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Harlamova29_29 [7]
3 years ago
13

If a family has three children draw a tree diagram representing the possible outcomes for the genders of the children and then l

ist the sample space
Mathematics
1 answer:
Gennadij [26K]3 years ago
5 0
Each child has a 50/50 chance of being boy or girl whether the other child was a boy or girl. The possible chances are BBG, BBB, BGG, GGG
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A circular swimming pool has a radius of 28ft. There is a path all the way around the pool that's 4ft wide. A fence is going to
Natalka [10]

Answer:

Therefore 200.96 ft.of fencing are needed to go around the pool path.

Step-by-step explanation:

Given, a circular swimming pool has a radius of 28ft. There is a path all the way around the pool. The width of the path 4 ft.

The radius of the outside edge the pool path is

= Radius of the pool + The width of the path

= (28+4) ft

= 32 ft.

To find the length of fencing, we need to find the circumference of outside the pool path.

Here r= 32 ft

The circumference of outside edge of the pool path

=2\pi r

=(2\times 3.14 \times 32) ft

=200.96 ft.

Therefore 200.96 ft.of fencing are needed to go around the pool path.

3 0
3 years ago
Find the circumference of a tire with diameter of 20 inches.​
sattari [20]

Answer:

Circumference of a 20 Inch Diameter Circle.

Step-by-step explanation:

62.832 inches

5′ 2.832″ feet and inches

1.5959 meters

159.59 centimeters

3 0
3 years ago
Read 2 more answers
What is the degree of 6g^2h^3k, is it a monomial
Igoryamba

Answer:

6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The total number of students in the seventh grade is 9 more than 4 times as many students as are in the art class. If there are
mariarad [96]

Answer:

I think there are 23 students in the art class.

Step-by-step explanation:

You first subtract 9 from 101. Then, you divide by four to get 23.

4 0
3 years ago
Solve for x<br>6x²+2x-12​
dem82 [27]

Answer:

Step-by-step explanation:

Solving for x means you have to factor. First factor out the GCF of 2 to get:

2(3x^2+x-6) and now we'll factor using the regular old method of ac and then factoring by grouping. In our polynomial, a = 3, b = 1, c = -6. Therefore, a times c is 3 * -6 which is -18. We need some combinations of the factors of 18 that will add to give us 1, the b term in the middle. The factors of 18 are:

1, 18

2, 9

3, 6 and that's it. Hm...it seems that won't work, so let's throw this into the quadratic formula, going back to the original and a = 6, b = 2 and c = -12:

x=\frac{-2+/-\sqrt{2^2-4(6)(-12)} }{2(6)} and

x=\frac{-2+/-\sqrt{4+288} }{12} and

x=\frac{-2+/-\sqrt{292} }{12} and

x=\frac{-2+/-\sqrt{4*73} }{12} and

x=\frac{-2+/-2\sqrt{73} }{12} which finally simplifies to

x=\frac{-1+/-\sqrt{73} }{6} No wonder that didn't factor using the traditional method of factoring! We could have found that out by finding first the value of the discriminant, but oh well!

8 0
3 years ago
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