2 years ago

Given that ABC ~ EFG, if FG = 7.6 what is the length of BC ?

1 answer:

7 0

You didn't include the picture (triangle BAC and triangle FEG. First image.)

The answer I got is 5.7

My work is written out in the second image

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A group of 60 students were asked if they played field hockey, basketball or soccer. The diagram below displays the results ñ. W

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2 years ago

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1,3,5 are congruent.

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1 year ago

Solve the system of equations:

PolarNik [594]

Answer:

D.(-1,-5) and (5,7)

Step-by-step explanation:

I used a graphing tool to graph the two equations together. When graphed, the equations intercept (5,7) and (-1,-5). Therefore, they are the solutions to the system.

Option D should be the correct answer.

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3 years ago

The mean annual income for adult women in one city is $28,520 and the standard deviation of the incomes is $5600. The distributi

pshichka [43]

Answer:

$E(\bar{x}) = 28520$

Standard error of mean = 689

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $28,520

Standard Deviation, σ = $5600

Mean of sampling distribution =

$E(\bar{x}) = \mu = 28520$

As per Central Limit Theorem, if the sample size is large enough, then the sampling distribution of the sample means follow approximately a normal distribution.

Sample size, n = 66

Since the sample size is large, we can use normal distribution for approximation.

Standard error of mean =

$\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{5600}{\sqrt{66}} = 689.31 \approx 689$

7 0

2 years ago

7 is what percent of 8

11Alexandr11 [23.1K]

Answer:

87.5%

Step-by-step explanation:

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2 years ago