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2 years ago

Is that a perfect square

Mathematics

2 answers:

madam [21]2 years ago

8 0

Answer:

is what a perfect square?

Step-by-step explanation:

there is no pic attached

chubhunter [2.5K]2 years ago

5 0

Answer:

im gonna go with yes

Step-by-step explanation:

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The prices of three t-shirts styles are $24, $30 and $36. the probability of choosing a $24 t-shirt is 1/6. the probability of c

Slav-nsk [51]

$\text{Answer} : \text{The expected value of a t-shirt is \$31.}$

Explanation:

Since we have given that

The prices of three t-shirts styles i.e $24, $30, $36 with their probability is given by

$\frac{1}{6}, \frac{1}{2},\frac{1}{3}$

As we know that,

$E(X)= \sum_{1}^{3}x_iP(x_i)$

$\text{where} x_i \text{ is the prices of t- shirts styles}$

Now,

$x_1= \$24 , x_2=\$30 , x_3=$36$

and

$P(x_1)=\frac{1}{6},P(x_2)=\frac{1}{2}, P(x_3)=\frac{1}{3}$

So,

$E(X)= 24\times \frac{1}{6}+30\times\frac{1}{2}+36\times \frac{1}{3}\\=4+15+12\\=31$

So, the expected value of a t-shirt = $31.

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3 years ago

Why are there so many bots on here?

Temka [501]

Answer:

Not sure, It's getting kinda annoying ngl

Step-by-step explanation:

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2 years ago

The volume of a rectangular box can be found using the formula lwh where l represents the length, w represents the width, and h

Dafna1 [17]

Answer:

120 cm^3

Step-by-step explanation:

volume = lwh

I = 4 centimeters

w = 5 centimeters

h = 6 centimeters

volume = (4 cm)(5 cm)(6 cm)

volume = 120 cm^3

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2 years ago

What is an atom? and what is the difference of atom and molecule

Anettt [7]

Answer: An atom is the basic unit of matter and the defining structure of elements. The difference between an atom and a molecule is that molecules are formed when two or more atoms bond together. If molecules contain atoms of different elements, that substance is known as a compound. Atoms make up molecules.

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2 years ago

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a rectangular prism and its dimensions are shown in the drawing .What us the total surface area of the rectangular prism in Squa

Xelga [282]

Answer:

Superficie de un prisma rectangular fórmula

Área de un prisma rectangular = 2la + 2ah + 2lh.

Step-by-step explanation:

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2 years ago