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2 years ago

Solve x please explain

Mathematics

2 answers:

Anna [14]2 years ago

8 0

Answer:

x = 4

Step-by-step explanation:

co interior angles add up to 180.

this means that: 48 + 34x - 4 = 180

thus 48 + 34x = 184

therefore, 34x = 136

so, x = 4.

igomit [66]2 years ago

6 0

<h2>Angle Relationships</h2>

The two angles labeled in the given diagram are interior angles on the same side of the transversal. They can also be called interior supplementary angles.

These angles have a sum of 180 degrees.

<h2>Solving the Question</h2>

The two angles given have measures of 48 degrees and (34x-4) degrees.

They have a sum of 180 degrees.

Form an equation:

$48+(34x-4)=180\\48+34x-4=180\\44+34x=180\\34x=180-44\\34x=136\\x=4$

<h2>Answer</h2>

$x=4$

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Answer:

2.28% probability that a person selected at random will have an IQ of 110 or higher

Step-by-step explanation:

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

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:

$\mu = 100, \sigma = 5$

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This is 1 subtracted by the pvalue of Z when X = 110. So

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

$Z = \frac{110 - 100}{5}$

$Z = 2$

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2.28% probability that a person selected at random will have an IQ of 110 or higher

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3 years ago

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<u>Answer</u><u>:</u>

Hope you could understand.

If you have any query, feel free to ask.

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2 years ago

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3 years ago

A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 41 specimens and counts the number of

e-lub [12.9K]

Answer:

(53.3; 56.1)

Step-by-step explanation:

Given that:

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Standard deviation, s = 5.3

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Confidence interval :

Xbar ± Margin of error

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Margin of Error = 1.645 * 5.3/sqrt(41)

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3 years ago