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Katena32 [7]
3 years ago
12

A bag contains both 10 blue and 10 red objects. There are 5 blue circles, 5 red circles, 5 blue squares and 5 red squares. If I

draw out two objects from the bag what is the probability that both of them are circles?
A) 1/10
B) 1/4
C) 5/19
D) 9/38
Mathematics
2 answers:
-BARSIC- [3]3 years ago
8 0

Answer:

P(red or a circle) = 4⁄16 + 7⁄16 - 4⁄16 = 7⁄16 = 43.8%

Step-by-step explanation:

Levart [38]3 years ago
6 0

B) 1/4 because there are 4 groups and with those groups you can pick any of them








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Answer:

The answer is -(29+3a).

Step-by-step explanation:

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If PQR is a triangle,given that /PQ\=15m, /QR\=17m and /RP\=18m.Find the area of the triangle to the nearest whole number.
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Step 1. Calculate the <em>semiperimeter</em> (s).

s = (p + q + r)/2

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===============

Step 2. Calculate the <em>area</em> (A).

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