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antoniya [11.8K]
1 year ago
9

A cafeteria manager can choose from among six side dishes for the lunch menu: applesauce, broccoli, corn, dumplings, egg rolls,

or French fries. He uses a computer program to randomly select three dishes for Monday’s lunch.
What is the theoretical probability that applesauce and broccoli will both be offered on Monday?

10%
20%
50%
80%
Mathematics
2 answers:
pochemuha1 year ago
5 0

Answer:

20%

brainly.com/question/12746119

ki77a [65]1 year ago
3 0

Answer:

20%

Step-by-step explanation:

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A motorboat travels 165 kilometers in 3 hours going upstream and 510 kilometers in 6 hours going downstream. What is the rate of
nikitadnepr [17]
<h3>Rate of the boat in still water is 70 km/hr and rate of the current is 15 km/hr</h3><h3><u>Solution:</u></h3>

Given that,

A motorboat travels 165 kilometers in 3 hours going upstream and 510 kilometers in 6 hours going downstream

Therefore,

Upstream distance = 165 km

Upstream time = 3 hours

<h3><u>Find upstream speed:</u></h3>

speed = \frac{distance}{time}\\\\speed = \frac{165}{3}\\\\speed = 55

Thus upstream speed is 55 km per hour

Downstream distance = 510 km

Downstream time = 6 hours

<h3><u>Find downstream speed:</u></h3>

speed = \frac{510}{6}\\\\speed = 85

Thus downstream speed is 85 km per hour

<em><u>If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then</u></em>

Speed downstream = u + v km/hr

Speed upstream = u - v km/hr

Therefore,

u + v = 85 ----- eqn 1

u - v = 55 ----- eqn 2

Solve both

Add them

u + v + u - v = 85 + 55

2u = 140

u = 70

<em><u>Substitute u = 70 in eqn 1</u></em>

70 + v = 85

v = 85 - 70

v = 15

Thus rate of the boat in still water is 70 km/hr and rate of the current is 15 km/hr

3 0
3 years ago
Please help, I am super stuck and I cant lose points<br><br> this homework is 16 points total
bekas [8.4K]
Hello,

7)  A∪C={1,2,3,4,5,7,9}

8) A∩B={2,4}

C'= complement of C ={2,4,6}

9) A∪B∩C'={1,2,3,4,6,8}∩{2,4,6}={2,4,6}

10) A∪(B∩C')={1,2,3,4}∩{2,4,6}={1,2,3,4,6}

Are you blind?
4 0
3 years ago
(21 POINTS) Don't explain answer just put what you got, I'm only comparing answers that's all.
m_a_m_a [10]

Answer:

This may not be that accurate as I am a bit rusty with trigonometry:

tan D: d/f

sin F: f/e

tan F: f/d

cos F: d/e

sin D: d/e

cos D: f/e

8 0
3 years ago
Find the area of the triangle below.
kari74 [83]

Answer:

63ft

Step-by-step explanation:

8 0
3 years ago
2. All used car purchases have a 7% sales tax on the price
otez555 [7]

Answer:

The answer is $490

I hoped this helped

Step-by-step explanation:

5 0
3 years ago
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