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notsponge [240]
3 years ago
6

If set A = {1, 2, 3, 4}, how many subsets does A have?

Mathematics
2 answers:
Dmitrij [34]3 years ago
6 0

Answer:

A) 8

Step-by-step explanation:

jasenka [17]3 years ago
3 0

Answer:

I'm pretty sure the answer is A.  Sorry if i'm wrong :3

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Which shows the correct simplification of product of powers?
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The power symbols are missing.

I can infere that the product intended to simplify is (7^8) * (7^-4)., because that permits you to use the rule of the product of powers with the same base.

That rule is that the product of two powers with the same base is the base raised to the sum of the powers is:

(A^m) * (A^n) = A^ (m+n)

=>(7^8) * (7^-4) =  7^ [8 + (- 4) ] = 7^ [8 - 4] = 7^4, which is the option 3 if the powers are placed correctly.
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4 years ago
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uysha [10]

Answer:

Step-by-step explanation:

As it is a second order equation, it means that it has two possible answers and they are x_1 and x_2.

The famous quadratic formula for solving any second order equation is the following:

x_{1} = \frac{-b + \sqrt{b^2 - 4 ac}}{2a}\\x_{2}=\frac{-b - \sqrt{b^2 - 4 ac}}{2a}

Where a is the coefficient of x^2, b is the coefficient of x, and c is the free term. In other words,

a = 3\\b=4\\c=-2

as the equation should be in the following form:

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Therefore the possible answer should be the following,

\frac{-4 + \sqrt{4^2 - 4*3*(-2)}}{2*3}=\frac{-4 +\sqrt{16 + 24}}{6} =\frac{-4 + \sqrt{40}}{6}=\\ \frac{-4 + \sqrt{4*10}}{6} = \frac{-4 + 2\sqrt{10}}{6}\frac{2*(-2 + \sqrt{10})}{2*3} = \frac{-2 + \sqrt{10}}{3}

by dividing the numerator and denominator by 2, we can deduce the following,

6 0
2 years ago
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Step-by-step explanation:

The absolute value is the distance from 0 five and negative 5 are both the same distance from zero

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A farmer is building a grain silo for storage. he estimates that will need 256 cubic yards of storage. the grain silo will be sh
Vlad1618 [11]
Check the picture below.

keeping in mind that a cube is just a rectangular prism with all equal sides.

7 0
3 years ago
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