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klio [65]
3 years ago
5

Use common denominators to determine whether the ratios form a proportion.

Mathematics
2 answers:
AVprozaik [17]3 years ago
8 0

Answer:

No they do not

Step-by-step explanation:

AURORKA [14]3 years ago
7 0
They are not in proportion, since its 6:9 round it down (2:3) so pretend the 6 are apples and the 9 are oranges

Every 2 apples there are 3 oranges

So having 9 apples what is that?

2 x ? = 9

2 x 4.5 = 9

So if you want to keep 2:3 you have you times the oranges by 4.5 aswell!

3 x 4.5 = 13.5

So since it is 9:12 not 9:13.5 they are not in proportion
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Which of these relations is a function
Serggg [28]
Second one ...... i hope it’s right
8 0
3 years ago
Rewrite the expression x^3+10x^2+13x+39/x^2+2x+1 in the form of q(x)+r(x)/b(x)
natima [27]

\dfrac{x^3+10x^2+13x+39}{x^2+2x+1}

x^3=x\cdot x^2, and x(x^2+2x+1)=x^3+2x^2+x. Subtracting this from the numerator gives a remainder of

(x^3+10x^2+13x+39)-(x^3+2x^2+x)=8x^2+12x+39

8x^2=8\cdot x^2, and 8(x^2+2x+1)=8x^2+16x+8. Subtracting this from the previous remainder gives a new remainder of

(8x^2+12x+39)-(8x^2+16x+8)=-4x+31

-84x is not a multiple of x^2, so we're done. Then

\dfrac{x^3+10x^2+13x+39}{x^2+2x+1}=x+8+\dfrac{-4x+31}{x^2+2x+1}

4 0
3 years ago
Solve the system of equations algebraically. Verify your answer using the graph.
nirvana33 [79]
Both of those equations are solved for y.  So if the first one is equal to y and the second one is equal to y, then the transitive property says that the first one is equal to the second one.  We set them equal to each other and solve for x.  4x-5=-3 and 4x = 2.  That means that x = 1/2.  We were already told that y = -3, so the coordinates for the solution to that system are (1/2, -3), B from above.
6 0
3 years ago
Read 2 more answers
A student has started a lawn care business. He charges $15 per hour to mow lawns and $20 per hour for gardening. Because he is s
Bess [88]

Answer:

:)

Step-by-step explanation:

15x=300

x will equal 20

20x=300

x will equal 15

8 0
3 years ago
4.5/18 = x/100 <br> What is x?
USPshnik [31]
Answer:
x=25

Explanation:
Using the method of cross multiplication and division set up like so,
(100•4.5)/18 will give you 25.
4.5•100=450
450/18=25
5 0
3 years ago
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