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3 years ago

10

Which is the slope of the line represented by the equation y=-1/2x+1/4?

2 answers:

Ghella [55]3 years ago

8 0

Answer: -1/2

Step-by-step explanation:

Zina [86]3 years ago

4 0

The answer for this is -1/2

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FOR 15 POINTS Determine whether each given value of h makes the inequality 4h + 13 ≤ −7 true. Select Yes or No for each value.

Norma-Jean [14]

Answer:

Yes, no, yes

Step-by-step explanation:

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How to solve<br> ([120-2+(46-15)+2]-(9+4)

NNADVOKAT [17]

Answer:138

Step-by-step explanation:

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3 years ago

In right triangle KLM, KL =14 and angle L=30° and angle M=90°. Find KM. Leave your answer in the simplest radical form.

salantis [7]

Answer:

KM = 7 Units

Step-by-step explanation:

In the given structure ΔKLM

∠KLM = 30° and side KL = 14 and ∠KML = 90°

and we have to find the measurement of KM.

From right angle triangle KLM

Side Sin30° = KM/KL = KM/14

KM = 14×sin30° = 14×1/2 = 7

So the answer is KM = 7 Units

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3 years ago

From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is

Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

The sample size n = 49

The sample mean $\overline x$ = 56

The formula for calculating the standard error can be expressed as:

$S.E = \dfrac{\sigma}{\sqrt{n}}$

$S.E = \dfrac{14}{\sqrt{49}}$

$S.E = \dfrac{14}{7}$

S.E = 2

Therefore, the standard error of the mean = 2

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3 years ago

River C is 500 miles longer than River D. If the sum of their lengths is 5,560 miles, what is the length of each river?

AleksAgata [21]

Answer:

River D: 2780 River C: 2280

Step-by-step explanation:

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