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Xelga [282]
4 years ago
10

Which attribute matches the given triangle? Column A Column B 1. isosceles triangle 2. obtuse triangle 3. equilateral triangle 4

. right triangle 5. scalene triangle A. must include a 90° angle B. has at least 2 equal sides C. has no equal sides D. must have an obtuse angle
Mathematics
1 answer:
polet [3.4K]4 years ago
6 0
Isosceles - Has at least two equal sides. (B)
Obtuse Triangle - Must have an obtuse angle. (D)
Equilateral Triangle - All sides should be equal. (Missing an answer?)
Right Triangle -Must include a 90 degree angle. (A)
Scalene Triangle - Has NO equal sides. (C)

Tell me if this helped.
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san4es73 [151]

Answer:

y = mx + b

Step-by-step explanation:

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4 years ago
In a sample of 408 new websites registered on the Internet, 37 were anonymous (i.e., they shielded their name and contact inform
xeze [42]

Answer: (0.0628,\ 0.1186)

Step-by-step explanation:

Given : Significance level : \alpha:1-0.95=0.05

Critical value : z_{\alpha/2}=\pm1.96

Sample size : n= 408

Proportion of new websites registered on the Internet were anonymous :

\hat{p}=\dfrac{37}{408}\approx0.0907

The formula to find the confidence interval for population proportion is given by :-

\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

i.e. 0.0907\pm (1.96)\sqrt{\dfrac{0.0907(1-0.0907)}{408}}

=0.0907\pm0.0278665515649\\\\\approx 0.0907\pm0.0279\\\\=(0.0907-0.0279,\ 0.0907+0.0279)\\\\=(0.0628,\ 0.1186)

Hence,  the 95 percent confidence interval for the proportion of all new websites that were anonymous = (0.0628,\ 0.1186)

8 0
3 years ago
Please Help!!!<br> Simplify 5^8 · 5^-4
Naya [18.7K]
When multiplying exponents with same base, you would add the numbers that the base is raised to. 8+(-4)=4. So the answer is 5^4, or 625.
5 0
4 years ago
Read 2 more answers
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