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yaroslaw [1]
3 years ago
7

In a bag, there are 2 red 4 blue 8 black and 2 yellow marbles. What is the probability of randomly selecting a blue marble

Mathematics
2 answers:
Assoli18 [71]3 years ago
5 0

Answer:

Step-by-step explanation:

4/(2+4+8+2) = 4/16 = 1/4

pentagon [3]3 years ago
4 0

Answer:

1/4

Step-by-step explanation:

4 blue

16 marbles in all

4 over 16 is 1/4

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defon

The expression that can be used to approximate the expression below islog_a x = \frac{log_{b}a}{log_{b}x}

  • Given the logarithmic function expressed as log_a x, we need the log expression that is equivalent to the given expression.

  • To do this, we will write the logarithm as a quotient to the same base. Using the base of 10, the expression can be written as;

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This is similar to the option c where the base of "b" was used as log_a x = \frac{log_{b}a}{log_{b}x}

Learn more on law of logarithms here: brainly.com/question/11587706

3 0
2 years ago
The mechanic charges $90 for a vehicle inspection plus an additional $35 per hour. If the mechanic works for 8 hours, what will
kvasek [131]

Answer:

$370

Step-by-step explanation:

You already have 90 dollars so we can put that to the side for right now

If you're charged $35 at an hourly rate for 8 hours then you have to multiply the two together

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Now is when your $90 dollars comes in. Now just add the two together and you'll end up with your final answer

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6 0
3 years ago
If one of the roots of the equation x² – 4x + k = 0 exceeds the other by 2, then find the roots and determine the value of k.
Verizon [17]

Step-by-step explanation:

the solutions for a quadratic equation is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 1

b = -4

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x1 = 2 + sqrt(4 - k)

x2 = 2 - sqrt (4 - k)

x1 = 2 + x2

2 + sqrt(4 - k) = 2 + 2 - sqrt(4 - k)

2×sqrt(4 - k) = 2

sqrt(4 - k) = 1

4 - k = 1

k = 4 - 1 = 3

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3 0
2 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Simplify: 8x -10x + x
scoray [572]

Answer:

9

Step-by-step explanation:

3 0
3 years ago
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