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Artyom0805 [142]
3 years ago
7

You roll a number cube find the probability. P(3 or 4)

Mathematics
2 answers:
Phantasy [73]3 years ago
4 0
Values of cube= 1,2,3,4,5,6 = 6(total)
P(3 or 4) = 2\6 = 1/3 (ans)
____ [38]3 years ago
3 0
Say the cube has sides numbered 1-6 that means there are 6 possible outcomes. 3 and 4 are only two possible outcomes so the probability of that is 2:6. Simply 1:3 or 33%
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Yanka [14]
The answer is 3. I don't know if you want ne to explain or show my work just reply to me.
5 0
3 years ago
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A lighthouse is built on an exposed reef, 4.5 miles off-shore. The shoreline is perfectly straight, and a town is located 6 mile
Alisiya [41]

Answer: 3.94 hours

Step-by-step explanation:

From the question, the following parameters are given:

Distance offshore = 4.5 miles

Distance downshore = 6 miles

Speed when running = 3.4 mph

Speed with boat = 1.8 mph

distance of boat rowing = sqrt(4.5^2 + x^2)

Where

Speed = distance/time

Time = distance/speed

Time = distance of boat rowing/1.8

distance of running = 6 - x

Time = (6-x)/3.4

total travel time

t = sqrt(4.5^2 + x^2)/1.8 + (6 - x)/3.4

dt/dx = x/(1.8×sqrt(4.5^2 + x^2) - 1/3.4

d^2t/dx^2 = +ve at any x

x is at its minimum when dt/dx=0

x/(1.8×sqrt(4.5^2 + x^2) = 1/3.4

x = 6/sqrt(253) × 4.5 = 1.697 miles

Substitute x in

t = sqrt(4.5^2 + x^2)/1.8 + (6 - x)/3.4

We obtaine

t = sqrt(4.5^2 + 1.697^2)/1.8 + (6 - 1.69)/3.4

t = 2.672+ 1.266 = 3.94 hours

7 0
3 years ago
For every 8 cups that Maria makes, she uses 1 1/4 cups of blueberries . If she uses 5 cups of blueberries, how many fruit cups c
Akimi4 [234]

Answer:

40

Step-by-step explanation:


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3 years ago
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Nimfa-mama [501]
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3 0
3 years ago
Martin charges $10 for every 5 bags of leaves he rakes. Last weekend, he raked 2 bags of leaves. How much money did he earn?
melisa1 [442]
If 10$-5bags;
2$-1bag;
4$-2bags

Solution: 4$
7 0
3 years ago
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