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nignag [31]
3 years ago
9

I need help in algebra

Mathematics
2 answers:
mash [69]3 years ago
4 0

Answer: No

Step-by-step explanation:

Because there is more than one 3 in the following ordered pair. If you make this a table it will be easier.

SVETLANKA909090 [29]3 years ago
4 0

Answer:

No

Step-by-step explanation:

It would be yes only if the output (y-value) has values one time.

There are double 2s in the output so therefore your answer would be no

Hope this helps!

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20% of what number is 80?<br><br><br> I need the right answer, this is my last shot of passing.
LekaFEV [45]
100%/x%=80/20 (100/x)*x=(80/20)*x - we multiply both sides of the equation by x 100=4*x - we divide both sides of the equation by (4) to get x 100/4=x 25=x x=25
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Find the quotient 7.4 ÷ 2647.72 *<br> 3578<br> 358<br> 357.8<br> 35.78
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Step-by-step explanation:

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2 years ago
What is the fill in the blank answers?
Olenka [21]
Think first is Distributive Property
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4 0
2 years ago
Help <br> Solve the following equations, and show/explain your work: 2x+4=18 and 25+3x=15.
nignag [31]

Answer:

2x+4=18

2x=18-4

2x=14

x=14/2

x=7

25+3x=15

3x=15-25

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7 0
1 year ago
Evaluate the function f(x)=x^2+2x+3 at the given values of the independent variable and simplivy
tatyana61 [14]

Answer: i) f(-9)= 66

ii) f(x+1)=x^2+4x+6.

iii) f(-x)=x^2-2x+3

Step-by-step explanation:

The given function : f(x)=x^2+2x+3.

i) For f(-9) , the independent variable is x= -9.

Put x= -9 in given function , we get

f(-9)=(-9)^2+2(-9)+3

=81-18+3=66

Thus ,  f(-9)= 66

ii) For f(x+1) , the independent variable is x= x+1.

Replace x  by x+1 in given function , we get

f(x+1)=(x+1)^2+2(x+1)+3.

=(x^2+1+2x)+2x+2+3  [\because\ (a+b)^2=(a^2+b^2+2ab)]

=x^2+1+2x+2x+5

=x^2+4x+6

Thus ,  f(x+1)=x^2+4x+6.

iii)For f(-x) ,  the independent variable is x=-x.

Replace x  by -x in given function , we get

f(-x)=(-x)^2+2(-x)+3.

=x^2-2x+3  [∵ (+)(-)=(-)]

Thus , f(-x)=x^2-2x+3

8 0
3 years ago
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