The volume of a gas in a container varies inversely with the pressure on the gas. If a gas has a volume of 180 cubic inches under a pressure of 5 pounds per square inch, what will be its volume if the pressure is increased to 9 pounds per square inch?

Answers

Answer 1

Answer:

100cubic inches

Step-by-step explanation:

varies inversely

pv = k

Find the constant of variation:

volume of 180 cubic inches under a pressure of 5 pounds

5 * 180 = k

k = 900

volume if the pressure is increased to 9 pounds per square inch?

9v = 900

divide both sides by 9

v = 100


Related Questions

If the pre-image (4,-3) is translated <-6,-8> the image will be located at: (?,?)

Answers

Answer:

(-2, - 11)

Step-by-step explanation:

Coordinate of preimage = (4, - 3)

Pre image is translated <-6,-8>

X - coordinate of preimage = 4

Translation, x coordinate + (-6)

Y - coordinate of preimage = - 3

Translation, x coordinate + (-8)

Image will be located at (4+(-6) ; - 3+(-8))

Hence, we have (-2, - 11)

10. A new fish tank has a volume of 10x2 + 30x -40 cubic inches. Assuming V =
LWH, determine the expressions of the length, width and height of the fish tank.

Answers

9514 1404 393

Answer:

  10, (x+4), (x -1)

Step-by-step explanation:

The given volume expression can be factored as ...

  V = 10x² +30x -40

  = 10(x² +3x -4)

  = 10(x +4)(x -1)

The expressions representing length, width, and height might be ...

  10, (x+4), (x -1)

please help school is literally about to end

Answers

Answer:

192 is the answer

Step-by-step explanation:

Answer:

SA = 272 sq in

Step-by-step explanation:

SA = 2(8 x 2) + 2(8 x 12) + 2(2 x 12)

= 2(16) + 2(96) + 2(24)

= 32 + 192 + 48

= 272 sq in

y is directly proportional to x^3. it is known that =5 for a particular value of x. find the value of y when this value of y when this value of x is multplied by 1/2.​

Answers

Answer:

The value of [tex]y[/tex] when the value of [tex]x[/tex] is multiplied by [tex]\frac{1}{2}[/tex] is [tex]\frac{5}{8}[/tex].

Step-by-step explanation:

According to the statement, we have the following relationship:

[tex]y = k\cdot x^{3}[/tex] (1)

Where:

[tex]x[/tex] - Independent variable.

[tex]y[/tex] - Dependent variable.

[tex]k[/tex] - Proportionality constant.

We can eliminate the proportionality constant by constructing the following relationship:

[tex]\frac{y_{2}}{y_{1}} = \left(\frac{x_{2}}{x_{1}} \right)^{3}[/tex]

If we know that [tex]y_{1} = y[/tex], [tex]y_{2} = 5[/tex], [tex]x_{2} = x_{o}[/tex] and [tex]x_{1} = \frac{1}{2}\cdot x_{o}[/tex], then the value of [tex]y[/tex] when the value of [tex]x[/tex] is multiplied by [tex]\frac{1}{2}[/tex] is:

[tex]\frac{5}{y} = \left(\frac{x_{o}}{\frac{1}{2}\cdot x_{o} } \right)^{3}[/tex]

[tex]\frac{5}{y} = 8[/tex]

[tex]y = \frac{5}{8}[/tex]

The value of [tex]y[/tex] when the value of [tex]x[/tex] is multiplied by [tex]\frac{1}{2}[/tex] is [tex]\frac{5}{8}[/tex].

Multiply. Round to two decimal places


____ x 14.32 = 554.76

Answers

Answer:

[tex]\huge\boxed{Answer\hookleftarrow}[/tex]

[tex]_____ x 14.32 = 554.76[/tex]

Let's take '____' as x

[tex]x \times 14.32 = 554.76 \\ x = \frac{554.76}{14.32} \\ x = \frac{554.76 \times 100}{14.32 \times 100} \\ x = \frac{55476}{1432} \\ x = 38.74[/tex]

⎆ The answer of ____ x 14.32 = 554.76 in 2 decimal places will be ⇻38.74

NOTE:

We multiplied the fraction × 100 to remove the decimal points so that it'll be easier to calculate.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

# ꧁❣ RainbowSalt2²2² ࿐

NEED HELP ASAP!!!! MATH SUCKS :')​

Answers

Answer:

I would choose D

Step-by-step explanation:

im sorry if im wrong :( im not good at math..

