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3 years ago

15

What is the answer to this math question... It says that it is Pi * r squared/ 2. Does it simplify to just Pi *r ...or does it n

ot simplify.

1 answer:

pickupchik [31]3 years ago

6 0

No it would be Pi *r *r because the r is to the power of 2

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A fair die is rolled 360 times. Find the probability that: a) less than50 results are a 6. B) between 55 and 65 results (inclusi

Karolina [17]

For this problem, you haven = 360p = 1/6q = 5/6 E[x] = np = 360*1/6 = 60SD[x] = √(npq) = √(360*1/6*5/6) = √(50) ≈ 7.07

8 0

3 years ago

The probability that event A occurs is 57 and the probability that event B occurs is 23 . If A and B are independent events, wha

adelina 88 [10]

Answer:

<h2> $\frac{1}{1311}$ </h2>

Step-by-step explanation:

The probability of occurring the event A is $\frac{1}{57}$ .

The probability to occur the event B is $\frac{1}{23}$ .

It is also given that the events are independent that is they do not depends on each other.

So, the probability of occurring both the events simultaneously can be get by simply multiplying the probabilities of both the events.

Hence, the probability is $\frac{1}{[tex]57times23$ }[/tex] = $\frac{1}{1311}$ .

3 0

3 years ago

Three partners share for business.Max owns 3/8, Sherry owns 2/5, and Duane owns the rest.If the profits this year are 250,000, h

Reika [66]

Answer:

Three partners share for business. Each partner’s receive Max-$ 93,750 and Sherry-$ 100,000 and Duane-$ 56,250

<u>Solution:</u>

Given that three partners share the business

Max owns 3/8, Sherry owns 2/5, and Duane owns the rest

Profit of the year is 250,000

We need to find how much is the share of each partner

Share owned by Max $=\frac{3}{8}$

Share owned by Sharry = $\frac{2}{5}$

Share owned by Duane $=1-\left(\frac{3}{8}+\frac{2}{5}\right)=\frac{9}{40}$

Total profit earned = $250,000

Thus, Max receives = $\frac{3}{8} \times250,000$ = $93,750

Sharry receives = $\frac{2}{5} \times 250,000$ = $100,000

Duane receives = $\frac{9}{40} \times250,000$ = $56,250

Hence the share of Max , Sharry and Duane is calculated.

5 0

3 years ago

Helps Idk how to do diz. Solve the area of this

slamgirl [31]

There are 1 right triangle, 1 rectangle and 1 trapezoid
- Solve for right triangle
1/2 x 5 x 8 = 20 cm
- Solve for rectangle
12 x 8 = 96 cm
- Solve for trapezoid
1/2 x 9 ( 5 + 10 ) = 67.5 cm
- The area of this is
20 + 96 + 67.5 = 183.5 cm
hope it useful for you :)

7 0

3 years ago

4. (10.03 MC) The equation of line CD is y = −2x − 2. Write an equation of a line parallel to line CD in slope-intercept form th

Marysya12 [62]

Answer: y = -2x + 13

<u>Step-by-step explanation:</u>

Parallel lines have the same slope. y = -2x - 2 has a slope of -2 so the line parallel to that will also have a slope of -2.

We have a point (4, 5) and a slope (-2) so we can use the point-slope formula:

y - y₁ = m(x - x₁) ; where (x₁, y₁) is the point and m is the slope

y - 5 = -2(x - 4)

y - 5 = -2x + 8

y = -2x + 8 + 5

y = -2x + 13

3 0

3 years ago

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