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-Dominant- [34]
3 years ago
14

The number of subsets Of {5, 20, 0, 7}

Mathematics
1 answer:
atroni [7]3 years ago
3 0

Answer:

16

Step-by-step explanation:

(  ) ,(5),(20),(0),(7),(5,7),(5,20,(5,0),(20,0),(20,7),( 0,7)     (5,20,0),(5,20,7),(20,0,7),    , (5,0,7) , (5 ,20,0 ,7)

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What would the answer for this question be
777dan777 [17]

Answer:

A

Step-by-step explanation:

The only one you can eliminate on sight is C. You are going to get an x^3 somewhere along the line.

You can eliminate D on sight as well. The x^3 term is 12x^3 not 7x^3

Doesn't leave much does it?

(3x + 2)(4x^2 - 2x - 7)

3x: 12x^3 - 6x^2 - 21x

2 :              8x^2 - 4x   - 14

=======================     Add

     12x^3 + 2x^2 - 25x - 14

Answer: A

3 0
4 years ago
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I need help with this math question. The question and answers are in the picture.
zvonat [6]

Answer: f(x)=x^2+2x+1 and g(x)=-x^2+1 ==> 1st option

Step-by-step explanation:

Both are quadratic equations: -x^2 or x^2

Blue graph: x^2 since it's facing up

f(x)=(x-b)^2

Vertex: When x=-1, y=0 ==> 0=(-1+b)^2

0=-1+b

b=1

f(x)=(x+1)^2

f(x)=(x+1)(x+1)

f(x)=x^2+x+x+1

f(x)=x^2+2x+1

Red graph: -x^2 since it's facing down

g(x)=-x^2+b

Vertex: When x=0, y=1 ==> 1=(0)^2+b

1=0+b

b=1

g(x)=-x^2+1

f(x)=x^2+2x+1 and g(x)=-x^2+1 ==> 1st option

8 0
1 year ago
Hey Guys, I was wondering if you could help What are the constants in this expression: 6x-8+4y+5 out of these choices: 6, 4 6x,
GuDViN [60]

Given:

The expression is

6x-8+4y+5

To find:

The constants in the given expression.

Solution:

Terms can be a number, variable and product of both. these are separated by "+" sign.

Variables terms:  These terms contains at least one variable.

Constant terms:  These terms are free from the variables. it means there are no variable.

We have,

6x-8+4y+5

In this expression, the terms are 6x, -8, 4y, 5, variable terms are 6x, 4y and constant terms are -8, 5.

Therefore, the last option is correct, i.e., -8, 5.

5 0
3 years ago
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ohaa [14]

Answer:

x= 22.5

Step-by-step explanation:

\frac{9}{x}  =  \frac{6}{15 }  \\ 6x = 135 \\ x = 22.5

4 0
3 years ago
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in a game, what card would you need to draw to get a score of 0 if you have a (-16), (-35), and 18 in your hand?
m_a_m_a [10]

Answer:

why the negitives

Step-by-step explanation:

in in secod grad

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