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dmitriy555 [2]
4 years ago
13

20) -5(1 - 5x) +5(-8x - 2) = -4x – 8x

Mathematics
1 answer:
Alchen [17]4 years ago
5 0

Answer:

x = -5

Step-by-step explanation:

-5(1 - 5x) +5(-8x - 2) = -4x – 8x

First lets simplify each side of the equation.

-5+25x-40x-10 = -4x-8x

Combine like terms

-15x-15=-12x

Add 15x to both sides (addition property of equality)

-15=3x

Divide each side by 3 (division property of equality)

x=-5

The answer is x = -5

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Choose all of the following angles that cannot
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Answer:

Step-by-step explanation:

Answer:

Solution:

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3 years ago
Tangerine trees yield 50 pounds of fruit per acre and grapefruit trees yield 75 pounds of fruit per acre. Sheila's orchard produ
Annette [7]
<span>Tangerine trees yield 50 pounds of fruit per acre.
</span>
Grapefruit trees yield 75 pounds of fruit per acre.

Let the number of <span>acres of tangerine = x
</span>
And <span>the number of acres of </span>grapefruit = y
The total produced <span>of fruit = 1,500
</span>
The equation which represents the total fruits of tangerine and <span>grapefruit is:
</span>
<span>   50 x + 75 y = 1500 →→(1)</span>

Now, to answer the given question, Is it possible for Sheila to have 15 acres of tangerine trees and 10 acres of grapefruit trees?
∴ x = 15  and  y = 10
By substitution in (1) with x and y
∴ 50 * 15 + 75 * 10 = 750 + 750 = 1500
Which is agree with the total produced from Sheila's orchard.

So, the answer is :
Yes, it is <span>possible for Sheila to have 15 acres of tangerine trees and 10 acres of grapefruit trees.</span>




8 0
3 years ago
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