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3 years ago

How do you tell a triangle is not a right triangle

2 answers:

7 0

You can tell when you cant draw an even L shaped figure at the intersects of the bottom and the side. 90 degrees. But there are many different ways that may make more sense. Happy to help:)

Alex3 years ago

5 0

Hi! :)

So a right triangle is classified as a right triangle because it has one right angle. You can tell if it's not a right triangle by the angle measurements. If all the angles are above or below 90 degrees, it's not a right triangle. If one of the angles is 90 degrees, it's classified as a right triangle.

Hope this helps!

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The per capita electric power consumption level in a recent year in Ecuador is normally distributed, with a mean of 471.5 kilo-w

Olin [163]

Answer:

a) 471.5 kilo-watt hours.

b) 31.76 kilo-watt hours

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the population:

Mean 471.5 kilo-watt hours.

Standard deviation of 187.9 kilowatt-hours.

For the sample:

Sample size of 35, by the Central Limit Theorem:

a) Mean

471.5 kilo-watt hours.

b) Standard deviation

$s = \frac{187.9}{\sqrt{35}} = 31.76$

31.76 kilo-watt hours

7 0

3 years ago

Sports Feet is having a sale on the Rebound basketball shoe. The shoe comes in four different colors (black, red, white, or gold

koban [17]

8 different styles
4x2=8
If you want to answer future questions like this then you multiply the numbers of the items.

8 0

3 years ago

Please show an explanation

Ber [7]

Answer:

You should go to algebraic calculator. its amazing

Step-by-step explanation:

brainliest?

4 0

3 years ago

Statement Reason m∠1 + m∠2 = 180° Angles 1 and 2 are supplementary angles. m∠2 + m∠3 = 180° Angles 2 and 3 are supplementary ang

mel-nik [20]

Angle 1 is congruent with angle3.

Good luck!!!

8 0

3 years ago

I’m trying to get this math test done, can I please have some help?

Sati [7]

Answer: B

Step-by-step explanation:

If you use slope-intercept form, you can see that B uses the equation y = 5x - 4, and you can also see that it is linear since it is proportional. The only coordinate plane that has a nonlinear line is D.

5 0

2 years ago