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Zepler [3.9K]
3 years ago
8

A chocolate company selects 30 random packages to check their weight. They 3 packages that have an incorrect weight. How many pa

ckages out of 3000 should the company predict have incorrect weight?
Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

300

Step-by-step explanation:

so the likelyhood of an incorrectly weighted job is 3/30 which, when simplified, is 1 in 10. you then extrapolate that data to 3000, and 3000/10 is 300.

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3 years ago
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Find the area of each regular polygon. Round your answer to the nearest tenth if necessary​
Gnesinka [82]

Answer:

Step-by-step explanation:

13). Area of a square = (Side)²

                                   = (BC)²

     Since, diagonals of a square bisect each other at 90°,

     ΔBOC is a right triangle.

     By applying Pythagoras theorem in the given triangle,

     BC² = OB² + OC²

     BC² = 2(OB)²

     BC² = 2(7√2)²

     BC = \sqrt{196}

     Area of square ABCD = (BC)²

                                          = (√196)²

                                          = 196 units²

14). Measure of interior angles of the regular hexagon = 120°

     Area of the regular hexagon = \frac{3\sqrt{3}}{2}(\text{side})^2

      From the given picture,

      m∠BAC = m∠ABC = m∠ACB = 60°

      Therefore, ΔABC is an isosceles triangle.

      And all sides of this triangle will be equal in measure.

      AB = AC = BC = 9 units

      Area of the given regular hexagon = \frac{3\sqrt{3}}{2}(9)^2

                                                                 = 210.44 square units

                                                                 ≈ 210.4 square units

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3 years ago
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Aliun [14]

Answer:

4+5(x+2)=7x

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<u>x = 7</u>


hope it helps

Step-by-step explanation:


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Vitek1552 [10]
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Help me plz because i don't know how to do it!!!
Kitty [74]

Answer:

the play area is a circle with radius = 12

Step-by-step explanation:

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Q2)

Area = π r²

r = 15

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