21. The length (in inches) of a standard nail can be modeled by = 54d³/² where d is the diameter (in inches) of the nail. What is the diameter of a standard nail that is 2 inches long? What is the diameter of a standard nail that is 4 inches long? The nail in part (b) is twice as long as the nail in part (a). Is the diameter twice as long? Explain. "

Q: Yis inversely proportional to the square root of x. If Y= 9 when x = 64, then what is Ywhen xis 2253

A: Y is inversely proportional to square root of x

Q: If 24r-1 = 2', then. = 7. %3D

A: Given 24x-1=27

Q: When the height of the sand in a particular rectangular sandbox is leveled out then the height of…

A: The height of the sand box is proportional to the volume of the sand. When the height is 2.25 in the…

Q: What is the volume of the box when x=3? V(3)= cubic centimeters

A: Solution: Volume of cube(V) = a3 where a is the length of side of the cube

Q: Linlo rode her scooter for 1/3 hour and traveled 2 1/6 kilometers. What is her average speed in…

A: To determine the average speed.

Q: 2. Is the expression 4x³ 3.6x² - V2 a polynomial? If so, what is its degree? (pp. A22-A24) -

A: (2) Here the given expression  4x³-3.6x²-√x = 0 Here the given expression is polynomial Degree of a…

Q: what is the formula for area of a square when s=5?

A:

Q: ndidke fex)= 4x²-8 pifferes %3D

A: Derivatives of function

Q: The membrane of a cell is a sphere of radius 6 microns. What change in the radius will increase the…

A: Given that, the membrane of a cell is a sphere of radius 6 microns.  Let the change in radius be x…

Q: 2/5+2/x=235+25/x.   Find x ..

A: Topic = Algebra x=-551

Q: n is an even negative integer. Quantity A A Quantity B (-3)"

A:

Q: Abackyard's fencing in length is five times its width. Ifthe fenoc'o length io decreasing 2 inchco…

A: Given data is: A backyard's fencing length is five times its width. Fencing length is decreasing 2…

Q: The owner of the Rancho Los Feliz has 6000 yd of fencing with which to enclose a rectangular piece…

A: Given that  the owner of the Rancho Los Feliz has 6000 yd of fencing with which to enclose a…

Q: 4.) A baby can crawl at a rate of 42 yards in three minutes. How many feet can the baby crawl in two…

A: Given that  A baby can crawl at a rate of 42 yards in three minutes.  To find Number of feet can the…

Q: 4.801 x 10 -2.2 x 107

A: 4.801× 103-2.2× 107To simplify

Q: Use dimensional analysis If a football field (100 yards without the end zones) is converted to a…

A: Simple conversion will be : 1 yard = 3 feet 1 feet has 12 inches 1 inch = 25.4mm  1mm=0.1cm…

Q: You have a coin jar and the opening at the top has a circumference of 200.96 cm. You have a unique…

A: Circumference= 213.52 cm  For detail....go through the solution....I have solved step by step

Q: An airline requires that the total outside dimensions (length + width + height) of a checked bag not…

A:

Q: Xavier can swim at a constant speed of 5/3 meters/seconds what is the ratio of the number of meters…

A: A ratio indicates how much of one thing there is compared to another thing. for example, let a bowl…

Q: The functionf is defined by f(x) = 2x + V5x-6-3, which of the the following represents the solutions…

A: Given, f(x)=2x+5x-6-3 We have to find the solutions for the equation f(x)=0

Q: A large pump can dra A Smaller pump can drai How long will it' take AMAla pond using both pumps.

A: Given that: Time taken by larger pump to drain = 6hrsTime taken by smaller pump to drain = 9 hrs.