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raketka [301]
2 years ago
13

The scale for a drawing of a barn is 1/2inch = 4 feet. If a pole in the drawing measures 2 1/2 inches, how tall is the actual po

le?​
Mathematics
2 answers:
ExtremeBDS [4]2 years ago
6 0

Answer:

  • 20 feet

Step-by-step explanation:

<u>Use ratios as below:</u>

  • 1/2 in : 2 1/2 in = 4 ft : x ft
  • 1/2 : 5/2 = 4 : x
  • 1 : 5 = 4 : x
  • x = 4*5
  • x = 20
Alexxx [7]2 years ago
5 0

Answer:

20 feet

Step-by-step explanation:

1/2" = 4 feet

1" = 8 feet

2" = 16 feet

2 1/2" = 20 feet

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Answer:

(-1, 5)

Step-by-step explanation:

What you do is you start at the point (-4, 8). You then have to go 3 units right which will be -1. Then you will go 3 units down which is 5.

Your answer is (-1, 5).

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3 years ago
Find the distance between the pair of coordinates: (-4, -3) and (-8, 7). A 10.77 B 3.74 C 04 D 12.65 Question​
kenny6666 [7]

~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-3})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{7})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[-8 - (-4)]^2 + [7 - (-3)]^2}\implies d=\sqrt{(-8+4)^2 + (7+3)^2} \\\\\\ d=\sqrt{(-4)^2 + 10^2}\implies d=\sqrt{116}\implies d\approx 10.77

6 0
2 years ago
What is an equation of the line that is perpendicular to y=−23x+5 and passes through the point (2, 11) ?
hichkok12 [17]

Answer:

The equation would be y = 1/23x - 251/23

Step-by-step explanation:

To start, you need to locate the slope of the first equation. Since the slope is the coefficient of x, we know it to be -23. Now, the perpendicular slope is the opposite and reciprocal of that, which makes the new slope 1/23.

Now that we have this, we can use the point and the slope in point-slope form to get the equation.

y - y1 = m(x - x1)

y - 11 = 1/23(x - 2)

y - 11 = 1/23x - 2/23

y = 1/23x - 251/23

5 0
3 years ago
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