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Viktor [21]
3 years ago
15

The hat you want to buy at the store just went on sale. The original price was $12, and the sale price is $5. What percent is th

e original price marked down? *
SAT
1 answer:
BARSIC [14]3 years ago
6 0

Answer:

58.33%

Explanation:

The original price is set at 12, the sale price is 5

This means the price decrease by 7$

do find the percentage, we need to do 7/12

7/12 in percentage is 58.33%

or (58+1/3)%

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C₆H₁₂O₆ + O₂   ⇄   CO₂ + H₂O

There are 6 carbons on the left side, so you need at least 6 molecules of CO₂ on the right.

You also have 12 hydrogens on the left, so you need at least 6 molecules of H₂O on the right.

The reaction so far is then

C₆H₁₂O₆ + O₂   ⇄   6 CO₂ + 6 H₂O

Now, on the left, you have a total of 6 + 2 = 8 oxygens, while on the right, you have 12 + 6 = 18 oxygens. To make up the difference, you need 6 molecules of oxygen:

C₆H₁₂O₆ + 6 O₂   ⇄   6 CO₂ + 6 H₂O

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7 0
3 years ago
A fair six-sided die, with sides numbered 1 through 6, will be rolled a total of 15 times. Let x¯1 represent the average of the
SIZIF [17.4K]

The sampling distribution of the difference in sample means x⁻₁ - x⁻₂ is; 3.5 - 3.5 = 0

<h3>Difference in sample means</h3>

We are told that;

  • A fair six-sided die, with sides numbered 1 through 6, will be rolled a total of 15 times.
  • x⁻₁ represents the average of the first ten rolls.
  • x⁻₂ represents the average of the remaining five rolls.

Now, the average of the largest and lowest numbers of the six sided die is;

E(x) = (6 + 1)/2 = 3.5

Thus, the average mean of the first ten rows is expressed as;

E(x⁻₁) = (n * E(x))/n

E(x⁻₁) = (10 * 3.5)/10

E(x⁻₁) = 3.5

The average mean of the last five rolls will be;

E(x⁻₂) = (n * E(x))/n

E(x⁻₂) = (5 * 3.5)/5

E(x⁻₂) = 3.5

Thus;

x⁻₁ - x⁻₂ = 3.5 - 3.5 = 0

Read more about difference in sample means at; brainly.com/question/16428987

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2 years ago
Un centro mexicano de investigación biológica.
yaroslaw [1]

Answer:

A Mexican center for biological investigation

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which the supply is higher than the demand or a decrease in production materials or a company at the brink of bankruptcy

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