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3 years ago

Consider the two dot plots below.

Mathematics

1 answer:

Ann [662]3 years ago

7 0

Answer:

the answer is D: the median of both the dot plot A and B is the same

Step-by-step explanation:

median is the middle value; after arranging the data in ascending or descending order...the mean of the two values is an even # of values

The median of dot plot A and median of dot plot B is 5; so therefore, the pots A and B are the same.

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Which of the following is equivalent to the expression below?

vladimir1956 [14]

Answer:

2i√5

Step-by-step explanation:

√-20 = √-1 × √20

√-1 = i

√20 = 2√5

i × 2√5 = 2i√5

5 0

3 years ago

Simply using exponents 4^2 / 3^6

Juliette [100K]

Answer:45.5625

Step-by-step explanation:4 x 4= 16 and 3 x 3 x 3 x 3 x 3 x 3= 729

16/729

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3 years ago

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160 is what % of the sum of 100 and 120 and 160

marissa [1.9K]

Answer:

42% I think

Step-by-step explanation:

The total was 380 so divide 160 by 380 (160÷380) and you get .42 or 42%

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4 years ago

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prove the following identity: sec x csc x(tan x + cot x) = 2+tan^2 x + cot^2 x please provide a proof in some shape form or fash

wolverine [178]

Answer:

Step-by-step explanation:

Hello,

Is this equality true ?

sec x csc x(tan x + cot x) = 2+tan^2 x + cot^2 x

1. let 's estimate the left part of the equation

$sec(x)csc(x)(tan(x) + cot(x)) =\dfrac{1}{cos(x)sin(x)}*(\dfrac{sin(x)}{cos(x)}+\dfrac{cos(x)}{sin(x)})\\\\=\dfrac{1}{cos(x)sin(x)}*(\dfrac{sin^2(x)+cos^2(x)}{sin(x)cos(x)})\\\\=\dfrac{1}{cos(x)sin(x)}*(\dfrac{1}{sin(x)cos(x)})\\\\\\=\dfrac{1}{cos^2(x)sin^2(x)}$

1. let 's estimate the right part of the equation

$2+tan^2(x) + cot^2(x)=2+\dfrac{sin^2(x)}{cos^2(x)}+\dfrac{cos^2(x)}{sin^2(x)}\\\\=\dfrac{2cos^2(x)sin^2(x)+cos^4(x)+sin^4(x)}{cos^2(x)sin^2(x)}\\\\=\dfrac{(cos^2(x)+sin^2(x))^2}{cos^2(x)sin^2(x)}\\\\=\dfrac{1^2}{cos^2(x)sin^2(x)}\\\\=\dfrac{1}{cos^2(x)sin^2(x)}$

This is the same expression

sec x csc x(tan x + cot x) = 2+tan^2 x + cot^2 x

hope this helps

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3 years ago

Rearrange the equation below to solve for y. 6x+6y= 24

alexandr1967 [171]

Answer:

y = -x + 4

Step-by-step explanation:

Step 1: Use the subtraction property of equality

6y = -6x + 24

Step 2: Use the division property of equality

y = -x + 4

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3 years ago

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