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Alex Ar [27]
3 years ago
8

Is y=2x+5 a example of a proportional realationship

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
7 0
No it's as n example of a equality
mixer [17]3 years ago
4 0
No it is not a proportional relationship. If you remember y=mx+b, and your equation is y=2x+5. If the equation has a "b", in this case your B is 5, it is non-proportional.
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5x^(-2)-17x^(-1)+6<br> i’m so confused pls help<br> will give brainliest
laila [671]

It's a quadratic equation in disguise. If you let y=x^{-1}, then y^2=x^{-2}, and we can rewrite the equation as

5y^2-17y+6=0

Solve for y however you like; we get y=\dfrac25 and y=3.

But we want to solve for x, so we have

y=x^{-1}=\dfrac25\implies x=\dfrac52

y=x^{-1}=3\implies x=\dfrac13

5 0
3 years ago
Your sister can get $30 per day, d, for selling clothes at the market. But she has to pay $60 at first for renting a stand. You
Alex

Answer:

6 days

Step-by-step explanation:

pay 60 = -60

Let d = the number of days

30d - 60 = sister

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Equation:

30d - 60 = 20d                    Move 30 to the other side

-30d          -30d

-60 = 20d - 30d                    Combine liked terms

-60 = -10d                                

-10     -10                                Divide

d = 6

5 0
3 years ago
Using the distributive property to factorize the equation 3x^2+24x=0, you get ​
Natalka [10]

Answer:

Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
Expand the expression using the distributive property. 2(5x – 3)​
riadik2000 [5.3K]

Answer:

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Step-by-step explanation:

4 0
2 years ago
-2.5(x-4)=-3+4 <br> What is the solution to the equation
gavmur [86]

thank me the answer is x=3.6

6 0
3 years ago
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