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Rudik [331]
3 years ago
11

In 1945​, an organization asked 1490 randomly sampled American​ citizens, "Do you think we can develop a way to protect ourselve

s from atomic bombs in case others tried to use them against​ us?" with 770 responding yes. Did a majority of the citizens feel the country could develop a way to protect itself from atomic bombs in 1945​? Use the alpha equals 0.05 level of significance.
Mathematics
1 answer:
Schach [20]3 years ago
6 0

Answer:

1490/2= 745=50%  770>745 so  your answer is yes

Step-by-step explanation:

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iVinArrow [24]

Answer:

see below

Step-by-step explanation:

x-y=0

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6 0
2 years ago
How do I find x here?
sdas [7]
When lines cross each other in a triangle from a point to the mid point of the opposite side as shown, AV  is 2 times as long as VF

To solve for X we would have AV = 2*VF

The equation becomes:

3x+6 = 2(x+6)
 
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3x+6 = 2(x+6)

Distribute the 2 on the right side:

3x + 6 = 2x +12

Subtract 2x from each side:

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Subtract 6 from each side:

x = 6


 Now if you needed to solve the length of AV or VF, you replace x with 6 and solve.




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3 years ago
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Wich is the first step in simplifying the expression 2(x+3)+5
34kurt
Mult 2 by x you'll get 2x then 2 by 3 you'll get 6 and add 6 to 5, after that you'll get 11 it should look like this 2x+11.
7 0
3 years ago
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Atriangle was translated 4 units down.
loris [4]

Answer:

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The answer is (x,y) = (x+7) (y-6)

Hope this helps!!!?

7 0
3 years ago
Read 2 more answers
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