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3 years ago

URGENT PLEASE HELP ME in the triangle shown below, find the value of a

Mathematics

1 answer:

makkiz [27]3 years ago

8 0

45 because it has a right angle implying that 2 of those triangles make a square so it would be equivalent as all triangles have equivalent sides

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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.

$P = 0.6*0.2 = 0.12$

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

7 0

3 years ago

Please help!!! Mark is learning to snowboard. The club charges $10 per hour for snowboard lessons and $40 for the lift ticket an

sveta [45]

H represents the number of hours:
10h + 40
(40 represents, well $40)

4 0

3 years ago

Read 2 more answers

A baseball team can spend up to $1500 on bats. Bats cost $32 each. Which inequality represents the number of bats b they can buy

Katena32 [7]

Answer:

32b<1500

Step-by-step explanation:

a. the can spend up to 1500 but not more so it has to be less

b= 46 bats

46x32= 1472<1500

6 0

3 years ago

The sales tax for an item is $44.10 and it cost $490 before tax. find the sales tax rate. write your answer as a percentage

svetoff [14.1K]

Answer:

9% sales tax

Step-by-step explanation:

44.10/490 =

.09

.09 as a percentage is also 9%

6 0

3 years ago

Please help :) it would be appreciated! thanks!

Paha777 [63]

I think it’s Function

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3 years ago

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