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Shalnov [3]
2 years ago
5

To make a string for his kite, Jeb ties three colors of string end to end. After they are tied together, the blue section is 29

cm, the red section is 30 cm, and the green section is 18 cm.
How long is Jeb's kite string?
Mathematics
1 answer:
Elenna [48]2 years ago
5 0
His kite string would be 77 cm long
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2 years ago
According to a study done by De Anza students, the height for Asian adult males is normally distributed with an average of 66 in
Zolol [24]

Answer:

The probability that the person is between 65 and 69 inches is 0.5403

Step-by-step explanation:

Mean height = \mu = 66

Standard deviation = \sigma = 2.5

We are supposed to find What is the probability that the person is between 65 and 69 inches i.e.P(65<x<69)

Z=\frac{x-\mu}{\sigma}

At x = 65

Z=\frac{65-66}{2.5}

Z=-0.4

Refer the z table for p value

P(x<65)=0.3446

At x = 69

Z=\frac{69-66}{2.5}

Z=1.2

P(x<69)=0.8849

So,P(65<x<69)=P(x<69)-P(x<65)=0.8849-0.3446=0.5403

Hence the probability that the person is between 65 and 69 inches is 0.5403

6 0
3 years ago
If A ⊂ B, then which of the following describes the relationship between A and B?
Ne4ueva [31]
Could you provide the answer choices please?
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3 years ago
Lisa is mailing a letter to a friend. Postage costs $0.32 for the first ounce and $0.23 for the additional ounce. How heavy can
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Answer: 8.3 ounces

Step-by-step explanation:

simple, there's a flat fee for 1 ounce, then 23 cents for each ounce following.

so $2 - $0.32 = $1.68

1.67 / 0.23 = 7.3 ounces

7.3 ounces + 1 ounces (from the flat fee we subtracted)

which equals 8.3

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2 years ago
What’s the answer to this? I’ll mark you brainliest if you tell me the answer/what to put 3
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Answer:

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