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scoundrel [369]
2 years ago
12

Help me p,ease please pleas please

Mathematics
1 answer:
Misha Larkins [42]2 years ago
5 0

Answer:

O There are 28 chickens for every 1 chicken coop.

Step-by-step explanation:

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Explain whether the pairing is a function
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NOT a function because it has one to many

it would’ve been a function if it had many to one
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3 years ago
The lifetime of a certain brand of battery is known to have a standard deviation of 9 hours. Suppose that a random sample of 90
Rina8888 [55]

Answer:

lower limit : 36.44

upper limit : 39.56

Step-by-step explanation:

Given :

s = 9

n = 90

x = 38.9

Alpha, α = 0.10

∴ $z_{\alpha/2}=z_{0.05} = 1.645$

The confidence interval is :

$=x \pm\left(z_{\alpha /2} \times \frac{s}{\sqrt{n}}\right)$

$=38.9 \pm\left(1.645 \times \frac{9}{\sqrt{90}}\right)$

$=38.9 \pm 1.56$

$=(36.44, 39.56)$

Therefore,

lower limit : 36.44

upper limit : 39.56

3 0
3 years ago
Leah flips a coin and then she spins the spinner with 3 equal sections colored red green and blue what is the probility that the
VARVARA [1.3K]

Answer:

33%

Step-by-step explanation:

Prob(heads) = 1/2

Prob(either red or blue) = 2/3

So Prob( heads and red/blue) = 1/2 * 2/3

= 2/6

= 1/3   which is 33%.

8 0
3 years ago
Read 2 more answers
What is the reciprocal of 8/5?
viva [34]

Answer:

5/8

Step-by-step explanation:

To find the reciprocal, flip the fraction. The sign remains the same.

The reciprocal of 8/5 is 5/8.

Answer: 5/8

4 0
3 years ago
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50w + 100 ≥ 18000 what is w
faltersainse [42]

Answer:

358

Step-by-step explanation:

set this equal to zero.

subtract 100 from 18000

divide by 50

=358

3 0
3 years ago
Read 2 more answers
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