Ask question

Ask question

All categories

2 years ago

7

The mean of this data set is 9. What number is missing? 11,20,_,3,1

1 answer:

kherson [118]2 years ago

7 0

Let the missing number be x

Mean is the total sum of data over the number of data therefore,

(11+20+x+3+1) / 5 = 9
Then simplify
(35 + x) / 5 = 9
Then multiply 5 to both sides
35 + x = 45
Then subtract 35 to both sides to find x
X= 10

Hope this helps!

You might be interested in

IS 8 BY -3 A NEGATIVE RATIONAL NUMBER

Vlada [557]

Answer:

Yes. The answer is -24.

Step-by-step explanation:

Hope this helped.

3 0

3 years ago

Solve s = n/3 (b+H) for H Answer H=

cluponka [151]

The answer for H is, s=nb+nh÷3
Hope it helps

5 0

4 years ago

(1 point) Let f be a periodic function of period 10 such that f(x)=x2 for −5≤x<5. Then the Fourier series of f is

ehidna [41]

Answer:

The answer is " $\frac{25}{3}$ ".

Step-by-step explanation:

please find the complete question in the attached file.

$a_0=\frac{1}{10}\int^{5}_{x=-5} x^2 dx\\$

$=\frac{1}{10} (\frac{x^3}{3})^{5}_{-5}\\\\=\frac{1}{30}[5^3+5^3]\\\\=\frac{2}{30}(125)\\\\=\frac{1}{15} \times 125\\\\=\frac{25}{3}$

7 0

3 years ago

This weekend Vanessa made 4 times as many batches as last weekend. She made a total of 25 batches for the two weekends. Determin

MissTica

Answer: The number of batches made by Vanessa last weekend = 5

Number of batches made this weekend =20

Step-by-step explanation:

Let x be the number of batches made y Vanessa last weekend.

Given : This weekend Vanessa made 4 times as many batches as last weekend.

i.e. Number of batches made this weekend = 4x

She made a total of 25 batches for the two weekends.

i.e. $x+4x=25$

$\Rightarrow\ 5x=25$

Divide both sides by 5 , we get

$x=5$

i.e. number of batches made y Vanessa last weekend = 5

Number of batches made this weekend =20

Hence, the number of batches made by Vanessa last weekend = 5

Number of batches made this weekend =20

7 0

3 years ago

What is the least common multiple of 7, 13, and 14?

Vikentia [17]

B.) 91
13x7=91 being the lowest common multiple available

3 0

4 years ago