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2 years ago

7

A bag contains 4 red marbles and 2 white marbles. A marble is selected, returned to the bag, and then another marble is selected

. Find P(red, then white).

2 answers:

Troyanec [42]2 years ago

5 0

Yessss this I’m waffling because I need to answer quiestionnsss

77julia77 [94]2 years ago

5 0

Answer:

2/9

Step-by-step explanation:

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Elis [28]

X + y = 40.....multiply by -4
4x + 6y = 180
-------------------
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4x + 6y = 180
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2y = 20
y = 20/2
y = 10 <===

x = 30

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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3 years ago

In ΔQRS, the measure of ∠S=90°, the measure of ∠R=29°, and SQ = 5.8 feet. Find the length of RS to the nearest tenth of a foot.

taurus [48]

Answer:

10.5 ft

Step-by-step explanation:

In ΔQRS,

m∠S=90°
m∠R=29°,
SQ = 5.8 feet.

See the diagram below.

The triangle is a Right Triangle,

Using trigonometric ratios,

$Tan R=\dfrac{|SQ|}{|RS|} \\Tan 29^\circ=\dfrac{5.8}{|RS|}\\$Cross multiply$\\|RS|XTan 29^\circ=5.8\\|RS|=\dfrac{5.8}{Tan 29^\circ}\\$=10.5 ft (to the nearest tenth of a foot)$

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2 years ago