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VLD [36.1K]
3 years ago
5

*Due tonight, plz help*

Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0

Answer:

y° = 7°

Step-by-step explanation:

 (8y +4) +(8y +4) +(8y +4)=180°   ( Equilateral Triangle)

24y +12= 180°

24y= 180-12

y=7°

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An elephant walked 30 miles in 3 hours ,how fas was the elphant walking?​
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Answer:

10 miles per hour

Step-by-step explanation:

speed= distance/time

30/3

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7 0
3 years ago
Estimate 43% of 117. (2 points)<br> Show your work to
finlep [7]

Answer:

Let's say 50

Step-by-step explanation:

40% of 100 is 40

50% of 117 is about 59

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8 0
2 years ago
A boundary stripe 6 in. wide is painted around a rectangle whose dimensions are 120 ft by 230 ft. Use differentials to approxima
Nimfa-mama [501]

Answer:

350 square feet

Step-by-step explanation:

We are given that

Width of strip=6 in

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We know that

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dA=\frac{\partial A}{\partial x}x+\frac{\partial A}{\partial y}y

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\frac{\partial A}{\partial y}=x=120

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dy=\frac{12}{12}=1 ft

Because 6 in added on both sides of length of rectangle

Substitute the values

dA=230\times 1+120\times 1=350 ft^2

Hence, the number of square feet of paint in the strip=350 square feet

7 0
3 years ago
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Read 2 more answers
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