2 years ago

in rhombus ABCD, diagonals AC and BD meet at point E. If the measure of angle DAB is 46 find the length of EB

1 answer:

3 0

Obtuse witch is 1.50 degrees and you can barley measure the veryex

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Lelechka [254]

Answer:

The degrees of freedom for this sample are 27.

The sample size to get a margin of error equal or less than 0.3656 is n=4450.

Step-by-step explanation:

The degrees of freedom for calculating the value of t are:

$df=n-1=28-1=27$

With 27 degrees of freedom and 95% confidence level, from a table we can get that the t-value is t=2.052.

The sample size to get a margin of error equal or less than 0.3656 can be calculated as:

$MOE=t\cdot s/\sqrt{n}\\\\n=\left(\dfrac{t\cdot s}{MOE}\right)^2=\left(\dfrac{2.052\cdot 11.8841}{0.3656}\right)^2=66.7^2\\\\\\n=4449.13\approx4450$

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2 years ago

Mariulka [41]

Answer:

Plot y=5x-3

Step-by-step explanation:

6 0

2 years ago

tester [92]

Answer:

2n-8

Step-by-step explanation:

twice n is 2n. decreased by 8 is the -8

5 0

2 years ago

pav-90 [236]

around 2/5 a jar of marbles

7 0

2 years ago

Nadusha1986 [10]

4x = 20 min
7x = y min

x = 20 / 4
x = 5 min

7*5 = 35 min

3 0

2 years ago