MATHEMATICS HIGH SCHOOL

A model ship is 28 in. by 65 in Use the scale in : 1/2ft to find the dimension of the actual ship

Answers

Answer 1

Answer:

Answer: The actual ship is 168 in by 390 in

Step-by-step explanation:

The model ship is:

28 in by 65 in.

The factor of scale is 1/2 ft, this means that each inch corresponds to 1/2 ft, so we have that the actual scale is:

28 in*(1/2 ft/in) = 28*(1/2)ft = 14ft

by:

65in*(1/2ft/in) = 32.5ft

So the ship is 14ft by 32.5 ft, and knowing that 1 ft = 12 inches, we can write this in inches as:

14*12 in = 168 in

32.5*12 in = 390in.

The actual ship is 168 in by 390 in

Answer 2

Answer: 14ft by 32 1/2ft Hope this helps :)

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Answers

Answer:

Step-by-step explanation:

A share of stock in the Bree Medical Supply Company is quoted at 35 1/4 . Suppose you hold 20 shares of that stock, which you bought at 31 1/2. If you sold your stock at 35 1/4, which of the following would be true? A. You suffered a loss of $75.00.
B. You made a profit of $705.00.
C. You suffered a loss of $630.00.
D. You made a profit of $75.00.

Answers

In the given question, there are several information's of immense importance. The information's are:
Cost Price of a stock of Bree Medical Supply = 31 1/2
   = 63/2 dollars
Cost at which the 20 stocks of Bree Medical Company bought = (63/2) * 20
   = 630 dollars
Sale price of each stock = 35 1/4 dollars
Sale price of each stock = 141/4 dollars
Sale price of 20 stocks = (141/4) * 20
= 705 dollars
Then amount of profit made = (705 - 630) dollars
      = 75 dollars
So it can said that the statement you made a profit of $75 and so option "D" is the correct option.

How do you solve 2x^2-32=0 using square roots?

Please help!

Answers

$2x^2-32=0 \ \ / :2 \n \n x^2-16=0 \n \nx^2-4^2 = 0 \n \n (x-4)(x+4)=0 \n \n x-4 = 0 \ \ or \ \ x+4 = 0\n \n x=4\ \ or \ \ x=-4$

$2x^2-32=0\n\n2(x^2-16)=0\ /:x^2-16=0\n\nx^2-4^2=0\n\n(x-4)(x+4)=0\n\nx-4=0\ \ \ \ or\ \ \ \ \ x+4=0\n\nx=4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=-4$

What is the equation in slope-intercept form of the line that passes through the points ( -4, 47) and ( 2 , -16)?A) y= -
21
2
x +
979
21

B) y= -
2
21
x +
979
21

C) y= -
21
2
x + 5

D) y= -
2
21
x +5

Answers

Answer:c

Step-by-step explanation:

What is the simplified expression for the expression below?-1(2x + 3) - 2(x - 1)

() 4x + 1

() 4x2

() 4x + 2

() 4% = 1

Answers

first answer: -4x-1

.............

Answer:

-4×-1

Step-by-step explanation:

a cross-section is taken parallel to the bases of a general cylinder and has an area of 18. If the height of the cylinder is H, what is the volume of the cylinder? Explain your reasoning.

Answers

∵ the cross-section is parallel to the bases of the cylinder, then it is congruent to the bases thus, the area of the base of the cylinder is 18.
The volume of a general cylinder is the product of the area of the cylinder’s base times the height of the cylinder,
So the volume of the general cylinder is = 18 H

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