9514 1404 393
Answer:
34.8
Step-by-step explanation:
The only polygon in the figure is the triangle outlined in red. Its perimeter is the sum of its side lengths: 15 +6.1 +13.7 = 34.8 units.
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The two halves of the chord are the same length.
To find the expected value of the distribution, we multiply each outcome by it's probability. Doing this, we get that the expected value of defects on a skateboard is of
.
Outcomes and probabilities:
0 defects, 9/10 probability
1 defect, 1/20 probability
2 defects, 1/25 probability
3 defects, 1/100 probability.
Expected value:

Dividing both numerator and denominator by 4:

Thus, the expected value of defects on a skateboard is of
.
A similar problem is given at: brainly.com/question/23156292.
Answer:
8y - 2x + 2
Step-by-step explanation:
Distribute;
8y + 8 - 2x - 6
Combine like terms;
8y - 2x + 2
Well, How much do each pound of fruit cost? Take that cost and multiply by the number of pounds for each fruit. Once you have the total for the grapes, apples, and peaches, add em together