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Kazeer [188]
3 years ago
13

Use the unit circle to find tan 60°

Mathematics
1 answer:
8_murik_8 [283]3 years ago
5 0

Answer:3

Step-by-step explanation:

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2<br> In the diagram above, Z1 = 135°,<br> Find the measure of Z2.<br> 22 = [?]°
forsale [732]

Answer:

45

Step-by-step explanation:

180-135=45

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Step-by-step explanation:

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If 3 onions weigh 1 pound, how much do 12 onions weigh?
Anon25 [30]

Answer:

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Step-by-step explanation:

3 x 4 = 12

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3 years ago
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2. One important factor in inventory control is the variance of the daily demand for a product. Management believes that demand
salantis [7]

Answer:

we reject H0 and conclude that management's belief about variance is untrue.

Step-by-step explanation:

H0 : σ² = 250

H1 : σ² ≠ 250

Sample size, n = 25

xbar = 50.6 ; s² = 500

α = 0.01 ;

The test statistic :

χ² = [(n - 1)s²] ÷ σ²

χ² = [(25 - 1)* 500] ÷ 250

χ² = (24 * 500) / 250

χ² = 12000 / 250

χ² = 48

The critical value:

df = n-1 ; 25 - 1 = 24

χ²(0.01/2 ; 24) = 45.559

Decison :

Reject H0 : if |χ² statistic| > critical value

Since 48 > 45.559

Hemce, we reject H0 and conclude that management's belief about variance is untrue.

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2 years ago
Help pls <br>IM DONE I CANT DO THISS​
MatroZZZ [7]
Let’s say (5, 3) is Point A, (5, -4) is Point B, and (8, 3) is Point C. If reflected into the y axis, you would simply just make the x signs the opposite of what they already are. Therefore Point A being (-5, 3), Point B being (-5, 4), and Point C being (-8, 3).
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2 years ago
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