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baherus [9]
3 years ago
9

Find the gcf of 15a and 28b^2. 9ab^2 0 3 1

Mathematics
1 answer:
lions [1.4K]3 years ago
5 0
Answer:

GCF(15a; 28b²) = 1
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To return back to -18°C from -10°C, you would have to lower the temperature by -8°C to compensate for the difference.

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3 years ago
Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.† Suppose a small group of 10 Allen's hummingb
ruslelena [56]

Answer: provided in the explanation segment

Step-by-step explanation:

(a). from the question, we can see that since that б is known, we can use standard normal, z.

we are asked to find an 80% confidence interval for the average weights of Allen's hummingbirds in the study region. What is the margin of error?

⇒ 80% confidence interval for the average weight of Allen's hummingbirds is given thus;

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which is

3.15 ± 1.28 * 0.32/√10

= 3.15 ± 0.1295 = 3.0205 or 3.2795

(b). normal distribution of weight (c) б is known

(c). option (a) and (e) are correct

(d).  from the question, let sample size be given as S

this gives';

1.28 * 0.32/√S = 0.15

√S = (1.28 * 0.32) / 0.15 = 2.73

S = 7.4529

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6 0
3 years ago
The probability that an event will occur is 2/3 what is the best answer of this event likely occurring
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It's likely that the event will occur.
6 0
3 years ago
Please help me (i don’t know how to do it)
Novay_Z [31]

Answer:

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4 0
3 years ago
What is the area of a flour tortilla that has a 14-centimeter radius?
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The formula for the area of a circle is
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3 years ago
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