PLEASE HELP QUICK!!

Rachel works for a clothing store. She is paid $150 every week plus a 10% commission on any clothes that she sells. Which of the following is true in regards to Rachel's weekly paycheck?


A. $100 in clothing sales gives Rachel a $250 paycheck

B. $1,100 in clothing sales gives Rachel a $260 paycheck

C. $4,200 in clothing sales gives Rachel a $420 paycheck

D. $16,000 in clothing sales gives Rachel a 1,450 paycheck

Answers

Answer:

A-false  B-true  C-false  D-false

Step-by-step explanation:

We just have to calculate a lot!

A.

100*10%=10

10+150=160

NOPE

B

1100*10%=110

110+150=260

YUP

C

4200*10%=420

420+150=570

NOPE

D

16000*10%=1600

1600+150=1750

NOPE

All false I just had this question on test

kelly will roll a number cube labeled 1 to 6. what is the probability kelly will roll a number greater than 3?

Answers

Answer:

%50

Step-by-step explanation:

Answer:

[tex]\frac{1}{2}[/tex], 50%, or 0.5.

Step-by-step explanation:

Well, there are six possible outcomes, and we are looking for the probability of getting a number greater than three. There are three possible outcomes of getting a number greater than three, which makes the probability of getting the desired outcome look somewhat like the following fraction:

[tex]\frac{3}{6}[/tex] (or simplified, [tex]\frac{1}{2}[/tex])

Anyways, now that we have the outcome in the form of a fraction, we can convert it to percent (50%) or decimal form (0.5).

Hope this wasn't too complicated! Feel free to let me know in the comments if you want me to elaborate. ^-^

An airplane flies at an altitude of 6 miles toward a point directly over an observer. Consider and x as shown in the figure.
(a) Write as a function of x.
(b) Find when x = 11 miles and x = 4 miles. (Enter your answers in radians rounded to two decimal places.)

Answers

Answer:

20.7 I hope this is right good luck

PLSSS ASAP HELP!! Find the area of the parallelogram shown below. The formula to find area of a parallelogram is base x height.

Answers

Given:

A parallelogram with base c, height h and other side a.

[tex]a=55.83[/tex] yds

[tex]c=100[/tex] yds

[tex]h=52[/tex] yds

To find:

The area of the parallelogram.

Solution:

The area of a parallelogram is:

[tex]A=base\times height[/tex]

In the given parallelogram, the base is [tex]c=100[/tex] yds and the height is [tex]h=52[/tex] yds. So, the area of the parallelogram is:

[tex]A=100\times 52[/tex]

[tex]A=5200[/tex]

Therefore, the area of the parallelogram is 5200 square yds . hence the correct option is A.

An archer hits his target 80% of the time. If he shoots 7 arrows, what is the probability of each event

Answers

Answer:

The probability is that he hits 5.6 out of 7 attempts.

Step-by-step explanation:

Given that an archer hits his target 80% of the time, if he shoots 7 arrows, to determine what is the probability of each event, the following calculation must be performed:

7 x 80/100 = X

560/100 = X

5.6 = X

Therefore, the probability is that he hits 5.6 out of 7 attempts.

Find the surface area of a cylinder with a height of 8m and a base diameter of 12m .

Answers

Answer: A≈527.79m²

Step-by-step explanation:

HOPE THIS HELPS

15 POINTS**
Write an explicit formula an, the nth term of the sequence 27,-3,-33,-63

Answers

Answer:

The nth term is 27 - 30(n-1) or can be simplified to 57 - 30n.

Step-by-step explanation:

This is an arithmetic sequence (ie. each term equals the previous term with a constant value added (or subtracted from it)

T1 = 27

T2 = -3 = T1 - 30 = 27 - 30

T3 = -33 = T2 -30 = 27 -30 - 30=27-30X(2)

T4= -63 = T3 - 30 =27-30X(2)-30=27-30X(3)

In general, the nth term of this sequence:

S(n) = 27 - 30X(n-1)

A drawer contains 4 blue socks, 8 black socks, and 10 white
socks. If one sock is taken out of the drawer without looking,
find the probability that each of the following will be drawn.
Express each ratio as a fraction in simplest form.

