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Viefleur [7K]
3 years ago
12

State whether the equation is true, false, or an open sentence.

Mathematics
1 answer:
Rudik [331]3 years ago
7 0
Your answer will be C. false
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-0.5 ≤ m/10<br><br>Will mark brainiest :)<br><br>Solve the inequality!
Serggg [28]

Answer:

m>=-5

Step-by-step explanation:

-0.5<=m/10

m>=-0.5(10)

m>=-5

7 0
3 years ago
Which of the following demonstrates the correct first step in copying a segment?
olganol [36]

Answer: option A

Step-by-step explanation:

Create another line that intersects the segment

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8 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
2 years ago
Taylor planned to walk her dog for 7/8 of a mile. Her dog stopped every 1/8 of a mile to sniff around. How often did they end up
serg [7]

Answer:

7 times

Step-by-step explanation:

8 0
3 years ago
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12. The original price of a stove was $480. Its price has since increased by $30. The stove is
Zigmanuir [339]

Answer:

A. $459

Step-by-step explanation:

8 0
3 years ago
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