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makkiz [27]
3 years ago
10

Can two triangles be non congruent but have one pair of congruent sides and two pairs of congruent angles? Explain.

Mathematics
1 answer:
zzz [600]3 years ago
6 0

Answer:

B

They have two angles and one side, that's AAS or SAS

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What are the coordinate ofB'? after a translation of (x,y-6
stich3 [128]
You’re B’ coordinate would be (3,-2) the way I got this was x is zero so x would not move left nor right. The only way you would go is down because you have a negative six so you would move down 6 spaces
6 0
3 years ago
Franchise Business Review stated over 50% of all food franchises earn a profit of less than $50,000 a year. In a sample of 130 c
nydimaria [60]

Answer:

We need a sample size of 564.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

\pi = \frac{81}{130} = 0.6231

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

Based upon a 95% confidence interval with a desired margin of error of .04, determine a sample size for restaurants that earn less than $50,000 last year.

We need a sample size of n

n is found when M = 0.04

So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.04 = 1.96\sqrt{\frac{0.6231*0.3769}{n}}

0.04\sqrt{n} = 1.96\sqrt{0.6231*0.3769}

\sqrt{n} = \frac{1.96\sqrt{0.6231*0.3769}}{0.04}

(\sqrt{n})^{2} = (\frac{1.96\sqrt{0.6231*0.3769}}{0.04})^{2}

n = 563.8

Rounding up

We need a sample size of 564.

4 0
3 years ago
Given two points (-3,-8) and (2,7)
MaRussiya [10]

Answer:

M=3

Step-by-step explanation:

Use the slope formula

❤️❤️❤️❤️❤️❤️Hope This Helps❤️❤️❤️❤️❤️❤️

6 0
3 years ago
180 = −9d + 9 d = I need to find what d is
omeli [17]

Answer:

-19

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help, please I need a mathswatch answer this is from the mathswatch website
torisob [31]

Answer:

158.76

Step-by-step explanation:

11.7*15.6=182.52

182.52/2=91.26

Area of BCD=91.26

7.5*18=135

135/2=67.5

Area of BAD=67.5

Altogether:

91.26+67.5=158.76

4 0
3 years ago
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