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3 years ago

10

Which one is bigger 0.000029 or 0.000014? And why!

1 answer:

inessss [21]3 years ago

6 0

0.000029. Because the number 14 is less than 29.

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Use the ratio of a 30-60-90 triangle to solve for the variables.

Pani-rosa [81]

Answer:

$x=12,\\y=6\sqrt{3}$

Step-by-step explanation:

In all 30-60-90 triangles, the side lengths are in ratio $x:x\sqrt{3}:2x$ , where $x$ is the side opposite to the 30 degree angle and $2x$ is the hypotenuse, or longest side, of the triangle.

Since there are 180 degrees in a triangle, the angle on top must be 30 degrees. Therefore, its opposite side is 6 and $x=6$ in the ratio $x:x\sqrt{3}:2x$ .

Thus, we have:

$y=\boxed{6\sqrt{3}},\\x=2\cdot 6=\boxed{12}$

8 0

3 years ago

I need help with these two questions. I will mark brainliest

eduard

Answer:

5. A= pi $r^{2}$ r=radius d=diameter

C= pi 2r/ d

A= pi $6^{2}$

A= 36pi

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C=pi 2(6)/12

C=12pi

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6. A=pi $4^{2}$

A=16pi

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C=pi 2(4)/8

C=8pi

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Sorry I couldn't find the symbol for pi

7 0

3 years ago

Cole wrote the number shown.

Illusion [34]

The answer is the experience

4 0

3 years ago

There are 10 employees in a particular division of a company. Their salaries have a mean of $70,000, a median of $55,000, and a

Sindrei [870]

Solution:

a. original $\bar{x} =70,000 =\frac{\sum x}{n}$

$\therefore \sum x = 70,000 \times 10 =700,000$

$modified \sum x = 700,000 - 100,000 + 1,000,000 = 1,600,000$

$modified \bar{x} = \frac{1,600,000}{10} =160,000$

b. Median remains the same.

c. $original s^{2}=(20,000)^{2}=400000000=\frac{1}{n-1}[\sum x^{2}- n\bar{x}^{2}]$

$\therefore orig. \sum x^{2} = (10-1)(20000)^{2} + 10(70000)^{2}$

$=52600000000$

$mod. \sum x^{2} = 52600000000-100000^{2} +1000000^{2}$

$=1.0426E+12$

$mod.s^{2} = \frac{1}{n-1} [\sum x^{2} - n\bar{x}^{2}]$

$=\frac{1}{9} [1.0426E+12 - 10 \times 160000^{2}]$

$=87400000000$

$modified s= \sqrt{s^{2}} =\sqrt{87400000000} =295634.91$

8 0

4 years ago

Hi, if it's possible to answer this now, Thank you so much. If you don't know the answer, that's ok :D

m_a_m_a [10]

Answer:

It is B

Step-by-step explanation:

Since its 12 trillion miles we know that the power of 10 has to be 12. We also know to move decimals forward we need a positive power. Therefore the answer is B) $1.2 * 10^{12}$

Hope it helps!!!

8 0

4 years ago