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3 years ago

NEED ANSWERS ASAP PLZZZ

Mathematics

2 answers:

Sergio039 [100]3 years ago

7 0

19 is 1:3 2:8 4:6 5:7
18 is I think... 2:4 1:7 3:5 8:6

n200080 [17]3 years ago

7 0

Answer:

alt exterior, 6 and 2

5 and 1

alt interior, 7 and 3

4 and 8

same side interior, 7 and 8

4 and 3

corresponding 5 and 3, 6 and 8, 7 and 1, 4 and 2

congruent 6=4 5=7 3=1 2=8 5=7

suplamentery 6 and 5

7 and 4

8 and 3

1a and 2

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amm1812

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3 years ago

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2 years ago

In a sample of 1000 randomly, selected consumers who had opportunities to send in a rebate claim form after purchasing a product

Alexxx [7]

Answer: $=(0.2232,0.2768)$

Step-by-step explanation:

The confidence interval for population proportion is given by :-

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

Given : Sample size : $n=1000$

The proportion of people selected consumers who had opportunities to send in a rebate claim form after purchasing a product said they never did so = $\dfrac{250}{1000}=0.25$

Significance level : $1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

Now, the 95% confidence Interval for the true proportion of such consumers who never apply for a rebate will be :-

$0.25\ \pm (1.96)\sqrt{\dfrac{0.25(1-0.25)}{1000}}\\\\\approx0.25\pm0.0268\\\\=(0.2232,\ 0.2768)$

Hence, a confidence Interval for the true proportion of such consumers who never apply for a rebate .

8 0

2 years ago

The coordinates of the vertices of quadrilateral ABCD are A(-5, 1), B(-2,5), C(5, 3),

sladkih [1.3K]

Step-by-step explanation:

To calculate a slope, we need to apply: $m=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

Applying formula to each slope:

$m_{AB}=\frac{5-1}{-2-(-5)} = \frac{4}{3} \\m_{BC}=\frac{3-5}{5-(-2)} =\frac{-2}{7}\\m_{CD}=\frac{-1-3}{2-5}=\frac{-4}{-3} =\frac{4}{3}$

So, as you can see, there are equal pair of slopes, meaning that they are parallels, which<em> demonstrate that it's actually a quadrilateral figure.</em>

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3 years ago

Read 2 more answers

there are 32 pets at pet store .there are 3 times as many mammals as reptiles in store.. how many reptiles are there at the pat

mr_godi [17]

Well i would do this 32*3=96 but not sure.

7 0

2 years ago

NEED ANSWERS ASAP PLZZZ​

NEED ANSWERS ASAP PLZZZ