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NeX [460]
3 years ago
10

Alex earned $75 mowing lawns. He decided to put $25

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer:

Alex can buy "3" socks

Step-by-step explanation:

75- 25 =50

50- 29.99 = 20.01

20.01/ 6.26= 3.02

Since you can't get a portion of a sock you just take the first number (which is 3). Therefore, Alex can only buy three socks.  

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Two number cubes are rolled sequentially. What is the probability that the first number cube shows a Four and the second number
galben [10]

Answer:

\frac{1}{12}

Step-by-step explanation:

<h2>This is an independent event probability problem , that is the first event does not affect the occurrence of the second event.</h2>

The sample space of the first die is S1= {1,2,3,4,5,6}

The sample space of the second die is S2= {1,2,3,4,5,6}

1. the probability that the first number cube shows a Four  pr (4)= \frac{1}{6}

2. the probability that the second number cube shows an odd number=

odd numbers in the sample space are 1,3,5= 3

pr(odd) = \frac{3}{6} = \frac{1}{2}

For the two event to happen the probability is = \frac{1}{6}*\frac{1}{2}=\frac{1}{12}

4 0
3 years ago
Help me answer the question please ​
jok3333 [9.3K]

Answer:

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3 0
3 years ago
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A circle is described by the equation x2 + y2 + 14x + 2y + 14 = 0. What are the coordinates for the center of the circle and the
katrin2010 [14]
x^{2}+y^{2}+14x+2y+14=0 \\  \\ x^{2}+14x+49 +y^{2}+2y+1-36=0 \\  \\ (x+7)^{2}+(y+1)^{2}=36 \\  \\ S=(-7,-1) \\  \\ r=6

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

(x-a)^{2}+(y-b)^{2}=r^{2} \\  \\ S=(a,b)

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How to solve r^2/2r^3 step by step please
ZanzabumX [31]
Can't solve this, because it's not an equation.  It's an expression, and I think your goal is to simplify it.

<span>r^2/2r^3 would be better written as 

</span><span> r^2            r^2
------- = -----------       this should be reduced by cancelling "r^2:"
2r^3       2r(r^2)


    1
--------     (answer)
   2r</span>
3 0
3 years ago
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