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Art [367]
3 years ago
9

Brenda is rolling a six-sided die and flipping a coin. Complete each of the following sentences regarding the probabilities invo

lved in these actions using reduced fractions.
The probability of rolling a five is
.
The probability of flipping the coin and it landing on heads is
.
The probability of rolling a five and landing on heads is
.
Are the events independent or dependent?
Mathematics
1 answer:
sveta [45]3 years ago
8 0
So for number there are 6 possible outcomes nad 5 is one of them so 1/6
He next one there are 2 outcomes and heads is 1 outcome so 1/2
For the next one you have to multiply them together so you get 1/12
And the events are independent because whatever you roll on the die won’t affect the coin(it actually does on a very small scale but I don’t think you go into that much detail for high school maths)
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Cameron bought a packet of 45 bars of chocolate.He ate one fifth of them on Tuesday.He ate a twelfth of the remaining bars on We
Vlad1618 [11]
He bought 45 bars of chocolate.

1/5 x 45 = 9 
He ate 9 bars on Tuesday.

45 - 9 = 36
He had 36 bars left.

1/12 x 36 = 3
He ate 3 bars on Wednesday

36 - 3 = 33
He had 33 bars left.

------------------------------------------------
Answer: He had 33 bars left.
------------------------------------------------
6 0
3 years ago
Read 2 more answers
Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% mo
marysya [2.9K]

Answer:

Yes

Step-by-step explanation:

120

%

=

1.2

If Maxine is correct, then she spent

1.2

times the hours she did homework than last week.

15

⋅

1.2

=

18.0

=

18

15 hours

⋅

1.2

=

18.0 hours

=

18 hours

This means that Maxine is correct.

4 0
3 years ago
Read 2 more answers
Last week, Ray worked 46 hours. He incorrectly calculated he earned $45 of additional pay. What was Ray's error when he miscalcu
astra-53 [7]

Answer: +$45

Step-by-step explanation: if his actual pay for the week was $100 then from the question he incorrectly calculated it as {$100 + $45} = $145 which is $45 above his actual pay.

Error = measured value - actual

value.

= $145 -$100 =$45.

NOTE: since the value he assumed{$145} is greater than his actual pay{$100}, we have to include a positive sign to the error{$45}.

Therefore, Error = +$45.

6 0
3 years ago
Beth is purchasing chocolate and vanilla ice cream cups for a birthday party. She needs a total of 24 ice cream cups and twice a
IgorC [24]
Let x represent the total number of chocolate cups and y represent the total number of vanilla cups Beth buys.

She needs a total of 24 ice cream cups. So, the equation can be written as:

x+y=24

The number of chocolate cups she needs are twice as compared to vanilla, so we can write the equation as:

x=2y

Case 1: 
Only constraint  2 would be met if 9 vanilla cups and 18 chocolate cups were purchased.
This is because the number of chocolate cups are double as compared to vanilla cups but the total number of cups in this case is not 24. So constraint 1 is not met. 

Case 2: 
Only constraint 1 would be met if 6 vanilla cups and 18 chocolate cups were purchased.
This is because the total number of cups in this case is 24 but the chocolate cups are three times as compared to the vanilla cups. So the constrain 2 is not met in this case.
8 0
3 years ago
Find the value of x. Round to the<br> nearest tenth.<br> 3<br> Х<br> 4<br> x = [?]
monitta

Answer:

120

Step-by-step explanation:

3*4(10) =

3*40 = 120

Hope this helps!

3 0
3 years ago
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