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nalin [4]
3 years ago
5

Let A (1, 3, 5, 7}, B (5, 6, 7, 8}, C (5, 8} D {2, 5, 8}, and U 1, 2, 3, 4, 5, 6, 7, 8}. Determine whether the statement shown b

elow is true or false. If it is false, then give the reason. A#(7, 5, 3, 1 A. False; A has different elements than those listed. B. False; the elements in A are in a different order. C. False; the elements in A are the same as those listed D. True
Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Answer:

True

Step-by-step explanation:

Given are some sets A, B, C, D and Universal set U.

We have

A={1,3,5,7}

When we change the order of elements of A in any manner also the set A' thus obtained will be equal to A only

Hence here A' = {7,5,3,1}=A

This is because whenever we take any element x in A this belongs to A'

Hence A⊂A'

Similarly any element y in A' also belongs to A

So A⊂A'

Together we haveA=A'

Option d true

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Answer:

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Multiply through by 2

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You're welcome

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3 years ago
The seventh grade class is raising money to have a class trip at the end of the year. They began the year with $2,500. Now they
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Step-by-step explanation:

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3 years ago
4x + 5y = 10
Vika [28.1K]

Answer:

For A = 32/5 and B = 8 the system of equations will have infinitely many solutions.

Step-by-step explanation:

Given equations are:

4x + 5y = 10

Ax + By = 16

The general form of linear equation in two variables is given by:

ax+by = c

Here a, b and c are constants and x,y are variables.

In the given equations, after comparing with the general form

a_1 = 4\\b_1 = 5 \\c_1 = 10\\a_2 = A\\b_2 =B\\c_2 = 16

"In order for a system of equations to have infinity many solutions,

\frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} "

Putting the values we get

\frac{4}{A} = \frac{5}{B} = \frac{10}{16}\\\frac{4}{A} = \frac{5}{B} = \frac{5}{8}\\Now\\\frac{4}{A} = \frac{5}{8}\\\frac{A}{4} = \frac{8}{5}\\A = \frac{8}{5} * 4\\A = \frac{32}{5}\\And\\\frac{5}{B} = \frac{5}{8}\\\frac{B}{5} = \frac{8}{5}\\B = 8

Hence,

For A = 32/5 and B = 8 the system of equations will have infinitely many solutions.

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Step-by-step explanation:

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Answer:

Use the zeroes to determine the roots.

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Substitute the leading coefficient into the polynomial function for a and simplify.

Step-by-step explanation:

6 0
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