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Kitty [74]
2 years ago
8

MATH SMARTIES i will give brainliest CAN YOU TELL ME IF MY ANSWER IS CORRECT AND IF NOT CORRECT THEN CAN YOU TELL ME THE CORRECT

ANSWER

Mathematics
2 answers:
Margaret [11]2 years ago
8 0

Answer:

It is A

Step-by-step explanation:

5 and 6 are the only numbers greater than 4 and they are both heads and tails.

alexdok [17]2 years ago
5 0

Answer: Your correct. Can I get brainleist

Step-by-step explanation: They are the only numbers greater than 4 besides B which is incorrect it would be nice if I could get brainleist. I was the first to answer.

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According to a certain website, wine critics generally use a wine-scoring scale to communicate their opinions on the relative qu
const2013 [10]

Answer:

\bar x = 82

\sigma =  9.64

Step-by-step explanation:

Given

n = 12

87\ 91\ 86\ 82\ 72\ 91\ 60\ 77\ 80\ 79\ 83\ 96

Solving (a); Point estimate of mean

To do this, we simply calculate the sample mean

\bar x = \frac{\sum x}{n}

\bar x = \frac{87+ 91+ 86+ 82+72+91+60+77+80+79+83+96}{12}

\bar x = \frac{984}{12}

\bar x = 82

Solving (b); Point estimate of standard deviation

To do this, we simply calculate the sample standard deviation

\sigma = \sqrt{\frac{\sum(x-\bar x)^2}{n - 1}

\sigma = \sqrt\frac{(87-82)^2+ (91-82)^2+ ....+ (79-82)^2+ (83-82)^2+ (96-82)^2}{12-1}

\sigma = \sqrt\frac{1022}{11}

\sigma = \sqrt{92.91}

\sigma =  9.64

<em>Note that: The sample mean and the sample standard deviation are the best point estimators for the mean and the standard deviation, respectively.</em>

<em>Hence, the need to solve for sample mean and sample standard deviation</em>

3 0
3 years ago
During a food drive, a local middle school collected 8,982 canned food items. Each of the 28 classrooms that participated in the
Nadusha1986 [10]
Each classroom donated around 320 cans(or more) of food.

320x28=8,960.
3 0
3 years ago
Read 2 more answers
A percent is a ratio of the ________ to the _______.
riadik2000 [5.3K]

Answer:

A percent is a ratio of the parts to the whole

Step-by-step explanation:

If you had 30/100, 30% as a percentage, 30 would be the parts and 100 would be the whole

7 0
2 years ago
<img src="https://tex.z-dn.net/?f=y%20-%20xy%20%2B%20x%20-%201" id="TexFormula1" title="y - xy + x - 1" alt="y - xy + x - 1" ali
nata0808 [166]
I believe it should be =(1-x) multiple by (y-1)
(1-x) x (y-1)
8 0
2 years ago
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Help please!! Solve for y.
Nimfa-mama [501]

Answer:

y = 3\sqrt{7}

Step-by-step explanation:

The 2 right triangles inside the right triangle are similar, then ratios of corresponding sides are equal, that is

\frac{y}{9} = \frac{7}{y} ( cross- multiply )

y² = 63 ( take the square root of both sides )

y = \sqrt{63} = 3\sqrt{7}

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2 years ago
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