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Morgarella [4.7K]
3 years ago
5

Solve 55/z + 1/5 = 7/z

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:HEY THERE

Step-by-step explanation:

<h3>55/z + 1/5 = 7/z</h3><h3>>1/5=7/z -55/z</h3><h3>>1/5= -48/z[do cross multiplication]</h3><h3>>1*z=5*-48</h3><h3>>z=-240</h3><h3>this is ur answerr..hope it helped u^_^</h3>
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4 years ago
Can someone please help? A ferris wheel is drawn on a coordinate plane so that the first car is located at the point ​(0​,10​).
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Answer:

(10,0)

Step-by-step explanation:

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3 years ago
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Complete a factor tree and a ladder diagram to find the prime factorization of 54
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2|54
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4 years ago
Suppose that the height, in inches, of a 25-year-old man is a normal random variable with parameters = 71 and 2 = 6:25. What per
Alexus [3.1K]

Answer:

2.28%

Step-by-step explanation:

given that the height, in inches, of a 25-year-old man is a normal random variable with parameters = 71 and variance = 6:25.

If X is the height of 25 year old man then X is N(71, 2.5)

a) Probability of men in the 6-footer club are over 6 feet, 5 inches

=P(X>6'5")\\=P(X>77")\\= P(Z>\frac{77-72}{2.5} \\=P(X>2)

= 0.0228

percentage of men in the 6-footer club are over 6 feet, 5 inches

100 times prob

=2.28%

2.28% of men in the 6-footer club are over 6 feet, 5 inches willbe taller than 6 feet and 5 inches

5 0
4 years ago
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