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professor190 [17]
3 years ago
11

NEED HELP ASAP!!! These math problem like this are not my strongest when dealing with math. Three boxes are stacked one on top o

f the other. One box is 5 feet 4 inches tall, one is 2 feet 7 inches tall, and one is 3 feet 10 inches tall. How high is the stack? Write your answer in feet and inches. Use a number less than 12 for inches.
Mathematics
1 answer:
Norma-Jean [14]3 years ago
6 0
5' 4" = 64"  (5x12)+4
2' 7" = 31"  (2x12)+7
3' 10" = 46"  (3x12)+10

64+31+46= 141"
141/12= 11.75= 11 3/4
12" per foot / 4 denominator from above= 3
3 numerator from above x 3 quotient from above= 9
11' 9"
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jasenka [17]

Answer:

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Step-by-step explanation:

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Is y= -9/5x + 1/5 perpendicular to y= 5/9x + 2/9
Lana71 [14]

The given lines are perpendicular to each other.

Further explanation:

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Let m1 be the slope of line 1 and m2 be the slope of line 2

Then

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As we can see that the product of slopes of both lines is -1. The product of slopes of perpendicular lines is -1.

The given lines are perpendicular to each other.

Keywords: Slope, slope-intercept form

Learn more about equation of lines at:

  • brainly.com/question/4703807
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#LearnwithBrainly

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<EFG=<YXZ

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