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2 years ago

Using α = .05, what are the critical values for the test statistic? (to 2 decimals) (+ or -

Mathematics

1 answer:

kari74 [83]2 years ago

7 0

I think it will be 0 and 0.1 simply go up 0.05 and down by 0.05 as well

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Lula made 24 hops in 30 seconds how much would she make in 50 seconds

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2 years ago

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Footballs cost $22.00 each. The athletic director has $277.00 in his budget to spend on footballs there is a $13.00 shipping fee

ZanzabumX [31]

Answer:

Step-by-step explanation:

x = number of footballs he can order

22*x + 13 (shipping fee) = 277

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2 years ago

Fill in Sin, Cos, and tan ratio for angle x. <br> Sin X = 4/5 (28/35 simplified)

Fantom [35]

Answer:

Given: $\sin(x) = (4/5)$ .

Assuming that $0 < x < 90^{\circ}$ , $\cos(x) = (3/5)$ while $\tan(x) = (4/3)$ .

Step-by-step explanation:

By the Pythagorean identity $\sin^{2}(x) + \cos^{2}(x) = 1$ .

Assuming that $0 < x < 90^{\circ}$ , $0 < \cos(x) < 1$ .

Rearrange the Pythagorean identity to find an expression for $\cos(x)$ .

$\cos^{2}(x) = 1 - \sin^{2}(x)$ .

Given that $0 < \cos(x) < 1$ :

$\begin{aligned} &\cos(x) \\ &= \sqrt{1 - \sin^{2}(x)} \\ &= \sqrt{1 - \left(\frac{4}{5}\right)^{2}} \\ &= \sqrt{1 - \frac{16}{25}} \\ &= \frac{3}{5}\end{aligned}$ .

Hence, $\tan(x)$ would be:

$\begin{aligned}& \tan(x) \\ &= \frac{\sin(x)}{\cos(x)} \\ &= \frac{(4/5)}{(3/5)} \\ &= \frac{4}{3}\end{aligned}$ .

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2 years ago

Zarrin [17]

Answer:

Step-by-step explanation:

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3 years ago

PLEASE HELP I don’t know what I’m doing lol

Svetradugi [14.3K]

Answer:

I would say soild 2 because is has the most even ammount of the 4.

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2 years ago

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