Answers

Answer:

7: 2/11

8: 4/11

9: 5/11

10: 6/11

11: 9/11

12: 7/11

What is 75.4 in expanded form

Answers

Answer: 75.4 =

 70  

+ 5  

+   0.4

Step-by-step explanation:

Hope this helps :)

Find the exact circumference of a circle with the given radius.
7 feet
C=
O 771 ft.
1471 ft.
02771 ft.

Answers

Answer:

43.98

Step-by-step explanation:

i was doing a problem like that on my math paper as well

Choose the best definition for the given term:

Domain

Answers

The domain of a function is the set of all possible inputs for the function.

For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0.

Express as a trinomial.

Answers

Answer:

[tex]x^2+2x+1[/tex]

Step-by-step explanation:

When given the following trinomial,

[tex](x+1)(x+1)[/tex]

Distribute, multiply every term in one of the parenthesis by every term in the other,

[tex](x)(x)+(1)(x)+(1)(x)+(1)(1)[/tex]

Simplify,

[tex]x^2+x+x+1[/tex]

Combine like terms

[tex]x^2+2x+1[/tex]

Answer:

Step-by-step explanation:

Use Foil

f: x * x = x^2

o: x * 1 = x

i: x * 1 = x

l: 1 * 1

x^2 + x + x + 1

x^2 + 2x + 1

PLEASE HELP!! STUCK FOR A WHILE

solve for x​

Answers

Use Pythagorean theorem.

Hence
(5)= 2+x^2
X^2 = 5-2
X^2 = 3
X = 1.732


HELP HELP HELP HELP

What is the equation of the trend line in the scatter plot ?

Answers

answer:
y = -2x + 11

step-by-step explanation:
counting rise/run you will find the slope is -2
using this rule 11 would be the y-intercept
making it into y = mx + b
y = -2x + 11

An engineer designed a valve that will regulate water pressure on an automobile engine. The engineer designed the valve such that it would produce a mean pressure of 5.7 pounds/square inch. It is believed that the valve performs above the specifications. The valve was tested on 8 engines and the mean pressure was 6.2 pounds/square inch with a variance of 0.49. A level of significance of 0.05 will be used. Assume the population distribution is approximately normal. Make the decision to reject or fail to reject the null hypothesis.

Answers

Answer:

The p-value of the test is 0.0416 < 0.05, which means that the null hypothesis is rejected.

Step-by-step explanation:

The engineer designed the valve such that it would produce a mean pressure of 5.7 pounds/square inch. It is believed that the valve performs above the specifications.

At the null hypothesis, we test that the mean is the specification value of 5.7, that is:

[tex]H_0: \mu = 5.7[/tex]

At the alternate hypothesis, we test that the mean is above the specifications, that is, above 5.7. So:

[tex]H_a: \mu > 5.7[/tex]

The test statistic is:

[tex]t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.

5.7 is tested at the null hypothesis:

This means that [tex]\mu = 5.7[/tex]

The valve was tested on 8 engines and the mean pressure was 6.2 pounds/square inch with a variance of 0.49.

This means that [tex]n = 8, X = 6.2, s = \sqrt{0.49} = 0.7[/tex]

Test statistic:

[tex]t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}[/tex]

[tex]t = \frac{6.2 - 5.7}{\frac{0.7}{\sqrt{8}}}[/tex]

[tex]t = 2.02[/tex]

P-value of the test and decision:

The p-value of the test is the probability of finding a sample mean above 6.2, which is the p-value of t = 2.02, using a right-tailed test with 8 - 1 = 7 degrees of freedom.

With the help of a calculator, this p-value is 0.0416.

The p-value of the test is 0.0416 < 0.05, which means that the null hypothesis is rejected.


Is this relation a function?*

{(5, 1),(-1,5),(-5, 1), (1,-5), (5,3)}

A. Function

B. Not a function

Answers

Answer:

B. Not a function

Step-by-step explanation:

A carpenter is building a rectangular deck. The deck should have a width, f(x), to length, g(x), ratio of 2 to 3. The area of the deck is represented by the function h(x). Complete the table with the missing side lengths and areas of the deck.

Answers

Answer:

1. 6

2. 6

3. 10

4. 600

Step-by-step explanation:

edg :)

The complete table is given below.

x          f(x)            g(x)           h(x)

 1          2                3               6

2          4                6              24

5         10               15             150

10        20              30            600

What is a function?

