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4 years ago

A stem and leaf plot can help analyze change over time. If false, explain why.

Mathematics

2 answers:

EastWind [94]4 years ago

6 0

I would say false because a stem and leaf plot is more useful for seeing distribution of data, or finding the mode

umka21 [38]4 years ago

5 0

its not false the leaf and pot always help no matter the problem.

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Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

BaLLatris [955]

Answer:

The area of the shape is $27 \pi\ units^{2}$

Step-by-step explanation:

we know that

The area of the shape is the area of a three quarter of circle

The area of a three quarter of circle is equal to

$A=\frac{3}{4}\pi r^{2}$

we have

$r=6\ units$

substitute

$A=\frac{3}{4}\pi (6^{2})=27 \pi\ units^{2}$

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3 years ago

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Maksim231197 [3]

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3 years ago

ATM personal identification number (PIN) codes typically consist of four-digit sequences of numbers. Find the probability that i

oksian1 [2.3K]

Answer:

(a) 0.0001 or 0.01%

(b) 0.01 or 1%

Step-by-step explanation:

Since there are 10 possible numeric digits (from 0 to 9), and there is only one correct digit, there is a 1 in 10 change of getting each digit right.

The probability that if you forget your PIN, then you can guess the correct sequence

(a) at random:

$P=(\frac{1}{10})^4=0.0001=0.01\%$

(b) when you recall the first two digits.

$P=(\frac{1}{10})^2=0.01=1\%$

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3 years ago

Quadrilaterals are similar if their corresponding sides are proportional. true or false

lara [203]

Answer:

The given statement is true.

Step-by-step explanation:

Quadrilaterals are similar if their corresponding sides are proportional.

This statement is true.

Quadrilaterals are similar when

a) corresponding angles are equal

b) the corresponding sides are proportional i,e the ratios of corresponding sides are equal

So, the given statement is true.

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3 years ago

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3 years ago