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nekit [7.7K]
3 years ago
5

Do the sides 9, 12 and 15 make a right triangle?

Mathematics
2 answers:
Fynjy0 [20]3 years ago
6 0

Answer:

YES

Step-by-step explanation:

because they are all different lengths  

mixer [17]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

because in order for a triangle to exist, the sum of the 2 smaller sides must be greater than the third side

in this case: 9+12 is greater than 15, so yes it would.

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Where does a hole occur in the graph of y = x(x+2) / x(x-3)
Morgarella [4.7K]

Answer:

A

Step-by-step explanation:

Given

y = \frac{x(x+2)}{x(x-3)} ← cancel x on numerator/ denominator

 = \frac{x+2}{x-3}

Cancelling the factor x, leaves a hole in the graph at x = 0

7 0
3 years ago
staci has seven more cats than Talyor. write an expression that illustrates how many cats staci has. use x to represent the numb
belka [17]
X = 7 + staci  since 7 more cats added to x is stacis amount
7 0
3 years ago
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An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are norma
Komok [63]

Using the normal distribution, it is found that 0.0329 = 3.29% of the population are considered to be potential leaders.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

  • It 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, which is the percentile of X.

In this problem:

  • The mean is of 550, hence \mu = 550.
  • The standard deviation is of 125, hence \sigma = 125.

The proportion of the population considered to be potential leaders is <u>1 subtracted by the p-value of Z when X = 780</u>, hence:

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

Z = \frac{780 - 550}{125}

Z = 1.84

Z = 1.84 has a p-value of 0.9671.

1 - 0.9671 = 0.0329

0.0329 = 3.29% of the population are considered to be potential leaders.

To learn more about the normal distribution, you can take a look at brainly.com/question/24663213

8 0
2 years ago
Find the equation of the exponential function that passes through the points (- 1, 1/6) and (1, 2/3) and Use the form y = c * a
icang [17]

Answer:

  • y = 1/3*2^x

Step-by-step explanation:

<u>Given function</u>

  • y = c*a^x

The points (-1, 1/6) and (1, 2/3) lie on the graph

<u>Substitute the values of x and y to get the system of equations:</u>

  • 1/6 = c*a^(-1) ⇒ 1/6 = c/a ⇒ a = 6c
  • 2/3 = c*a^1 ⇒ 2/3 = ac

<u>Substitute a and solve for c:</u>

  • 2/3 = 6c*c
  • 1/9 = c²
  • c = √1/9
  • c = 1/3

<u>Find a:</u>

  • a = 6c = 6*1/3 = 2

<u>The equation of the function:</u>

  • y = 1/3*2^x

8 0
3 years ago
GIVING OUT BRAINLIEST ANSWER !! HELP ME OUT PLSS!!
Karo-lina-s [1.5K]

Answer:

x = 7 hope this helps !!!

Step-by-step explanation:

Type 1: You know the short leg (the side across from the 30-degree angle). Double its length to find the hypotenuse. You can multiply the short side by the square root of 3 to find the long leg.

Type 2: You know the hypotenuse. Divide the hypotenuse by 2 to find the short side. Multiply this answer by the square root of 3 to find the long leg.

Type 3: You know the long leg (the side across from the 60-degree angle). Divide this side by the square root of 3 to find the short side. Double that figure to find the hypotenuse.

this is a type 3 triangle, and you can find the length of y from it, it being 14, and x is half of y, being 7

4 0
3 years ago
Read 2 more answers
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