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3 years ago

What else would need to be congruent to show that abc def by aas

Mathematics

2 answers:

Kipish [7]3 years ago

7 0

The answer is A=D apex

Brut [27]3 years ago

3 0

Answer:

your answer is c

Step-by-step explanation:

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What is y = 2 x - 2

dalvyx [7]

Answer:

Step-by-step explanation:

0=2X-2

-2X=-2

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3 years ago

The volume of a cube is 8000 cubic feet, what is the area of one of its faces?

eimsori [14]

Since a cube is l x w x h, find the length of one side first:

∛8,000 = 20

The length of one side is 20 feet. This can represented as "s".

To find the area of one of the faces, use s²:

20² or 20 x 20 = 400

The area of one face is 400 ft²!

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3 years ago

Challenge A large university accepts 40% of the students who apply. Of the students the university

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3 years ago

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How to divide a given ratio into a given amount

jonny [76]

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3 years ago

Suppose the FAA weighed a random sample of 20 airline passengers during the summer and found their weights to have a sample mean

Orlov [11]

Answer:

Step-by-step explanation:

Given Parameters

Mean, $x$ = 180

total samples, n = 20

Standard dev, $\sigma$ = 30

$\alpha$ = 1 - 0.95 = 0.05 at 95% confidence level

Df = n - 1 = 20 - 1 = 19

Critical Value, $t_\alpha$ , is given by

$t_{c}=t_{\alpha, df} = t_{0.05,19} = 1.729$

a).

Confidence Interval, $\mu$ , is given by the formula

$\mu = x +/- t_c \times \frac{s}{\sqrt{n} }$

$\mu = 180 +/- 1.729 \times \frac{30}{\sqrt{20} }$

$\mu = 180 +/-11.5985$

$191.5985 > \mu > 168.4015$

b).

Critical Value, $t_{\alpha/2}$ , is given by

$t_{c}=t_{\alpha/2, df} = t_{0.05/2,19} = 2.093$

Confidence Interval, $\mu$ , is given by

$\mu = x +/- t_c \times \frac{s}{\sqrt{n} }$

$\mu = 180 +/- 2.093 \times \frac{30}{\sqrt{20} }$

= 180 +/- 14.0403

= 165.9597 < $\mu$ < 194.0403

8 0

3 years ago