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horrorfan [7]
2 years ago
15

There are 88 marbles in a bin and 25% of the marbles are red. How many red marbles are in the bin?

Mathematics
2 answers:
leonid [27]2 years ago
7 0
Total number of marbles = 88
Number of red marbles = 25% x 88 = 0.25 x 88 = 22

Answer: There are 22 red marbles in the tin.
wel2 years ago
4 0
The number of marbles in the bin that are red is 22 because 25% of the marbles are red

You can convert the percentage to a decimal

25% is 0.25

Then multiply 88 by 0.25

88 x 0.25 = 22

Hope it helps :))
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see explanation

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The circumference (C) is calculated as

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diameter = 2 × 9 = 18 in ( twice the top diameter ), thus

C = 18π in ← exact value ≈ 56.55 in ( to 2 dec. places )

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Determine the number of possible triangles, ABC, that can be formed given angle A = 30°, a = 4, and b = 6.
Sophie [7]

Answer:

Step-by-step explanation:

Alright, lets get started.

using Sine Law,

\frac{sinA}{a}=\frac{sinB}{b}

\frac{sin30}{4}=\frac{sinB}{6}

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angle B = 48.6

Another angle will be

angle B' = 180-48.6 = 131.4

considering angle B, angle C = 180 - (48.6+30)=101.4

considering angle B', angle C' = 180-(131.4+30)=18.6

\frac{sinA}{a}=\frac{sinC}{c}

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Similarly, finding c'

\frac{sinA}{a}=\frac{sinC'}{c'}

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c'=2.55

Hence two triangles are possible with below details:  :   Answer

A = 30, B = 48.6, C = 101.4, c = 7.84

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Hope it will help :)

5 0
2 years ago
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