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Serggg [28]
3 years ago
9

a jar that has 5 yellow, 3 red, and 8 green marbles. What is the probability of selecting a red marble from the jar

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0

5/16 is the probability

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The scale drawing of a concrete pad has a length of 9.1 cm, a depth of 2.2 cm and a width of 3.8 cm.
pogonyaev

Answer:

242 cm  

Step-by-step explanation:

1. Find the scale factor

A scale factor (SF) is the ratio of two corresponding lengths in similar figures.

SF = actual distance/scale distance

If the scale width is 3.8 cm,

SF = 418 cm/3.8 cm = 110

2. Calculate the actual depth

110 = actual depth/2.2 cm

Actual depth = 110 × 2.2 cm = 242 cm

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3x - 5y = -9<br> x + 2y = 8
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