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3 years ago

12

A box contains 6 red balls, 7 green balls and 5 blue balls. each ball is of different size. the probability that the red ball se

lected is the smallest red ball ?

1 answer:

Strike441 [17]3 years ago

6 0

6/18 good luck!!!!!!!!!!!!!!!!!!!

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A large carton of milk is 72 ounces. How

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The mean of five numbers is 15. four of the numbers are 3,19,8, and 32 whats the fifth number

qwelly [4]

Setup Average Equation:
_____________________
Average=Sum of our 4 numbers + unknown number of x
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Total Numbers
15 = 3 + 19 + 8 + 32 + x
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5
Cross Multiply
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2 years ago

In right angled triangle (not drawn to scale) measurment (in cm) of two sides are indicated in figure Find value of x in case. (

lisabon 2012 [21]

Answer:

5.29 units

Step-by-step explanation:

By Pythagoras theorem:

${6}^{2} + {x}^{2} = {8}^{2} \\ 36 + {x}^{2} = 64 \\ {x}^{2} = 64 - 36 \\ {x}^{2} = 28 \\ x = \sqrt{28} \\ x = 5.29150262 \: units \\ x \approx 5.29 \: units$

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2 years ago

A line with a slope of -2 passes through the points (0,d) and (-8,9). What is the value of d?

Verizon [17]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have m = -2 and the points (0, d) and (-8, 9). Substitute:

$\dfrac{9-d}{-8-0}=-2\\\\\dfrac{9-d}{-8}=-2\qquad\text{multiply both sides by (-8)}\\\\9-d=16\qquad\text{subtract 9 from both sides}\\\\-d=7\qquad\text{change the signs}\\\\\boxed{d=-7}$

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3 years ago