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wel
3 years ago
6

A marble is selected at random from a jar containing 4 red marbles, 2 yellow marbles, and 3 green marbles.

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
7 0

Answer:

4 / 9  probability of getting a red

Step-by-step explanation:

How many marbles are there total?

4 red + 2 yellow + 3 green = 9 marbles total

P( red marble) = 4 red / 9 total = 4/9

Sophie [7]3 years ago
5 0

Answer:

Step-by-step explanation:

Red marbles- 4

Yellow marbles-2

Green marbles-3

Total marbles=9

Probability= 4/9

=0.4444

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Round the answer to the nearest
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By knowing the <em>blood</em> pressure and applying the <em>quadratic</em> formula, the age of a man whose normal <em>blood</em> pressure is 129 mm Hg is 40 years old.

<h3>How to use quadratic equations to determine the age of a man in terms of blood pressure</h3>

In this problem we have a <em>quadratic</em> function that models the <em>blood</em> pressure as a function of age. As the latter is known, we must use the quadratic formula to determine the former:

129 = 0.006 · A² - 0.02 ·A + 120

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A = \frac{0.02 \pm \sqrt{0.006^{2}-4\cdot (0.006)\cdot (- 9)}}{2\cdot (0.006)}

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By knowing the <em>blood</em> pressure and applying the <em>quadratic</em> formula, the age of a man whose normal <em>blood</em> pressure is 129 mm Hg is 40 years old.

To learn more on quadratic equations: brainly.com/question/1863222

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1 year ago
7. Write the slope-intercept form of the equation of the line graphed below.​
Stels [109]

Answer:

The answer to your question is y = \frac{-1}{2} x - 1

Step-by-step explanation:

Process

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Substitution

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Substitution

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Simplification

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3 years ago
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lesantik [10]
355 ~ 350
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3 years ago
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yuradex [85]

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Step-by-step explanation:

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