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hram777 [196]
3 years ago
11

What is the simplified expression for 5ab+9ab-ab

Mathematics
1 answer:
Ulleksa [173]3 years ago
3 0
The simplified expression is 13ab
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A system of equations is shown below. y = -5x - 2 y=3x - 4 What is the solution to the system of equations?​
marishachu [46]

Answer:

the answer is (x,y) (1/4 -13/4)

8 0
2 years ago
How could we find the diameter of a circle with an area of 78.5 in.^ 2 ?? (3.14 is used for )
iris [78.8K]

Answer:

I think it's A AND C. The diameter is just the radius multiplied by 2 at the end of the day.B is just wrong.

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2 years ago
Cual es el resultado de la operacion algebraica: 25x+12x+31x-8x+5x
Tema [17]

Answer:

65x

Step-by-step explanation:

Observe que estos son terminos similares... por lo que podemos simplemente sumarlos y restarlos. Entonces obtenemos:

25x + 12x + 31x - 8x + 5x

= 37x + 31x - 8x + 5x

= 68x - 8x + 5x

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7 0
3 years ago
In the figure below, lines 1 and 2 are parallel. Lines 3 and 4 are also parallel.
attashe74 [19]
I don’t see a diagram, but I assume that you must use these things.

Opposite interior angles. (Which are equal)
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Corresponding angles (which are equal)
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5 0
3 years ago
Trains Two trains, Train A and Train B. weigh a total of 196 tons. Train A is heavier than Train B. The
aleksklad [387]

Answer:

Train A = 128

Train B = 68

Step-by-step explanation:

We can set up a system of equations for this problem

Let A = # of tons of Train A

Let B = # of tons of Train B

A + B = 196

A = B + 60

Now, we plug in A for the first equation, using substitution

(B+60) + B = 196

2B + 60 = 196

Subtract 60 from both sides

2B = 136

Divide both sides by 2

B = 68

Plug in 68 for B in the 2nd equation

A = 68 + 60

A = 128

Checking work: 128 + 68 = 196 :D hope this helped

5 0
2 years ago
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