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lisov135 [29]
3 years ago
12

Median math question

Mathematics
2 answers:
lina2011 [118]3 years ago
7 0

Answer:

b. $10

Step-by-step explanation:

to find the median of a set of numbers you put them in order from least to greatest and the median is the middle number if there is an even amount of numbers you would add up the two middle numbers and then divide them by two. And if you have the median and are missing one of the two numbers you would multiply the median by two and subtract the number you know.

zavuch27 [327]3 years ago
5 0

Answer:

B

Step-by-step explanation:

The answer is b, because if 5 and 10 are in the middle, you add them (15) then divide by 2, to get 7.5

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if A is the number of degrees and B is the number of grades of any angle ,prove that : B=A+A/9 [FULL PROCESS REQUIRED]​
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Answer

3 0
3 years ago
A recipe for a pan of brownies requires 1 ½ cups of milk, 2/3 cups of sugar, and 1 1/5 cups of oil. How many cups of ingredients
slega [8]

Answer:

Step-by-step explanation:

A recipe for a pan of brownies requires 1 ½ cups of milk. Converting the 1 1/2 to improper fraction, it becomes 3/2 cups of milk

The recipe also requires 2/3 cups of sugar

It also requires 1 1/5 cups of oil. Converting to improper fraction, it becomes 6/5 cups of sugar

Total number of cups of ingredients in the mixing Bowl will be sum of the amount if milk, sugar and oil. It becomes

3/2 + 2/3 + 6/5 = (45 + 20 + 36)/30

= 101/30 cups of ingredients

7 0
4 years ago
An urn contains 12 balls, of which 4 are white.
wel

Answer:

a) \frac{1}{3}

b) \frac{4}{12}\,,\,\frac{4}{11}\,,\,\frac{4}{10}\,,...

Step-by-step explanation:

Number of balls in the urn = 12

Number of white balls in the urn = 4

So, number of balls which are not white = 12 - 4 = 8

We know that probability = No. of outcomes/Total number of outcomes

Let A_i\,,\,B_i\,,\,C_i denotes the event of getting white ball by A, B and C

a) each ball is replaced after being drawn.

Probability = Number of white balls/Total number of balls

Solution: P(A_i)=P(B_i)=P(C_i)=\frac{4}{12}=\frac{1}{3}

b)the balls that are withdrawn are not replaced.

Solution:

If A wins: P(A_1)=\frac{4}{12}=\frac{1}{3}

If A lost and B wins: P\left ( B_1|A_1^{c} \right )=\frac{4}{11}

If A and B lost and C wins: P\left ( C_1|A_1^{c}\,B_1^{c} \right )=\frac{4}{10}

and so on....

4 0
4 years ago
Luke hiked 6 1/4 miles . Joana hiked 2 1/5 times as far .How far did Joana hiked​
vazorg [7]

Answer:

6 \frac{1}{4} =\frac{25}{4} \\\\2 \frac{1}{5} = \frac{11}{2}\\\\

\frac{25}{4} \times \frac{11}{2} = \frac{275}{8}=34 \frac{3}{8} (Amount Jona hiked)

3 0
4 years ago
Which of the following graphs is represented by the linear equation: y<br> 2<br> -2 +1<br> 3
ExtremeBDS [4]

Answer:

the answer is 13

Step-by-step explanation:

5 0
3 years ago
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