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Mandarinka [93]
3 years ago
8

Some friends who were playing darts decided to impose a 2 point penaty for each dart that missed the dart board completely. Duri

ng the evening, a boy had 5 darts in the 20-point section, 2 darts in the triple-15-point section, and 4
darts in the double-10

point section. He missed the dart board completely 3 times. How many points did the boy score?
Mathematics
1 answer:
Advocard [28]3 years ago
8 0

Answer:

The boy score 164 points.

Step-by-step explanation:

We are given that some friends who were playing darts decided to impose a 2 point penalty for each dart that missed the dartboard completely.

During the evening, a boy had 5 darts in the 20-point section, 2 darts in the triple-15-point section, and 4  darts in the double-10  point section. He missed the dartboard completely 3 times.

The points boy scored by pointing the dart in the 20-point section = 5 \times 20 = 100 points

The points boy scored by pointing the dart in the 15-point section = 2 \times 15 = 30 points

The points boy scored by pointing the dart in the 10-point section = 4 \times 10 = 40 points

The penalty points imposed on the boy = 3 \times 2 = 6 points

So, the total points boy scored = 100 + 30 + 40 - 6 = 164 points.

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Answer:

difference in the proportion = 0.0452

Step-by-step explanation:

x1 = 27, n1 = 193,

p1 = 27/193

p1 = 0.1399

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a) The best estimate for the difference in the proportion of smokers, using male proportion minus female proportion is 0.0452. Male smokes more than females in given sample.

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3 years ago
What 3 numbers give the same result when multiplied and added together? How do you know?
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Step-by-step explanation:

4 0
3 years ago
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Find the difference (7a-6b+7) - (8a-2)
olga nikolaevna [1]
Hey there!

Let's set up our expression:

(7a-6b+7)-(8a-2)

In order to simplify, we can use that subtraction sign and distribute it, using the distributive property. We have:

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Hope this helps!
6 0
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