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charle [14.2K]
3 years ago
14

Please help </3......​

Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

Area of a circle = πr², diameter d = 2r, radius r =d/2

1. 50.24in²

2. 314in²

3. 7.065ft²

4. 60.7904yd²

5. 0.3434in²

6. 19.625cm²

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I need help please find answers for both of them worth 15 points
Step2247 [10]

Answer:

Volume = 9900 ft2

Step-by-step explanation:

To find the volume of the pool, we can use the base as the trapezoid, and then we need to calculate the base area and multiply by the height.

The trapezoid has a bigger base of 8 and a smaller base of 3, with a height of 60, so the area is:

Area = (8+3)*60/2 = 330 ft2

Now, to find the volume, we just need to multiply the base area by the height of 30 feet:

Volume = Area * Height = 330 * 30 = 9900 ft2

5 0
3 years ago
A computer consulting firm presently has bids out on three projects. Let Ai = {awarded project i}, for i = 1, 2, 3, and suppose
VLD [36.1K]

Answer:

(a) P(A1 ∪ A2) = 0.35

Step-by-step explanation:

(a) A1 ∪ A2 :

We start by defining the events.

A1 : '' awarded project 1''

A2 : ''awarded project 2''

A3: ''awarded project 3''

In set theory we write the union of events A and B as A∪B.

A∪B means that the event A occurs,event B occurs or either both events occurs at the same time.

The probability is given by the equation :

P(A∪B) = P(A) + P(B) - P(A∩B) (1)

Where the event (A∩B) is the event where A and B occur at the same time

and P(A∩B) is the probability of (A∩B)

Using the equation (1) :

P(A1 ∪ A2) = P(A1) + P(A2) - P(A1∩A2)

P(A1 ∪ A2) = 0.22 + 0.25 - 0.12

P(A1 ∪ A2) = 0.35

7 0
4 years ago
Help please this is due at 12 !!!
Blababa [14]

Answer:

Angle BC, because 70+20 = 90

Step-by-step explanation:

8 0
3 years ago
theo had a balance of-4$ in his savings account. after making a deposit, he has 25$ in his account. what is the overall change t
Alchen [17]
Theo had -4, and added $29 to his account, which is why he now has $25. The equation would be $29 - $4 = $25
5 0
3 years ago
F(x) = 2x – 1 g(x) = 7x – 12 What is h(x) = f(x) + g(x)?
WINSTONCH [101]

Answer:

<h2><em>h</em><em>(</em><em>x</em><em>)</em><em>=</em><em>9</em><em>x</em><em>-</em><em>1</em><em>3</em></h2>

<em>Sol</em><em>ution</em><em>,</em>

<em>h(x) = f(x) + g(x) \\  \:  \:  \:  \:  \:  \:  \:  = 2x - 1 + 7x - 12 \\  \:  \:  \:  \:  \:  \:  = 2x + 7x - 1 - 12 \\  \:  \:  \:  \:  \:  \:  = 9x - 13</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em>

4 0
3 years ago
Read 2 more answers
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