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bearhunter [10]
2 years ago
6

Your friend comes from a large family. This list shows the ages of all of the children in her family. What is the median age of

the children?
12, 9, 15, 7, 9, 13, 16
OPTIONS:
A. 11 4/7
B. 7
C. 12
D. 9
Mathematics
1 answer:
Lyrx [107]2 years ago
5 0

Answer:

It is 11 and 4/7 I am pretty sure hope I helped!

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Which of these strategies would eliminate a variable in the system of equations?
gtnhenbr [62]

Answer:

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Step-by-step explanation:

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PLEASE ANSWER QUICKLY! WILL GIVE REWARD!!
Sonja [21]

Answer:

None of the above. 16 3/2 simplified is

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Here are two sets of numbers, a and b. Set a :200,104,100,160. Set b: 270,400,483,300, x. Mean of set a: mean of set b= 3:8. Wor
LenKa [72]

Given:

The given sets are:

Set a : 200, 104, 100, 160.

Set b: 270, 400, 483, 300, x.

Mean of set a: mean of set b= 3:8

To find:

The value of x.

Solution:

Formula for mean:

Mean=\dfrac{\text{Sum of observations}}{\text{Number of observation}}

The mean of set of a is:

Mean=\dfrac{200+104+100+160}{4}

Mean=\dfrac{564}{4}

Mean=141

The mean of set of b is:

Mean=\dfrac{270+400+483+300+x}{5}

Mean=\dfrac{1453+x}{5}

Mean=\dfrac{1453+x}{5}

It is given that,

Mean of set a: mean of set b= 3:8

\dfrac{141}{\dfrac{1453+x}{5}}=\dfrac{3}{8}

\dfrac{705}{1453+x}=\dfrac{3}{8}

8\times 705=3\times (1453+x)

5640=4359
+3x

Isolate the variable x.

5640-4359
=3x

1281
=3x

Divide both sides by 3.

\dfrac{1281}{3}
=x

427
=x

Therefore, the value of x is 427.

3 0
2 years ago
which property is shown? 20×5×6=20×6×5 A commutative property B distibutivr C associative property or D none of these are correc
Contact [7]

A: communicative property, it is this because communicative property allows you to switch around the order.

5 0
3 years ago
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