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Musya8 [376]
3 years ago
9

What do I multiple to -1 1/7 to get 1

Mathematics
1 answer:
Setler79 [48]3 years ago
7 0

Answer:

-7/8

Step-by-step explanation:

-1 1/7 is in improper fraction form -8/7

-8/7x = 1

x = -7/8

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Find the critical value zα/2 that corresponds to a 98% confidence level.
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A critical value is the point on the scale of the test statistic (z test in this case) outside which we reject the null hypothesis, and is taken from the level of significance of the test. The critical values can be obtained from the standard distribution tables for z and for this case, it is equivalent to:

critical value zα/2 at 98% confidence level = 2.326

Answer: 2.326

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4 0
2 years ago
Chelsea shows her work in finding the solution to 4x−5=2+3(x−3). After checking her answer in the original equation, she found t
Ainat [17]

quita los paréntesis: 4x-5=2+3(x-3) multiplica paréntesis X3, elimina el paréntesis: 4x-5=2+3x-9 calcule: 4x-5= -7+3x mueve los términos y te quedará así: 4x-3x-5=-7

agrupe los términos semejantes: x=-7+5

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Step-by-step explanation:

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8 0
2 years ago
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My Notes A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 f
Sergio [31]

Answer:

6.667 ft/s

Step-by-step explanation:

Given

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This forms a similar triangle (see attachment below).

From similar triangles, we have

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15(y - x) = 6 * y

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while dy/dt represents rate of movement of his shadow tips

dy/dt = 5/3 * 4

dy/dt = 20/3 = 6.667 ft/s

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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What is the answer too 6+ 6
Dimas [21]

The answer is 12. Hope this helps!

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3 years ago
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