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4 years ago

13

Identify the sampling technique used: A lobbyist for a major airspace firm assigns a number to each legislator and then uses a c

omputer to randomly generate ten numbers. The lobbyist contacts the legislators corresponding to these numbers.

1 answer:

user100 [1]4 years ago

8 0

Answer: can u explain it more plz

Step-by-step explanation:

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Find the missing side lengths

sesenic [268]

Answer:

$\sin(45) = \frac{o}{h} \\ 0.7 = \frac{x}{18 \sqrt{2} } \\ 0.7 \times 18 \sqrt{2} = x \\ 0.7 \times 25.45 = x \\ 17.8 = x$

${x}^{2} + {y}^{2} =( 18 \sqrt{2} ) ^{2} \\ {17.8}^{2} + {y}^{2} = 648 \\ 316.84 + {y}^{2} = 648 \\ {y}^{2} = 648 - 316.84 \\ {y}^{2} = 331.16 \\ y = 18.19$

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3 years ago

What is 10/4 as a mixed number

soldier1979 [14.2K]

2 2/4 is the mixed number then reduced to 2 1/2

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4 years ago

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In XYZ, XY=14, YZ=22, and XZ=28. What is the measure of angle Z to the nearest degree? *Law of Cosines

Liula [17]

Solution

Draw the diagram

So using cosine rule

$\begin{gathered} z^2=x^2+y^2-2xycosZ \\ \\ cosZ=\frac{x^2+y^2-z^2}{2xy} \\ \\ cosZ=\frac{22^2+28^2-14^2}{2(22)(28)} \\ \\ cosZ=\frac{67}{77} \\ \\ Z=30\degree\text{ \lparen to the nearest degree\rparen} \end{gathered}$

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1 year ago

andre picked three times as many apples as marie.jane picked two times as many as andre the total weight of the apples were 840.

liraira [26]

Marie= X
andre= 3X
Jane=6X
840= X + 3X + 6X
840= 10x
Marie=84
andre=252
Jane=504

3 0

3 years ago

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PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((

anastassius [24]

Answer:

In decimal form it is 0.125, which is a terminating decimal. The fraction 29/200 is 0.145 as a decimal, which is another terminating decimal. 51.202211 is also a terminating decimal because the number ends after the last 1. Terminating decimals can also repeat, but they must still have an end, such as 0.4545.

Step-by-step explanation:

Hope this <em><u>Helped!</u></em> :D

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4 years ago

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