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Soloha48 [4]
3 years ago
12

Calculate the volume of the solid. Round answer to the nearest hundredth.

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
8 0

Answer:

630 ft^3

Step-by-step explanation:

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Find the value of each expression <br><br> 1.|9|
Leni [432]

Answer:

9

Step-by-step explanation:

|9| = 9

Absolute value is distance from zero. 9 is 9 away from 0. BRAINLIEST? :')

8 0
3 years ago
2) Which equation could represent a line that is perpendicular to y= -2x +<br> 4?
pshichka [43]

Answer:

Perpendicular lines have a slope that is the negative reciprocal of the given line.

For example, if a given line has the slope 3/2, the the perpendicular line would have the slope -2/3.

For the given line: y = 4x - 7, the perpendicular line would have a slope of -1/4

There isn't enough info in the question to determine the y-intercept. Literally, any y-intercept could work and the line would still be perpendicular. Is the line supposed to pass through a certain point?

Your answer would be something like: y = -1/4 x + b

b is the y-intercept...if your question paper is multiple choice, choose the answer with the slope of -1/4. If it's supposed to pass through a certain point (x,y) replace x and y with the values in that point and solve for b to get the y-intercept.

6 0
3 years ago
Read 2 more answers
What is 75/150 as a decimal
nataly862011 [7]
Hi,

75/150 is 1/2 which turns into 0.5 as a decimal. 
7 0
3 years ago
Help ASAP
Zinaida [17]

false, an independent event is an event that isn't affected

7 0
4 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
alekssr [168]

Answer:

A) bar{x}_{new}=160,000

B) Median remains the same.

C) sigma_{new}=300998.34

Step-by-step explanation:

Consider the complete question attached below.

No. of employees = n = 10

Given mean = $70,000

Median = $55,000

Standard deviation = $60,000

Largest number on the list = $100,000

Accidentally changed to = $1,000,000

Modified mean, media, SD =?

A) Modified Mean:

\bar{x}=\frac{\sum x}{n} = 70,000\\\\\sum x=(\bar{x})(n) = (70,000)(10)\\\\\sum x=700,000\\\\\sum x_{new} =700,000 -100,000+1,000,000\\\\\sum x_{new}=1,600,000\\\\\bar{x}_{new}=\frac{1,600,000}{10}\\\\\bar{x}_{new}=160,000

B) Modified Median:

Median remains same and is not affected by changing highest value.

C) Modified SD:

Standard deviation is given by formula:

\sigma=\sqrt{\frac{\sum x^{2}-n\bar{x}}{N-1}}---(1)\\\\\sigma_{new}=\sqrt{\frac{\sum x_{new}^{2}-n\bar{x}_{new}}{N-1}}---(2)\\\\From\,\, (1)\\\\\sum x^{2}=(N-1)\sigma^{2}+n\bar{x}

\sum x^{2}=(10-1)(60,000)^{2}+(10)(70,000)^{2}\\\\\sum x^{2}=8.14\times 10^{10}\\\\\sum x_{new}^{2}= 8.14\times 10^{10}-(10,0000)^{2}+(1,000,000)^{2}\\\\\sum x_{new}^{2}=1.0714\times 10^{12}\\\\Using\,\, (2)\\\sigma_{new}=\sqrt{\frac{1}{9}(1.0714\times 10^{12}-(10)(1.6\times 10^{5})}\\\\\sigma_{new}=\sqrt{9.06\times 10^{11}}\\\\\sigma_{new}=300998.34

7 0
3 years ago
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