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zmey [24]
2 years ago
9

The probability of a car having to stop at light #1 on Main street is 40%. The probability that a car having to stop at light #2

, given that it had to stop at light #1, is 80%. What is the probability that a car has to stop at both light #1 and light #2? Answer CHoices: 0.32 0.50 0.64 0.8
Mathematics
1 answer:
fredd [130]2 years ago
6 0
720 starting off from the Main Street being 40 percent leading the child to explode into 720 pieces
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How many students have a cell phone but do not have a tablet?
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Answer:

B, 21

Step-by-step explanation:

78 minus 57 is 21, thus B is the correct choice

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2 years ago
What is the area of a rectangle of 5/9 m in length and 7/8 m in width
Andru [333]

Answer:

35/72 m^2

Step-by-step explanation:

Rectangle Formula: l*w=Area

Switch the variables with the numbers given:

\frac{5}{9} *\frac{7}{8} =Area

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6 0
3 years ago
Please help IM OFFERING ALOT OF POINTS !!!!
VMariaS [17]

Answer:

cos 2Ф = - 161/289 , tan 2Ф = - 240/161

Step-by-step explanation:

* Lets explain how to solve the problem

∵ cos Ф = - 8/17

∵ Ф lies in the 3rd quadrant

- In the 3rd quadrant sin and cos are negative values, but tan is

 a positive value

∵ sin²Ф + cos²Ф = 1

∴ sin²Ф + (-8/17)² = 1

∴ sin²Ф + 64/289 = 1

- Subtract 64/289 from both sides

∴ sin²Ф = 225/289 ⇒ take √ for both sides

∴ sin Ф = ± 15/17

∵ Ф lies in the 3rd quadrant

∴ sin Ф = -15/17

∵ cos 2Ф = 2cos²Ф - 1 ⇒ the rule of the double angle

∵ cos Ф = - 8/17

∴ cos 2Ф = 2(-8/17)² - 1 = (128/289) - 1 = - 161/289

* cos 2Ф = - 161/289

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∵ sin 2Ф = 2 sin Ф × cos Ф

∵ sin Ф = - 15/17 and cos Ф = - 8/17

∴ sin 2Ф = 2 × (-15/17) × (-8/17) = 240/289

∵ cos 2Ф = - 161/289

∴ tan 2Ф = (240/289)/(-161/289) = - 240/161

* tan 2Ф = - 240/161

3 0
3 years ago
Which is the correct classification of 3/8
son4ous [18]
The correct classification is 3/8 in a proper fraction
8 0
3 years ago
Read 2 more answers
It is worked out that if 4 ladles full of soup are given to each person, 120 people can be fed. The customers have complained in
alina1380 [7]

Answer:

80\ people

Step-by-step explanation:

Per person available ladles full of soup=4

Total number of persons=120

Hence total number of ladles full of soup=120\times 4=480

Now per person available ladles full of soup=6

Total number of persons that can be fed

=\frac{total\ availability}{per\ person\ requirements}\\\\=\frac{480}{6}\\\\=80

6 0
3 years ago
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