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Sergeu [11.5K]
4 years ago
10

One urn contains 12 blue balls and 7 white balls, and a second urn contains 8 blue balls and 19 white balls. an urn is selected

at random, and a ball is chosen from the urn.
a. what is the probability that the chosen ball is blue?
b. if the chosen ball is blue,
Mathematics
1 answer:
kozerog [31]4 years ago
7 0
The probabilaty that a blue ball was is maybe 50% because there are 19 and 8 white balls so theres more white but still some blue.
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Vance is designing a garden in the shape of an isosceles triangle. The base of the garden is 30 feet long. The function y = 15 t
Stella [2.4K]

Answer:

A. 8.66 feet

B. 12.59 feet

C. Area of triangle when \theta=30  is 129.9 square feet. Area of triangle when \theta=40 is 188.85 square feet. Increasing the angle  \theta  increases the area.


Step-by-step explanation:

The equation that models the height of the triangle is:

y=15 Tan \theta

Where,

  • y is the height, and
  • \theta  is the angle

A.

When \theta=30 , the height is:

y=15Tan30\\y=8.66


B. When \theta=40[/tex\ , the height is:[tex]y=15Tan40\\y=12.59


C. <em>To find the area of the isosceles triangular shaped garden, we use the </em><em>formula for the area of the triangle</em><em>:</em>

A=\frac{1}{2}bh

Where,

  • A is the area
  • b is the base, which is given as 30 feet, and
  • h is the height [8.66 feet when the angle is 30 & 12.59 when angle is 40]

<u>When Vance uses \theta=30 , the area is</u>:

A=\frac{1}{2}(30)(8.66)\\A=129.9  square feet


<u>When Vance uses \theta=40 , the area is</u>:

A=\frac{1}{2}(30)(12.59)\\A=188.85  square feet


So we see that when the angle is more, the area is also more.

4 0
3 years ago
Read 2 more answers
Start at 1000 create a pattern that subtracts 8 from each number. Stop when you have 5 numbers
kifflom [539]
Well, you do 1000-8 then put your answer down.
Answer is 992
Then do 992-8
Answer is 984
Then do 984 - 8
Answer is 976
Then do 976-8
Answer is 968
Then do 968 -8
Answer is 960

Your final answers are 992,984,976,968,960.
7 0
3 years ago
Given<br> f(x) = 3x + 10 and g(x) = x - 2, find f (g(5))<br> -10<br> 23<br> None of these.
azamat
Answer: None of these

Explanation:

f(g(5)) first let’s find g(5)

We know:
g(x) = x - 2
g(5) = 5 - 2
g(5) = 3

Thus, f(g(5)) = f(3) because g(5) = 3

=> f(3) = 3(3) + 10
=> f(3) = 9 + 10
=> f(3) = 19

Therefore, f(g(5)) = 19
4 0
4 years ago
Read 2 more answers
How many solutions does the system of equations have?
Afina-wow [57]

Answer:

0

Step-by-step explanation:

5 0
3 years ago
Determine whether the ratios 9/15 and 6/10 form a proportion.
lesantik [10]
The ratio 9/15 and 6/15 form a proportion
4 0
3 years ago
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