If a flexible air-filled container has a volume of 40 cu ft on the surface, what would the volume be at 99 feet in sea water

Answers

Answer 1

Answer:

The volume of flexible air filled container at 99 feet in sea water is 10 cu.ft.

What is Boyle's law?

Boyle's Law states that If the temperature is constant, the volume of a gas is inversely proportional to the absolute pressure.

V 1/V2 =P2/P1

V2 = P1 x V1 /P2

Substitute 60 psi for P2, 14.7 psi for P1 and 40cu.ft for V1, we get the volume V2

V2 = 40 x 14.7 / 60

V2 = 9.8 cu.ft

Volume is approximately 10 cu.ft.

Thus, the volume of flexible air filled container at 99 feet in sea water is 10 cu.ft.

Learn more about Boyles law.

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Answer 2

Answer:

Answer:

50 cu ft

Step-by-step explanation:

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A student needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. The function f(r) relates the area of the cardboard piece, in square inches, to the radius r in inches. Which of the following shows a reasonable domain for f(r)?A) 7 < r < 14
B)154 < r < 616
C) all positive integers less than 7
D) all positive integers between 14 and 154

Question 35 (Multiple Choice Worth 1 points)

(04.02)

An expression is shown below:

square root of 18 plus square root of 2

Which statement is true about the expression?

A) It is rational and equal to 3.
B)It is rational and equal to 4.
C)It is irrational and equal to 3 multiplied by the square root of 2.
D) It is irrational and equal to 4 multiplied by the square root of 2.

Answers

Given:
circular cardboard with an area between 154 in² and 616 in²

Area of a circle = πr²
154 in² = 3.14 * r² 616 in² = 3.14 * r²
154 in² / 3.14 = r² 616 in² / 3.14 = r²
49 in² = r² 196 in² = r²
√49 in² = √r² √196 in² = √r²
7 = r 14 in = r

Radius is between 7 inches and 14 inches. ⇒ A) 7 < r < 14

√18 + √2 = √9 *2 + √2 = 3√2 + √2 = (3+1) √2 = 4√2

D) It is irrational and equal to 4 multiplied by the square root of 2.

A CARPENTER BOUGHT A PEICE OF WOOD THAT WAS 371.952 CENTIMETERS LONG . TTHEN HE SAWED 0.68 CENTIMETERS LONG OFF THE END. HOW LONG IS THE PEICE OF WOOD NOW

Answers

Answer: the piece of wood is now 371.272 centimeters long. also please stop yelling.

Step-by-step explanation: To find the length of the piece of wood after 0.68 centimeters are sawed off, you need to subtract 0.68 from the original length of 371.952 centimeters.

371.952 - 0.68 = 371.272 centimeters

Please let me know if there is anything else I can help you with!

What is A2 – (B + C) in simplest form?A=8x2 – 25x + 7
B=8x2– 25x + 11
C=10x2 – 25x + 7
D=10x2 – 25x + 11

A, B, and C are polynomials, where:
A = 3x – 4
B = x + 7
C = x2 + 2

Answers

A2 - (B + C) = (3x - 4)2 - ((x + 7)+ (x2 + 2))
A2 - (B + C) = 9x2 - 24x + 16 - (x2 + x + 9)
A2 - (B + C) = 9x2 - 24x + 16 - x2 - x - 9
A2 - (B + C) = 8x2 - 25x + 7

So, the answer is
A:
8x2 – 25x + 7

Answer: $8x^2 - 25x + 7$

Step-by-step explanation:

Here, $A = 3x - 4$ , $B = x + 7$ and $C = x^2 + 2$

$A^2 - (B + C)= (3x-4)^2-(x+7+x^2+2)$ ( By putting the values)

= $(3x)^2+ (4)^2- 2* 3x* 4- x- 7 - x^2 -2$ ( solving the brackets)

= $9x^2+ 16 - 24x - x- 7 - x^2 -2$

= $8x^2- 25x + 7$ ( By operating like terms)

⇒ $A^2 - (B + C) = 8x^2- 25x + 7$

Thus, Option A is correct.

There are only blue yellow and green cubes is a bag. There are three times as many blue cubes as yellow cubes. There are five times as many green cubes as blue cubes. I take out a random cube from the bag, what is the probability that I take out a yellow cube?

Answers

Let the number of yellow cubes be x

Yellow Cubes = x

Blue Cubes = 3x

Green = 5 (3x) = 15x

Ratio : Yellow : Blue : Green = 1 : 3 : 15

P(Yellow) = 1/19

Answer: 1/19

What is the domain of the function shown in the graph 1) all real numbers
2)all real numbers less than 0
3)all real number greater than 0
4)all real numbers including 2 and 6

Answers

Answer:

The answer to your question is number 1) all real numbers.

Step-by-step explanation:

The Domain is all the set of numbers the x-axis could have.

In the graph, we notice a line that goes from zero to six, we could think that the domain is that interval but as the line has arrows, we can think that the line grows up in both senses, then the domain must be all real numbers.

Evaluate: f(x) = -2x + 6 for x = 10.

Answers

Answer:

Step-by-step explanation:

f(10) = -2(10) + 6 = -20 + 6 = -14

Answer:

f=- $(x)/(5)$ + $(3)/(5)$

Step-by-step explanation:

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