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Gnoma [55]
3 years ago
7

Solve for x: (x + 50) over 2 = 13x A x = 2 B x = 5 C x = 9 D x = 13

Mathematics
2 answers:
andriy [413]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Given

\frac{x+50}{2} = 13x

Multiply both sides by 2 to clear the fraction on the left side

x + 50 = 26x ( subtract x from both sides )

50 = 25x ( divide both sides by 25 )

2 = x ⇒ x = 2 → A

attashe74 [19]3 years ago
5 0

Answer: A

Step-by-step explanation:

this would be equal to (x+50)/2 = 13x

so x/2 + 25 = 13x

combine like terms

25 = 25x/2

x = 2

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O enunciado está meio mal formulado, pois é dito que foram prescritos 500mg de dipirona e é essa quantidade de farmaco que a criança tem que tomar. Deseja-se saber quantos mL deverao ser administrados.

Fazendo a classica regra de 3, podemos chegar no volume desejado:

(atentar que 500mg = 0,5g)

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Answer:

384 cm²

Step-by-step explanation:

The shape of the figure given in the question above is simply a combined shape of parallelogram and rectangle.

To obtain the area of the figure, we shall determine the area of the parallelogram and rectangle. This can be obtained as follow:

For parallelogram:

Height (H) = 7.5 cm

Base (B) = 24 cm

Area of parallelogram (A₁) =?

A₁ = B × H

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For rectangle:

Length (L) = 24 cm

Width (W) = 8.5 cm

Area of rectangle (A₂) =?

A₂ = L × W

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