3 years ago

Cole's rectangular garden has

Mathematics

1 answer:

k0ka [10]3 years ago

3 0

The dimensions could be either 2 x 27, 6 x 9,

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Vikentia [17]

B) would be tha answer :)

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To which set of numbers does -1/4 belong to?

inna [77]

Real numbers and rational numbers

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3 years ago

P divided by 28 = -26

juin [17]

The answer is p= -728

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3 years ago

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A teacher claims that the proportion of students expected to pass an exam is greater than 80%. To test this claim, the teacher a

erica [24]

Answer:

z=-1.591

Step-by-step explanation:

Null Hypotheses,

$H_0 : p=0.8\\H_a: p>0.80$

So we use z-test for one population proportion (right-tailed test)

According to this informaton, we defined that

$\alpha=0.05$

$z_c=1.64$ (critical value)

So our Rejection region is $R={z:z>1.64}$

$z=\frac{\bar{p}-p_0}{\sqrt{p_0(1-p_0)/n}} = \frac{0.755-0.8}{\sqrt{0.8(1-0.8)/200}}=-1.591$

Not rejection.

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3 years ago

2. Belinda sells furniture at the Fantasy Furniture

SpyIntel [72]

Answer:

$679.4

Step-by-step explanation:

commision: $249.4

earnings: $430

$249.4 + $430 = $679.4

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2 years ago