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CaHeK987 [17]
4 years ago
10

At a restaurant, 5 of every 12 customers had a salad with their meal.

Mathematics
2 answers:
AnnZ [28]4 years ago
6 0
Since there is no info on how many salads were sold all together it would have to be 12. That is all the info you could give us..sorry if that doesnt help :(
12345 [234]4 years ago
4 0
12
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Mrs. Cashmere brought a large melon, she sees that waited 1 1/8.And gave it to her neighbor. The remaining pieces of melon waite
bixtya [17]

Answer:

0.375 pounds of melon was given away by Melanie.

Step-by-step explanation:

We are given the following in the question:

Initial weight of melon =

1\dfrac{1}{8}\text{ pounds}

Wait of remaining piece =

\dfrac{6}{8}\text{ pounds}

Pounds of melon Melanie gave away =

Initial weight of melon - Wait of remaining piece

= 1\dfrac{1}{8} - \dfrac{6}{8}\\\\=\dfrac{9}{8}-\dfrac{6}{8}\\\\=\dfrac{3}{8} = 0.375\text{ pounds}

Thus, 0.375 pounds of melon was given away by Melanie.

6 0
3 years ago
A university dean of students wishes to estimate the average number of hours students spend doing homework per week. The standar
Ad libitum [116K]

Answer:

The Sample Size Need To be at least 114

Step-by-step explanation:

According to the Question,

  • Given, A university dean of students wishes to estimate the average number of hours students spend doing homework per week. The standard deviation from a previous study is 6.2 hours.

The Maximum Error(E) is given as 1.5 hours and the standard deviation(σ) is 6.2 hours.

  • Now, For 99% Confident the level of value α is 0.01.

α/2 = 0.01/2 ⇒ 0.005

  • Thus, From The table, We get that the value of Z_{alpha/2} is 2.58.

Hence, the sample size n can be found as

n = {\frac{(Z_{alpha/2} * Standard Deviation)}{E}}²

n = {2.58 × 6.2}² / 1.5²

n = 113.72 .

So, The Sample Size Need To be at least 114.

4 0
3 years ago
The farmer says the corn is almost ready to​
Lady bird [3.3K]
??? What is the rest of the question?
5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%20%7Bx%7D%5E%7B2%7D%20%20%3D%20%20%7B16%7D%5E%7Bx%7D%20" id="TexFormula1" title=" {x}^{2}
aalyn [17]
The value of x is -1/2 or -.5
4 0
3 years ago
The factors of negative 30
Serggg [28]

Answer:

-1 and -30  -1+-30=-31

-2 and -15  -2+-15=-17

-3 and -10  -3+-10=-13

-5 and -6  -5+-6=-11

-6 and -5  -6+-5=-11

-10 and -3  -10+-3=-13

-15 and -2  -15+-2=-17

-30 and -1  -30+-1=-31

30 and 1  30+1=31

15 and 2  15+2=17

10 and 3  10+3=13

6 and 5  6+5=11

5 and 6  5+6=11

3 and 10  3+10=13

2 and 15  2+15=17

1 and 30 1+30=31

Step-by-step explanation:

A factor is a number that can be evenly divided by another number without a remainder or decimal. These numbers can all be divided by 30 without resulting in a remainder. After we find the corresponding factor (by dividing by 30), we add them in the resulting column.

7 0
3 years ago
Read 2 more answers
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