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marshall27 [118]
2 years ago
13

Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm. Which of the following is closest to the

percent error for Diego's measurement?
Mathematics
1 answer:
Law Incorporation [45]2 years ago
3 0

Answer: 4.3%

Step-by-step explanation:

100(23 -23)/23

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r. Yi buys vegetables at a market. He purchases 6 pounds of potatoes, p, and 3 pounds of onions, n, for $18. Onions cost twice a
ad-work [718]

Answer:

  • The equation 2n = p should be 2p = n.
  • The actual cost of the onions is $3.00 per pound.
  • Potatoes cost $1.50 per pound.

Step-by-step explanation:

The wording "onions cost twice as much as potatoes" is understood to mean the cost per pound of onions (n) is equal to two times the cost per pound of potatoes (2p). Then the appropriate equation would be ...

  2p = n

Then the solution is ...

  6p +3(2p) = 18

  12p = 18

  p = 18/12 = 1.50

  n = 2p = 2(1.50) = 3.00

__

The equation should be 2p = n; onions cost $3.00 per pound; potatoes cost $1.50 per pound.

5 0
3 years ago
The variables x and y have a proportional relationship, and y=5/6 when x=3/4. Which equation represents this relationship?
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Answer:

y = 1 1/9

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4 0
2 years ago
Find the measure of the exterior Angle1 (I’m a bit confused on how exterior angles work)
sergejj [24]

Answer:

70

Step-by-step explanation:

I would do 40 + 30 = 70

180-70 = 110

110 is the last angle bc all angles add to 180 in a triangle

Then 180 - 110 = 70 for angle 1 because their supplementary

I don't know if you could just add the 2 inside angles but I would do it this way to be safe until I know for sure.

7 0
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Vanyuwa [196]
I think the answer is 263.52. Hope it's right!
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