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tangare [24]
3 years ago
13

Given NPLM SEFGH, find the values of x and y.

Mathematics
1 answer:
bagirrra123 [75]3 years ago
6 0

Answer:57

Step-by-step explanation: Because I don’t know

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Help!Tytytytytyyttytttyyy
sladkih [1.3K]

Answer:

the answer is 42 because your dividing 7 by 9

Step-by-step explanation:

3 0
3 years ago
The U.S. Energy Information Administration claimed that U.S. residential customers used an average of 10,608 kilowatt hours (kWh
Marat540 [252]

Answer:

The calculated value Z = 1.4460 < 1.96 at 0.05 level of significance.

The null hypothesis is accepted

A local power company believes that residents in their area use more electricity on average than EIA's reported average

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the mean of the Population = 10,608 kWh of electricity this year.

Given that the size of the sample n = 187

Given that mean of sample x⁻ = 10737 kWh

The Standard deviation of the Population = 1220kWh

Level of significance = 0.05

The critical value (Z₀.₀₅)= 1.96

<u><em>Step(ii):-</em></u>

Null Hypothesis: H₀:μ > 10608 kWh

Alternative Hypothesis: H₁: μ < 10608kWh

Test statistic

                 Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }

                Z = \frac{10737- 10608 }{\frac{1220}{\sqrt{187} } }

                Z = 1.4460

<u>Final answer:-</u>

The calculated value Z = 1.4460 < 1.96 at 0.05 level of significance.

The null hypothesis is accepted

A local power company believes that residents in their area use more electricity on average than EIA's reported average.

3 0
3 years ago
Shape 1 is similar to shape 2
melamori03 [73]

Yes it is, and don't worry, I hate school too! Amazing username!

8 0
3 years ago
PLZ HELP WILL NAME BRIANLIEST
Kamila [148]

Answer:

SORRY IF IM WRONG BUT I THINK ITS C

Step-by-step explanation:

PLEASE MARK BRAINLIEST REMOVE MY ANSWER IF WRONG!!!!!!!!

3 0
3 years ago
The graph of a quadratic function with vertex (3, 1) is shown in the figure below. Find the domain and the range. Write your ans
Snezhnost [94]

Answer:

<u>There is no restriction to domain:</u>

  • x = (-∞, +∞)

<u>The range is to vertex coordinate of 1:</u>

  • y = [1, +∞)
4 0
3 years ago
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