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2 years ago

WHO WANTS TO JOIN MY REMIND??? the code is DallasTX14 (ik ik, its weird lol)

Mathematics

2 answers:

Ghella [55]2 years ago

4 0

I MIGHT JOIN JUST NOT NOW

Step-by-step explanation:

gotta do hw >:(

also how old are you cuz im 13 and don't wanna talk to an old man

andrezito [222]2 years ago

3 0

Answer: i joined wt f is this im so confused

should i stay in it orl eave

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Clark Kent walks 3 miles west and then 4 miles north. How far is it for Superman to fly in a straight line back to his starting

KonstantinChe [14]

It would be 5 miles if the triangle was a right angle

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3 years ago

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a stock broker has kept a daily record of the value of a particular stock over the years and finds that the prices of the stock

Rainbow [258]

Answer:

The stock price beyond which 0.05 of the distribution fall is $12.44.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions 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.

Mean of $8.52 with a standard deviation of $2.38

This means that $\mu = 8.52, \sigma = 2.38$

The stock price beyond which 0.05 of the distribution fall is

This is the 100 - 5 = 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

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

$1.645 = \frac{X - 8.52}{2.38}$

$X - 8.52 = 1.645*2.38$

$X = 12.44$

The stock price beyond which 0.05 of the distribution fall is $12.44.

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3 years ago

Which is a true statement about an exterior angle of a triangle?

Anuta_ua [19.1K]

Solution:

we have been asked to find the true statement about the exterior angle from the given statements.

As we know that the exterior angles are always out of the triangle and it makes a sum of 180 with anyone of the internal angle of the triangle.

The pair lies on the same straight line and makes a pair.

Hence we can say that it is formed by a linear pair with one of the interior angles of the triangle.

Hence the correct option is D.

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3 years ago

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IF S.P. = Rs 1,869, loss percent = 11% find C.P.

Veseljchak [2.6K]

Here,

Selling Price (S.P) = Rs 1869

Loss = 11%

Cost Price (C.P) = ?

Let, C.P be x

Now,

Sp = Cp - loss% of Cp

1869 = x - 11/100*x

1869 = (100x - 11x)/100

186900 = 89x

◆ x = Rs 2100

Cp = Rs 2100

I hope you understand...

It's a Right answer...

Thanks♥♥

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2 years ago

If ∠ABE = 100° and ∠EDC = 100°, are the two triangles, ΔABE and ΔEDC similar? If so, by what criterion?

Arturiano [62]

Answer:

No, not possible to tell that the two triangles, ΔABE and ΔEDC are similar

Step-by-step explanation:

Similarity criterion:

1. AAA similarity : two triangles are similar if all three angles in the first

triangle equal the corresponding angle in the second triangle

2. AA similarity : If two angles of one triangle are equal to the corresponding angles of the other triangle, then the two triangles are similar.

3. SSS similarity : If the corresponding sides of the two triangles are

proportional, then the two triangles are similar.

4. SAS similarity : In two triangles, if two sets of corresponding sides

are proportional and the included angles are equal then the two

triangles are similar.

Now in the two triangles ABE and EDC :

∠ABE = 100°

∠EDC = 100°

∠ABE = ∠EDC

But only one congruent angle does not not prove that the two triangles are similar.

Hence, NOTHING CAN BE SAID ABOUT THE nature of the triangle.

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2 years ago

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