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irina [24]
3 years ago
6

ASAP Need this answer, would appreciate it.

Mathematics
1 answer:
hichkok12 [17]3 years ago
8 0

Answer:

Let's begin by explaining the following:

The magnitude of any number (a charge in this particular case) is the distance this number has from 0 on the number line.

Now, since according physics<u> a distance can never be negative</u>, the magnitude of a number will always be positive. This means the magnitude of these given charges will always be positive, no matter if they are negative, positive or neutral.

Having this clarified, let's answer:

Element A has a charge of +5 and its magnitude is +5

Element B has a charge of -3 and its magnitude is +3

Element C has a charge of 10 and its magnitude is +10

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Solution is 4/3 or 1.3
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Use the relationship between the side lengths and the angles opposite those sides. What are the smallest and largest angles of △
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Let us take a random triangle we call \Delta LMN for a better understanding of the solution provided here.

A diagram of the \Delta LMN is attached here.

The rule to be applied here is the relationship between the side lengths of a triangle and the angles opposite those sides. This relationship states that:

In a triangle, the shortest side is always opposite the smallest interior angle and the longest side is always opposite the largest interior angle.

Let us verify this using the diagram attached.

As per the diagram, the smallest interior angle is \angle L and the side opposite to it, MN=24 has the smallest side just as the relationship had suggested.

Likewise, the largest interior angle is \angle N=108^0 and the side opposite to it, LM=45.7 is the longest side just as the relationship had suggested.

This rule/relationship can be applied to any triangle in question.

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4 years ago
In establishing warranties on HDTV sets, the manufacturer wants to set the limits so that few will need repair at the manufactur
Novosadov [1.4K]

Answer:

If the warranty limits are at 41.12 months, only 10 percent of the HDTVs need repairs at the manufacturer's expense.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

For a new HDTV the mean number of months until repairs are needed is 36.84 with a standard deviation of 3.34 months. This means that \mu = 36.84, \sigma = 3.34.

Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?

This is the value of X when Z has a pvalue of 0.90.

Looking at the z-table, we get that this is between Z = 1.28 and Z = 1.29, so we use Z = 1.285.

Z = \frac{X - \mu}{\sigma}

1.28 = \frac{X - 36.84}{3.34}

X - 36.84 = 1.28*3.34

X = 41.12

If the warranty limits are at 41.12 months, only 10 percent of the HDTVs need repairs at the manufacturer's expense.

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Answer:

3,4,55 by-step explanation:

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