3 years ago

What are the subsets of (1, 5, 9)

Mathematics

2 answers:

Rudiy273 years ago

8 0

{1}, {5}, {9}, {1, 5}, {5, 9} {1, 9}, {1, 5, 9}
I think this is the answer, this is what I've been learning.

kipiarov [429]3 years ago

5 0

There are three elements in this sets so 2 cube=8

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During a musical an orchestra is playing. As the music plays, the volume changes in the beginning of the piece can be modeled by

Alja [10]

Answer:

The numbers of measure of music played are 1 and 7

Step-by-step explanation:

Given

$s = 10|x - 4| + 50$

Required

Solve for x when s = 80

Substitute 80 for x

$80 = 10|x - 4| + 50$

Subtract 50 from both sides

$80 - 50= 10|x - 4| + 50 - 50$

$30= 10|x - 4|$

Divide through by 10

$\frac{30}{10}= \frac{10|x - 4| }{10}$

$3= |x - 4|$

Reorder

$|x - 4| = 3$

This can be split into

$x - 4 = 3$ or $x - 4 = -3$

Solve for x

$x = 4 + 3$ or $x = 4 - 3$

$x = 7$ or $x = 1$

Hence:

<em>The numbers of measure of music played are 1 and 7</em>

4 0

3 years ago

What decimal number is represented by the shaded part

Anna11 [10]

Answer:

The decimal that represents the shaded portion of the figure is 0.75.

Step-by-step explanation:

4 0

3 years ago

Factor the expression completely. 9x+6

Kamila [148]

Answer:

3(3x+2)

Step-by-step explanation:

5 0

4 years ago

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Pleaseeeeeeeee answer if you do your the best at life!!!!!

jenyasd209 [6]

x+(-8)= -12

x-8= -12

x= -12+8

x=-4

-3 + x = 10

x=10+3

x=13

-2+x= -5

x=-5+2

x=-3

4 0

3 years ago

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Can someone please help me.

Natasha2012 [34]

Answer:10√2

Step-by-step explanation:

∆ABC is a right angle triangle

Angle A + Angle B + angle C = 180

There angel B = 180-135= 45

Angle A = Angle B

Therefore AC= BC=10

By Pythagoras ppt AB^2=10^2 +10^2

=100+100

=√200

=10√2

3 0

3 years ago

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