Answer: 13
Step-by-step explanation:
Equilateral triangle means that all sides are equal
Soo
3x + 1 must be equal to 5x - 9
3x + 1 = 5x - 9
-2x = -10
x = 5
Substitute x as 5 into either side value
3(5) + 1 = 15 + 1 = 16
So, all sides equal 16
Which means that y + 3 also equals 16
y + 3 = 16
y = 13
Answer:
number of cubes need : (20/3) / (1/27) = 180 cubes
Step-by-step explanation:
volume of cube = (1/3)^3 = 1/27
volume of prism = 5/3 * 4/3 * 2 = 20/3
<u><em>number of cubes need : (20/3) / (1/27) = 180 cubes</em></u>
Answer:
270 minutes.
Step-by-step explanation:
30d
d=9
30x9= 270
270 minutes.
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Answer: Proportional is two varying quantities are said to be in a relation of proportionality, if they are multiplicatively connected to a constant, that is, when either their ratio or their product yields a constant. The value of this constant is called the coefficient of proportionality or proportionality constant.
