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LenKa [72]
2 years ago
15

What is the answer?

Mathematics
1 answer:
sertanlavr [38]2 years ago
7 0

Answer:

A. P(3/4)

Step-by-step explanation:

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b : $0.22 on edg.

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9.1 x 10-31 kg.
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1 electron has a mass of 9.1 X 10-31 kg. How many electrons n does it take to make 1 kg?

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So, n = 1.10 X 1030 electrons

Each electron has a charge of 1.6 X 10-19 C, where C stands for Coulombs. So, the n electrons have a charge of q = ne = (1.10 X 1030 electrons) X (1.6 X 10-19 C/electron) = 1.76 X 1011 C.
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3 years ago
Consider the quadratic equation x2 + 2x - 35 = 0. Solve by factoring and using the zero-product property.
Morgarella [4.7K]

Answer:

x = -7

x = 5

Step-by-step explanation:

The standard form of quadratic equations is

Ax^2 + Bx + C = 0

The factors need to multiply together to be C and add together to be B.

The two numbers that will multiply together to be -35 and add together to be 2 are -5 & 7.

The factor pairs are (x+7)(x-5). Zero product property means we set each of those factor pairs = 0 and solve.

x + 7 = 0

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x = -7

x - 5 = 0

+5 +5 Add 5 to each side to solve

x = 5

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1 year ago
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