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zubka84 [21]
3 years ago
7

Sam draws a quadrilateral. It has one pair of parallel sides. What figure did Sam draw? Please Show Your Work

Mathematics
1 answer:
AleksAgata [21]3 years ago
6 0
I am sorry but I might not be able to show my work. But the answer is a trapezoid. This is what I did. I looked through my geometry angles, lines and shapes flash cards and saw the trapezoid. It only has one pair of parrelell sides. ( in a regular one it would be the top and bottom) and it has four sides so it is a quadrilateral. And so the answer is a trapezoid. I hope this helped you!
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Write a conditional statement that is false but has a true inverse fast please
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If two angles are not complementary, then their angles add up to 180 degrees.

Step-by-step explanation:

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Does taking ginkgo tablets (i.e., and extract from a tree species) twice a day provide significant improvement in mental perform
Dmitriy789 [7]

Answer:

D. These results do not provide good statistical evidence that taking ginkgo tablets twice a day provides some improvement in mental performance. If 200 tests are being performed at the 5% significance level, some are bound to show statistically significant results, even if the treatment does not have any effect. It is premature to draw statistical conclusions from this study in which the percentage of significant tests is about 5%.

Step-by-step explanation:

It is not right to just made a conclusive argument on a large population by considering the outcome of the analysis made on a sample of the population. In addition, based on the number of tests conducted with about 5% significance level, it is clear that this can not be used to draw the necessary conclusion.

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Suppose the contact rate for a phone survey is 78% and that 22% of people will participate in that survey. Assume that agreeing
Gnoma [55]
Remember that, for independent events, the probability that both occurr is the product of the individual probabilities.

a) Probability of being contacted: 78% = 0.78

Probaility of refusing: 1 - 22% = 1 -0.22 = 0.78

Combined probability: 0.78*0.78 = 0.6084

b) The probability of failing to contact or making contact and not geeting them to agree 1 - the probability of contacting and getting them to agree.

The probabilityof contacting and getting them to agree is 0.78*0.22 = 0.1716

The the answer to this question is 1 - 0.1716 = 0.8284


 
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Answer:

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Step-by-step explanation:

the shaded area is width of 2 2/10 or 20/100

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Answer:

Step-by-step explanation:

True

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