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grandymaker [24]
3 years ago
12

A number is randomly selected from {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. A is represented by the event that the number picked is grea

ter than 7. What is the probability of the complement of event A?
A.3/10
B.2/5
C.3/5
D.7/10
Mathematics
2 answers:
fomenos3 years ago
7 0
P(A) = P(8) + P(9) + P(10) = 3/10 so P(A complement) = 1 - P(A) = 1 - 3/10 = 7/10 - D
Andreas93 [3]3 years ago
7 0

Answer:

7/10

Step-by-step explanation:

i took quiz. plz give brainliest ;-;

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At sunset the temperature was 4 dgrees. the next morning at sunset it was -7 degrees. what is the difference betweeen these temp
DedPeter [7]

The difference between these temperatures for the sunset is found as 11 degrees.

<h3>What is temperature difference?</h3>

In science, the term Delta T (ΔT) refers to the temperature between two measuring points. The temperature varies according to time and/or location.

Some key features regarding the temperature difference are-

  • Merus, for example, uses it to assess the effectiveness of such a heat exchanger.
  • Or to evaluate the effectiveness of a heating or cooling system.
  • A fourth letter of a Greek alphabet is, (Δ). Whereas is the capital letter symbol and the lower case letter.
  • The sign is also used in mathematics. Describes the "difference" between any two changeable quantities. T is a value in a process that represents a difference between two observed temperatures.

Now, according to the question;

Let the initial temperature be 'T' = 4 degrees.

Let the final temperature be 't' = -7 degrees.

Therefore, the temperature difference is;

ΔT =  T - t

     = 4 - (-7)

     = 4 + 7

ΔT = 11

Therefore, the difference between these temperatures is 11 degrees.

To know more about the temperature difference, here

brainly.com/question/24746268

#SPJ4

8 0
1 year ago
CAN SOMEBODY HELP. Unscramble the words to correctly to state a fact.
qaws [65]

Answer:

Cells create usable energy through Cellular Respiration.

Step-by-step explanation:

If you think about it, cellular respiration is the way cells make their food, or usable energy. Therefore, the answer would be up above-------------------------^^

5 0
2 years ago
A new health drink has 130% of the recommended daily allowance (RDA) for a certain vitamin. The RDA for this vitamin is 30 mg. H
dsp73

Answer:

39 mg

Step-by-step explanation:

To get the number of milligrams, all we have to do is to find 130% of the RDA

mathematically, we have this as;

130% of 30

= 130/100 * 30 = 39 mg

7 0
3 years ago
What is the slope of the line show belowww
zaharov [31]

Answer:

\boxed{C.\:\: 2}

Step-by-step explanation:

The given line passes through the points,


(x_1,y_1)=(-2,-3) and (x_2,y_2)=(3,7).


We can find the slope using the following;

m=\frac{y_2-y_1}{x_2-x_1}


or


m=\frac{y_1-y_2}{x_1-x_2}


Using the first formula;


We obtain;

m=\frac{7--3}{3--2}


\Rightarrow m=\frac{7+3}{3+2}


\Rightarrow m=\frac{10}{5}


\Rightarrow m=2


The correct answer is C.

7 0
2 years ago
Read 2 more answers
Each pair of polygons is congruent. Find the measures of the numbered angles.
KIM [24]
1. 110*
2. 120*
3. 90*
4. 135*
5. 140*
6. 90*
7. 50*?? not sure
8. 90*
6 0
3 years ago
Read 2 more answers
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