A statement, principle, or policy that creates the link between two variables is known as a function. Functions are found all across mathematics and are required for the creation of complex relationships.

A carpenter is building a rectangular deck. The deck should have a width, f(x), to length, g(x), and a ratio of 2 to 3. The area of the deck is represented by the function h(x).

The functions are given below.

f(x) = 2x

g(x) = 3x

h(x) = f(x) × g(x) = 6x²

Complete the table with the missing side lengths and areas of the deck.

x          f(x)            g(x)           h(x)

 1          2                3               6

2          4                6              24

5         10               15             150

10        20              30            600

More about the function link is given below.

https://brainly.com/question/5245372

#SPJ2

Point Q is the center of dilation. Rectangle H I J K is dilated to create rectangle H prime I prime J prime K prime. The length of H prime I prime is 32 inches. The length of I prime J prime is 24 inches. Sylvia enlarged a photo to make a 24 x 32 inch poster using the dilation DQ,4. What are the dimensions, in inches, of the original photo? 3 × 8 6 × 8 12 × 16 18 × 24

Answers

Answer:

it is 6 x 8

Step-by-step explanation:

100%

The dimensions, in inches, of the original photo are 6 x 8.

We have given that,

Point Q is the center of dilation.

Rectangle H I J K is dilated to create rectangle H prime I prime J prime K prime.

The length of H prime I prime is 32 inches. The length of I prime J prime is 24 inches.

Sylvia enlarged a photo to make a 24 x 32-inch poster using the dilation DQ,4.

We have to determine the dimensions, in inches, of

the original photo 3 × 8 6 × 8 12 × 16 18 × 24

What is the dimension?

Dimensions in mathematics are the measure of the size or distance of an object or region of space in one direction.

The dimensions, in inches, of the original photo is 6 x 8.

To learn more about the dimension visit:

https://brainly.com/question/26740257

#SPJ5

Drag numbers into the blanks to rewrite the square roots.
square root -5 (it doesnt let me put the symbol. whats the answer?

Answers

Answer:

Step-by-step explanation:

for a lot of math classes they just tell you  "don't take the square root of a negative number"   Then when you see this   [tex]\sqrt{-5}[/tex]  it looks all wrong.  But,  just think of the two things under the radical as

[tex]\sqrt{-1*5}[/tex]

now, take the  -1 out of the square root as   "  i  "

i[tex]\sqrt{5}[/tex]

and if you want to put it into correct complex form

0 + i[tex]\sqrt{5}[/tex]

Which OF THESE IS THE QUADRATIC PARENT FUNCTION!?!
A. f(x)=x
B. f(x)2^×
C. f(x)=lxl
D. f(x)=x^2​

Answers

Answer:

D. f(x)=x^2​

Step-by-step explanation:

What is the slope of a line perpendicular to the line whose equation is 2x + 2y = 28. Fully simplify your answer.​

Answers

2x+2y=28
Change equation to y= mx+b format
2y=-2x+28
Divide everything by 2
y=x+14
The slope of the line perpendicular to above equation is -1

Or
y=-x+14

Trading 10 points for air :)

I'm under I know....​

Answers

Answer:

what kind of air

Step-by-step explanation:

Solving systems by elimination.

Answers

Answer:

These are the answers :) If you have any questions feel free to ask!

1. (1,3)

2. (6,6)

3. (-1,-2)

4. (6,3)

A random sample of the students at two high schools were asked whether they were satisfied or unsatisfied with their school's variety of
extracurricular activities. The results are summarized in the table.
Satisfied Unsatisfied Total
37
23
60
High School A
High School B
Total
42
18
60
79
41
120
What is the approximate probability that a randomly selected student is satisfied with his or her school's variety of extracurricular activities?
O A. 0.308
OB. 0.468
O c. 0.617
OD. 0.658
O E 0.790

Answers

Answer: D. 0.658

Step-by-step explanation:

A randomly selected student would be from either of the high schools so both high schools need to be taken into account.

The probability that a randomly selected student is satisfied with his or her school's variety of extracurricular activities can be calculated as:

= Number of students from both high schools that are satisfied / Total number of students in both high schools

= 79 / 120

= 0.658

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