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Mice21 [21]
2 years ago
13

You flip 15 fair coins once. What is the probability of getting at least 12 heads?

Mathematics
1 answer:
AVprozaik [17]2 years ago
3 0

Answer:

0.017578 or 1.76%

Step-by-step explanation:

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A spherical scoop of ice cream is placed on top of a hollow ice cream cone. the scoop and cone have the same radius. the ice cre
noname [10]
The figure shown below illustrates the problem.

The volume of the empty cone is
V₁ = (1/3) π r²h

The volume of the sphere is
V₂ = (4/3) π r³

Because the melted ice cream completely fills the cone, therefore
V₁ = V₂
(1/3) π r² h = (4/3) π r³
Divide each side by (1/3) π r².
h = 4r

Answer:
The height of the cone is 4 times greater than the radius f the cone.

5 0
2 years ago
A store is advertising a sale with 15% off all prices in the store. Sales tax is 8%. Which equation will correctly determine the
ICE Princess25 [194]

Answer: 15%-8%=C

Step-by-step explanation:

4 0
2 years ago
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Convert into percentages 7/25
LekaFEV [45]

Answer:

28%

Step-by-step explanation:

<u>Divide the numerator by the denominator in order to convert this fraction into a decimal.</u>

7/25 = 0.28

<u>Multiply the decimal by 100 to convert into a whole number.</u>

.28 * 100 = 28

<u>7/25 converted into a percent is 28%.</u>

8 0
2 years ago
Jeff lives 12 miles east of Stan. Jeff lives 16 miles north of Wei. What is the shortest distance that Stan and Wei can live fro
Greeley [361]
|  \
|     \ 
| 16  \
|         \
|______\
 12

Envision this as a right triangle, with one leg of 12 miles, and the other 16 miles. Solve using the Pythagorean Theorem a²+b²=c²:

12²+16²=c²
400 = c²
20=c...they live at least 20 miles from each other.

7 0
2 years ago
According to one company’s profit model, the company has a profit of 0 when 10 units are sold and a maximum profit of $18,050 wh
grin007 [14]

Answer: Function

f(x) = -2(x-105)^2 +18,050

Step-by-step explanation:

Because only this function satisfies both conditions i.e.

Condition : 1

Profit = 0, when x(items sold) = 10

f(10) = -2(-95)^2 + 18,050 = 0

Condition :2

Profit = 1 , when x = 105

f(105)= -2(105-105)^2 + 18,050 = -2(0) +18,050

f(105) = 18,050.

7 0
2 years ago
Read 2 more answers
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