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solong [7]
2 years ago
6

A new pain reliever is advertised as being 97%

Mathematics
2 answers:
atroni [7]2 years ago
8 0

Answer:

B. 0.694

Step-by-step explanation:

Hope this helps

Likurg_2 [28]2 years ago
6 0

Answer:

B. 0.694

Step-by-step explanation:

Probability is the ratio of the number of possible outcome to the number of total outcome.

Given that the pain reliever is advertised as being 97%  effective, for it to be effective in 12 independent trials

= (97%) ^ 12

= 0.693842361

The is approximately 0.694 to 3 decimal places

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Lesechka [4]

Answer:

anor soi sena orka uzumo senda?

8 0
3 years ago
Is 35 in , 45 in , 55 in, a right triangle or not
KonstantinChe [14]
If its less than 90, its a right triangle. Hope this helps!
5 0
3 years ago
Please help
earnstyle [38]

Please consider the graph of the sphere.

We know that the volume of sphere is equal to \frac{4}{3}\pi r^3, where r represents radius of sphere.

We can see that diameter of sphere is 30 inches. We know that radius is half the diameter, so radius of the given sphere would be half of 30 inches that is \frac{30}{2}=15 inches.

V=\frac{4}{3}\pi r^3

V=\frac{4}{3}\pi (15\text{ in})^3

V=\frac{4}{3}\pi \times 3375\text{ in}^3

V=4\times 1125\pi \text{ in}^3

V=4500\pi \text{ in}^3

Therefore, the volume of the given sphere is 4500\pi\text{ in}^3 and option B is the correct choice.

8 0
3 years ago
A ball is thrown into the air with a velocity of 33 ft/s. Its height, in feet, after t seconds is given by
meriva

Answer:

velocity at t=1 is 1 ft/s

Step-by-step explanation:

by integration s(t) equation we get v(t)

v(t)=33-32t

by substitution t=1 in v(t) equation we get

33-32=1 ft/s

7 0
2 years ago
Find the area of a circle with radius, r = 76cm.<br> Give your answer rounded to 3 SF.
PSYCHO15rus [73]

Answer:

17,700.00

Step-by-step explanation:

Area of a circle = 22

------ r2

7

=22

------ 76x76 =123,750

7 ---------- =1,768.571

7

1,768.571 rounded to 3 SF=17700.00

5 0
1 year ago
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