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rosijanka [135]
3 years ago
14

Which expression is equivalent to

Mathematics
1 answer:
iogann1982 [59]3 years ago
5 0

Answer:

d)    \frac{13 - 5x}{2x -8}    

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given expression

                               \frac{\frac{3}{x-2}-5 }{2-\frac{4}{x-2}  }

we will do L.C.M  both numerator term and denominator term

                     ⇒    \frac{\frac{3-5(x-2)}{x-2} }{\frac{2(x-2)-4}{x-2}  }

on simplification , we get

                 

                ⇒    \frac{\frac{13-5x}{x-2} }{\frac{2x-8}{x-2}  }

cancellation 'x-2'

we will get

          \frac{13 - 5x}{2x -8}    

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For every quarter he spends, Reggie receives 50 food pebbles to feed the fish. Reggie has thrown 350 food pebbles into the fish
deff fn [24]

Answer:

7 quarters are spent for throwing 350 food pebbles in pond.

Step-by-step explanation:

Given:

Reggie receives 50 food pebbles for every quarter he spends.

Number of food pebbles he has = 350

Let the number of quarters spent for 350 pebbles be 'x'.

Now, using proportion and cross multiplication method, we can find 'x'.

<u><em>1 quarter is equivalent to 50 pebbles thrown in pond.</em></u>

<u><em>So, 'x' quarters is equivalent to 350 pebbles thrown in pond.</em></u>

\frac{1}{50}=\frac{x}{350}\\\\Cross\ multiplying\\\\50x=350\\\\x=\frac{350}{50}\\\\x=7

So, 7 quarters are spent for throwing 350 food pebbles in pond.

6 0
3 years ago
How many solutions does the system have? Y=-2x-4 y=3x+3
Fudgin [204]

Answer:

1

Step-by-step explanation:

Since they are not parallel nor the same line, they have 1 intersecting point, which is the solution.

If they were parallel, they would have no solution.

If they were the same line, they would have infinite solutions.

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4 years ago
Resuelve el siguiente problema aplicando las estrategias de solución de problemas.
scoundrel [369]
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On a factory floor, 65 out of every 140 toy robots is defective. What percent of the toy robots are defective? Round your answer
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Answer:

65/140

as a percentage is 46.43

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Step-by-step explanation:

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3 years ago
How do you get an addition problem that equals -3
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