanation:

a

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A family has two children. When asked if he has at least one daughter named Ann, the fatherreplies, "Yes." What is the probabili
Leviafan [203]

Answer:

33.3% probability that both children are girls, if we know that the family has at least one daughter named Ann.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The family has two children.

The sample space, that is, the genders of the children may be divided in the following way, in which b means boy and g means girl.

b - b

b - g

g - b

g - g

We know that they have at least one girl. So the sample space is:

b - g

g - b

g - g

What is the probability that both children are girls, if we know that the family has at least one daughter named Ann?

Desired outcomes:

Both children being girls, so

g - g

1 desired outcome

Total outcomes

b - g

g - b

g - g

3 total outcomes

Probability

1/3 = 0.333

33.3% probability that both children are girls, if we know that the family has at least one daughter named Ann.

4 0
3 years ago
Given the equation f(x) = (x + 3)2 – 8, fill in the blanks: Axis of symmetry: x = _______a0 Vertex: ( _______a1, _______a2) Numb
frutty [35]

We have been given an equation f(x)=(x+3)^2-8.  We are asked to fill in the blanks using our given equation.

The axis of symmetry will be the vertical line passing through vertex.

First of all, we will convert our given equation in standard vertex form of parabola as:

Standard vertex form of parabola: y=(x-h)^2+k, where (h,k) is vertex of parabola.

f(x)=(x-(-3))^2-8

Upon comparing our function with standard vertex form, we can see that vertex of parabola is at (-3,-8).

The axis of symmetry will be vertical line passing through point (-3,-8). The vertical line will pass through x=-3, therefore, the axis of symmetry is x=-3.

Since our given parabola is an upward opening parabola, so it has a minimum at (-3,-8). This means that parabola will intersect the x-axis at two points. Therefore, there are two real solutions for the given function.

8 0
3 years ago
In her last race, bergen swam 1,500 meters in 30 minutes.on average, how many meters did she swim per minutes?
Lelechka [254]
What you will need to do is take 1,500 which is the distance by 30 the speed to get 1500/30 which will get you 50 if you want to check your work divide 1500 by 50 and see if you get 30

Answer : 50 Meters per Minuite
4 0
3 years ago
A bowl contains candies of the same size in three flavors: orange, strawberry, and pineapple. If the probability of randomly pul
deff fn [24]
I think it’s 3 over 7 I am rlly not sure if that’s right I just based it off the pattern
7 0
3 years ago
Read 2 more answers
3x²+2x²+x-2 divided x+2​
ICE Princess25 [194]

Answer:

3x^2-4x+9 remainder -20/x+2

Step-by-step explanation:

7 0
3 years ago
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