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rosijanka [135]
3 years ago
15

Which side lengths form a right triangle?

Mathematics
2 answers:
Ainat [17]3 years ago
8 0

Answer:

B and C

Step-by-step explanation:

Side lengths of 4, 8, and 12 do not form a right triangle. According to the Pythagorean Theorem, a² + b² = c². In this theorem, "c²" represents the largest side (c) squared

kakasveta [241]3 years ago
7 0

Answer:

C) 2,2,2.82842712

Step-by-step explanation:

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A student solved a quadratic equation as shown here:
djverab [1.8K]

Answer:

x = 3/2 or x = -4

Step-by-step explanation:

The identifiable error the students have is that before the left hand side of the equation is factorized, the right hand side value of 12 ought to be brought to the left hand side, leaving a net value of zero on the right hand side. Then whatever is factored  on the left hand side is then equated to zero and then we can find the two values of x after setting each of the individual factors to zero

We proceed as follows;

2x^{2} + 5x = 12\\2x^{2} + 5x - 12 = 0\\2x^{2} + 8x -3x -12 = 0\\2x(x+4) -3(x+4) = 0\\(2x-3)(x+4) = 0\\2x-3 = 0 or x+4 =0\\2x=3 or x=-4\\x = 3/2 or x= -4\\x = 1.5 or- 4

6 0
3 years ago
I need help is it A B C or D hopefully the pic uploaded
larisa86 [58]
I think the awswer should d
3 0
3 years ago
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What is the value of Y ??​
lilavasa [31]

Answer:

but where is the diagram

Step-by-step explanation:

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4 0
2 years ago
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AYUDAAAAAAAAAAAA Un numero es 40% mas que el otro número, si la suma de 2 números es 84 busca los 2 números.
lions [1.4K]

Answer:

Si el número es x, entonces 1.4x + x = 84,

Entonces 2.4x = 84 yx = 84 / 2.4 = 840/24 = 35.

El otro número es 84-35 = 49

Step-by-step explanation:

Espero que te ayudo

Dejame saber : )

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3 years ago
I need help on this page
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Because it is a question asking for ppl playing either soccer OR basketball, we add the two fractions together. Thus, Part A becomes 3/10 + 4/10, which is 7/10 (since the denominators are the same, you only add the numerators).
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