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Stells [14]
2 years ago
9

PLEASE HELPPLEASEEEEEE

Mathematics
1 answer:
son4ous [18]2 years ago
6 0

Answer:

yes they are

Step-by-step explanation:

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".

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The average speed of a train that travels x in 3/4 hour
creativ13 [48]

-------
Ans: (x/(3/4)) mph = (4x/3)mph = (4/3)x mph
------------------------
5 0
3 years ago
Answer these true or false questions:
stepan [7]
Sometimes it helps to put a number line in front of you. If one number is to the left of the other number on the number line, it's a lower number. If one number is to the right of the other number on the number line, it is greater.

-5 -4 -3 -2 -1 0 1 2 3 4 5

4 is a solution of x<-5
FALSE: 4 is not greater than -5


-3 is a solution of y>-2
FALSE: -3 is not greater than -2


y≤3 includes 3 as a possible solution
TRUE: 3 is less than OR EQUAL to 3


Hope this helps! :)
4 0
3 years ago
Perform the following operations and prove closure. Show your work.<br><br> (x/x+3) + (x+2/x+5)
Westkost [7]

Answer:

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

Step-by-step explanation:

We need to sum the following two expressions:

\frac{x}{x+3} + \frac{x+2}{x+5}

\frac{x(x+5) + (x+2)(x+3)}{(x+3)(x+5)}

expanding the polynomial in the numerator:

\frac{2x^{2} + 10x + 6}{(x+3)(x+5)}

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

This is the most simplified form we can get:

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

8 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points (4, -4) and<br> (-4,-4)?
aalyn [17]

Answer:

y=-4

Step-by-step explanation:

i think its right

4 0
4 years ago
jorge needs a string that is 4 feet long .so far his string is 44 inches. is it long enough or dose he need to make it longer
Romashka-Z-Leto [24]

Answer:

longer

Step-by-step explanation:

12 inches is a foot so you need to multiply 12 by 4 which gives you 48 so he needs 4 more inches to have enough string

5 0
3 years ago
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