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diamong [38]
3 years ago
6

Classify the triangle by it's angles and sides. Explain how you knew which classification to use.

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0
That would be a scalene because none of the sides are congruent (the same size)
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In 9 and 10, order the decimals from greatest to least. 9. 878.403, 887.304,887.043 ​
Katena32 [7]

Answer:

Greatest to least: 887.304, 887.043, 878.403

Step-by-step explanation:

7 0
2 years ago
What is the value of X in the isosceles trapezoid below?
valina [46]
Solve using your rules:

180 = 9x + 4x + 37

That means 143 = 13x

Thus x = 11
8 0
3 years ago
Let f(x)= x^2-6x+1<br><br> Are the last two correct?
liubo4ka [24]

Answer:

Yes, the last 2 are indeed correct :)

Step-by-step explanation:

Good job.

4 0
3 years ago
An economist is interested in studying the spending habits of consumers in a particular region. The population standard deviatio
Lena [83]

Answer:

The  width is  w = \$ 729.7

Step-by-step explanation:

From the question we are told that

   The population standard deviation is  \sigma =  \% 1,000

    The  sample size is  n  = 50

    The sample mean  is  \= x  =  \$ 15,000

Given that the confidence level is  99% then the level of significance is mathematically represented as  

               \alpha  =  100 - 99

=>            \alpha  =  1\%

=>             \alpha  = 0.01

Next we obtain the critical value of  \frac{\alpha }{2} from the normal distribution table, the value is

             Z_{\frac{\alpha }{2} } = Z_{\frac{0.01 }{2} } =  2.58

Generally margin of error is mathematically represented as

             E =  Z_{\frac{\alpha }{2} *  \frac{\sigma }{\sqrt{n} }

substituting values

              E = 2.58 *  \frac{1000 }{\sqrt{50} }

              E = 2.58 *  \frac{1000 }{\sqrt{50} }

               E = 364.9

The width of the 99% confidence interval is mathematically evaluated as

         w = 2 * E

substituting values

          w = 2 * 364.9

          w = \$ 729.7

5 0
2 years ago
What is (3x-4)^2 in expanded form
34kurt
(3x-4)(3x-4) is the answer because when something is squared, it's just multiplying itself by itself, this also applies to expressions.
7 0
3 years ago
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