Answer:n=-3.1
Step-by-step explanation:
2n + 3 = -3.2
Subtract 3 on both sides
2n+3-3=-3.2-3
2n=-6.2
Divide 2 on both sides
2n/2=-6.2/2
n=-3.1
There is a 10% (1/10) chance of drawing a white marble out of the bag.
Altogether, there are 30 marbles in the bag (8 + 16 + 3 + 3 = 30)
<span>3 of the marbles are white. That makes the probability of drawing a white marble 3 out of 30, or 1/10 or 10%.</span>
Answer:
m=-96/7
Step-by-step explanation:
A dozen of doughnuts cost $5 and a dozen of croissants cost $6.
Step-by-step explanation:
Let,
Cost of 1 dozen doughnuts = x
Cost of 1 dozen croissants = y
According to given statement;
7x+3y = 53 Eqn 1
x+5y = 35 Eqn 2
Multiplying Eqn 2 by 7

Subtracting Eqn 1 from Eqn 3

Dividing both sides by 32

Putting y=6 in Eqn 2

A dozen of doughnuts cost $5 and a dozen of croissants cost $6.
Keywords: linear equation, elimination method
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Answer:
Step-by-step explanation:
2x + 7 > 20
2x > 13
x > 6.5