#9 I need help
Show ur work

Answers

Answer 1

Answer: 1. convert knots to miles per hour
2. then miles per hour to yards per second.
3. use this formula
→1 mile per hour = 0.488888889 yards per second

Answer 2

Answer: 1,151 miles/h * 20=23,02miles/h. Equals ~11,25 yards/second

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a pencil sits in a pencil holder that is a rectangular prism. the pencil sits on a diagonal inside the box. find the length of the pencil (the rectangle prism measures 8cm height 4cm length and 3cm width) Pythagorean theorem

Answers

$the\ length\ of\ the\ pencil= the\ length\ of\ the\ diagonal=\n.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ = √(a^2+b^2+c^2) \n\n√(a^2+b^2+c^2) = √(8^2+4^2+3^2) = √(64+16+9) = √(89)\approx9.43\ [cm] \n\nAns.\ the\ length\ of\ the\ pencil\ is\ about\ 9.43\ [cm]$

Diagonal of rectanglular prism = √a² + b² + c²

= √8² + 4² + 3²

= √89

= 9.43

Thus, the pencil is 9.43 cm long.

The dimensions of a large room are double the dimensions of a small room.Both rooms are rectangular prisms. The volume of the small room is 10 cubic
metres.
What is the volume of the large room?

Answers

Volume id proportional to the cube of the dimensions. The volume of the larger room is 10 x (2 cubed) = 80 cubic metres.

Write an equation of a line whose slope is 10 and y-intercept is (0,-20)(0,−20)

Answers

y = 10x - 20
................................

y = 10x - 20Hope this helps

what are the steps to solve 3.5(c-8)+c=12.5? I already went on a different website and found out the answer is nine. I plugged it in and it was correct, but I would like to see how to do it because I am still clueless about how to get this answer

Answers

3.5(c-8)+c = 12.5
⇒ 3.5c- 3.5*8+ c= 12.5 (distributive property)
⇒ (3.5c+ c) -28= 12.5
⇒ 4.5c= 12.5+ 28
⇒ 4.5c= 40.5
⇒ c= 40.5/ 4.5
⇒ c= 9

The correct answer is 9~

patty bought a shirt for $14.50 plus9% tax. ales bought a sweater for $22.95 plus 9% write the sum in dollars that patty and ales paid including tax

Answers

Answer: The amount that patty and ales paid including taxes was $40.96.

Step-by-step explanation:

To calculate the cost of the shirt and sweater together, we first calculate the total cost of shirt and sweater individually.

Amount paid by Patty:

Shirt of $14.50 + 9% tax

Tax paid = $9\%=(9)/(100)=0.09$

Amount of tax paid = ($14.50 × 0.09) = $1.305

Amount paid by patty = $14.50 + $1.305 = $15.805

Amount paid by Ales:

Sweater of $22.95 + 9% tax

Tax paid = $9\%=(9)/(100)=0.09$

Amount of tax paid = ($22.95 × 0.09) = $2.0655

Amount paid by ales = $22.95 + $2.0655 = $25.0155

Total amount paid by both Patty and ales = $15.805 + $25.0155 = $40.96

Hence, the amount that patty and ales paid including taxes was $40.96.

Zack is preparing for a marathon and currently weighs 162 pounds. His total body weight can be expressed as 3x^3 + 9x^2, and his body fat weight can be expressed as 3/2x^2. Write a function which represent Zack's body fat percentage.

Answers

Fat percentage = Fat weight / Body weight * 100

Assuming that 3/2x^2 is (3/2)x^2

Fat percentage = $(3x^3+9x^2)/( (3)/(2) x^2) 100= [2x+6]100 = 200x+600$