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Troyanec [42]
3 years ago
11

Bob drafts his favorite race car on a scale drawing. The drawing scale is 2 inches for each foot. If the drawing is 30 inches lo

ng, how long is the actual race car?
Mathematics
2 answers:
Alex787 [66]3 years ago
7 0
The answer is 15
30/2=15
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

15 feet: 30 divided by 2 is 15

Step-by-step explanation:

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Approximately equal to symbol
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In a small town, there are 4 times as many left-handed males as there are left-handed females, and there are 3 times as many rig
horrorfan [7]

Answer:

  (b)  24

Step-by-step explanation:

The given variable definitions and the given relationships let us write these statements:

  LH males = 4 × LH females = 4x

  RH females = 3 × RH males = 3y

  LH males + RH males = 204 = 4x +y

  RH females + LH females = 348 = 3y +x

Your favorite method of solving equations of this sort can tell you ...

  (x, y) = (24, 108)

There are 24 left-handed females.

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<em>Additional comment</em>

Other numbers involved here are ...

  y = 108 . . . . right-handed males

  204-108 = 96 . . . . left-handed males (=4×24)

  348-24 = 324 . . . . right-handed females (=3×108)

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If you want to solve the equations by hand, you can use substitution for y to get an equation in x:

  3(204 -4x) +x = 348   ⇒   -11x = -264   ⇒   x = 24

3 0
2 years ago
What is the slope of a line that is perpendicular to the line whose equation is 3x+5y=4?
kap26 [50]

Answer:

5/3 or 1.67

Step-by-step explanation:

Find the slope of the original line

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y = (-3/5)x + 4

The original line has a slope of - 3/5 or - 0.6

Find the slope of the perpendicular line

m1 * m2 = - 1

m1 = - 3/5

m2 = -1/(-3/5)

m2 = 5/3

The slope of the perpendicular line is

5/3 or 1.67

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3 years ago
The coordinates of the point L are (-3,7) and the coordinates of point M are
vichka [17]

Answer:

5.

Step-by-step explanation:

x axis is the same. do 7-2. Which equls 5.

4 0
3 years ago
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