2 years ago

HELP PLEASE ASAP I will mark brainliest if you explain

Mathematics

1 answer:

scoray [572]2 years ago

3 0

Answer:

y - 5, (x, y) - (0,5)

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The price to ship a box varies directly as the weight of the box in pounds. A box that weighs 10 pounds costs $10.90 to ship.

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Well we can say 10.90/10 = the cost per pound to ship the item
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3 years ago

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Alexeev081 [22]

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3 years ago

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triangle ABC is isosceles, angle B is vertex angle , AB = 20x -2, AC =25x, and BC =12 x +20. Find x and the length of each side

lisov135 [29]

Length of AB = 18. 92

Length of AC = 26. 15

Length of BC = 32. 552

<h3>How to determine the sides of the triangle</h3>

Using the Pythagorean theorem, we have that

$(20 x-2)^2 = (12x + 20)^2 + (25x)^2$

Expand the bracket

$400x^2- 4 = 144x^2 + 400 + 625x^2$

Collect like terms

$400x^2 - 144x^2 - 625x^2 = 400 + 4$

$-369x^2 = 404$

Make x^2 subject

$x^2 = \frac{404}{369}$

$x = \sqrt{1.0948}$

$x = 1. 046$

Thus,

Length of AB = 20x -2 = 20(1. 046) - 2 = 18. 92

Length of AC = 25x = 25* 1.046 = 26. 15

Length of BC = 12x + 20 = 12(1. 046) + 20 = 32. 552

Learn more about isosceles triangles here:

brainly.com/question/1475130

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1 year ago

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Step-by-step explanation:

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After the party, Jane washed half of the glasses. Alex washed half of the remaining glasses, and then Sasha Alex washed half of

andreyandreev [35.5K]

Answer:

Step-by-step explanation:

Let's take a look.

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3 years ago