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Varvara68 [4.7K]
3 years ago
5

49*56= ? also here is a pic !!

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0

Answer:

2744

Step-by-step explanation:

thanks thank you thanks

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When Alice spends the day with the babysitter, there is a 0.6 probability that she turns on the TV and watches a show. Her littl
slava [35]

Answer:

a) There is a 48% probability that both Alice and Betty watch TV tomorrow.

b) There is a 48% probability that Betty watches TV tomorrow.

c) There is a 12% probability that only Alice watches TV tomorrow.

Step-by-step explanation:

We have these following probabilities:

A 60% probability that Alice watches TV.

If Alice watches TV, an 80% probability Betty watches TV.

If Alice does not watch TV, a 0% probability that Betty watches TV, since she cannot turn the TV on by herself.

a) What is the probability that both Alice and Betty watch TV tomorrow?

Alice watches 60% of the time. Betty watches in 80% of the time Alice watches. So:

P = 0.6*0.8 = 0.48

There is a 48% probability that both Alice and Betty watch TV tomorrow.

b) What is the probability that Betty watches TV tomorrow?

Since Betty only watches when Alice watches(80% of the time), this probability is the same as the probability of both of them watching. So

P = 0.6*0.8 = 0.48

There is a 48% probability that Betty watches TV tomorrow.

c) What is the probability that only Alice watches TV tomorrow?

There is a 60% probability that Alice watches TV tomorrow. If she watches, there is an 80% probability that Betty watches and a 20% probability she does not watch.

So

P = 0.6*0.2 = 0.12

There is a 12% probability that only Alice watches TV tomorrow.

7 0
3 years ago
What is x if y Is 5 <br> x^2 (2y +5)=240
UkoKoshka [18]
X^2(2y+5)=240
x^2(2(5)+5)=240
x^2+(10+5)=240
x^2+15=240
minus 15 both sides
x^2=225
sqrt both sides
x=15
6 0
3 years ago
What is the equation of the line that passes through the point (-5,5) and has a slope of -1
max2010maxim [7]

Answer:

y - 5 = -(x + 5)

y - 5 = -x - 5

y = -x

7 0
4 years ago
What are the next three terms of the sequence below?
vichka [17]

<u>Answer:</u>

  • 64, 256, 1024 (D)

<u>Step-by-step </u><u>Explanation</u><u>:</u>

The sequence is following some rule. And the rule is: Multiplying the term with 4 to get the next term. Like:

  • 1 × 4 = 4
  • 4 \times 4 = 16

Similarly, the next terms are:

  • 16 \times 4 = 64
  • 64 \times 4 = 256
  • 256 \times 4 = 1024

The terms are <u>6</u><u>4</u><u>,</u><u> </u><u>2</u><u>5</u><u>6</u><u>,</u><u> </u><u>1</u><u>0</u><u>2</u><u>4</u> which matches with Option D. And that's the correct answer

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3 years ago
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A plane travels 395000 meters in 9000 seconds , what is the speed?
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43 8/9 meters per second
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