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3 years ago

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when table sugar is burned in air, carbon dioxide and water vapor are products, as shown by the following unbalaned chemical equ

ation: C12H22O11(s)+O2(g) =CO2(g)+H2O(g)

1 answer:

Ulleksa [173]3 years ago

5 0

<span>C12H22O11(s)+12O2(g) =12CO2(g)+11H2O(g)</span>

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Here are the prices of five new pairs of hockey skates, in dollars: 59, 60, 65, 99, 175. The standard deviation is about $49. If

Phoenix [80]

Answer:

The standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

Step-by-step explanation:

The prices are given to be : 59, 60, 65, 99, 175

Standard deviation = $49

Now, if we add or subtract any constant value to each of the terms then the standard deviation remains unchanged.

But, we add a new price in the given data that is $450

$\text{New standard deviation = }\sqrt{\frac{\sum (\bar{x}-x_i)^2}{n}}\\\\\bar{x}\text{ is the mean of data after adding 450 and}\\x_i\text{ are the price values of the sample data}$

Hence, Standard deviation is calculated to be 139.5

Therefore, the standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

6 0

3 years ago

Read 2 more answers

Question below please!

aliina [53]

Answer:

b = √45

Step-by-step explanation:

From the figure we get, There are two right angled triangle.

In large triangle 'b' is the base, height = 6 and hypotenuse = 9

<u>To find the value of b</u>

Hypotenuse² = Base² + Height²

Here,

9² = b² + 6²

b² = 9² - 6² = 81 - 36 = 45

Therefore, b = √45

7 0

3 years ago

There are approximately 402 1/4 m around a typical running track Sandra has challenged yourself to run 10 laps a day for five da

cupoosta [38]

If she is running on that track she will have ran
4022.5

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3 years ago

20 points!!!!!PLEASE EXPLAIN HOW TO DO THIS EXPLAIN

NikAS [45]

Y- (5+0)= 2+3(x-2)
Y-5=6(x-2)
y-5=6x-2
+5 +5
y=6x+7
6x+7=x-2
-x -7 -x -7
5x=9
9/5
the answer is 1.8

7 0

4 years ago

Read 2 more answers

A 15-foot flagpole leans slightly, such that it makes an 80° angle with the ground. The shadow of the flagpole is 10 feet long w

Naya [18.7K]

Answer: 48°

<u>Step-by-step explanation:</u>

The shadow is the adjacent side and the length of the flag is the hypotenuse

$cos\ \theta=\dfrac{adjacent}{hypotenuse}\\\\\\cos\ \theta=\dfrac{10}{15}\\\\\\cos^{-1}(cos\ \theta)=cos^{-1}\bigg(\dfrac{10}{15}\bigg)\\\\\\.\qquad \qquad \boxed{\theta=48^o}$

5 0

3 years ago