3 years ago

Help please i’ll rate you brainliest

Mathematics

2 answers:

lara [203]3 years ago

6 0

Answer:

all sides same length and 4 right angles and 4 sides

Step-by-step explanation:

nikdorinn [45]3 years ago

5 0

The correct answers are•

*all sides are the same length.
*4 sides.

hope this helps!

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What is the value of x + 3y + z if x = 4, y = 5, and z= 22<br>a) 16<br>b) 41<br>c) 2

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Answer:

OPTION B - 41

Step-by-step explanation:

An expression is given and the corresponding values for the expression are also given. We have to substitute the given values to arrive at the answer.

The given expression is: x + 3y + z.

Also given: x = 4, y = 5, z = 22.

Substitute these values in the above expression, we get:

4 + 3(5) + 22 = 4 + 15 + 22 = 41.

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A rare book was purchased for $200 and then it was sold for $400. What percent increase was that

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2 years ago

Suppose 40% of the students in a university are baseball players. If a sample of 781 students is selected, what is the probabili

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Answer:

$P(p>0.43) = 0.0436$

Step-by-step explanation:

Given

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$n = 781$ --- selected sample

Required

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First, calculate the z score using:

$Z = \frac{\^{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

This gives:

$Z = \frac{48\%-40\%}{\sqrt{\frac{40\% *(1 - 40\%)}{781}}}$

Convert % to decimal

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$Z = \frac{0.03}{0.01752992669}$

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