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VMariaS [17]
3 years ago
11

What is the sign of 23/45 + -23/45

Mathematics
1 answer:
Paha777 [63]3 years ago
3 0

Answer:

0

Step-by-step explanation:

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Explain why the probability mass function p(x = 1000) = 0.1, p(x = 1500) = 0.2, p(x = 2000) = 0.3, p(x = 2500) = 0.3, p(x = 3000
OlgaM077 [116]
Chances are a call center will rarely receive *exactly* 1000 calls, or 1500, or 2000, ...

A more likely choice would be, for instance, \mathbb P(X\le1000)=0.1, \mathbb P(1000, ...
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3 years ago
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dolphi86 [110]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
Solve for x. 3x+1/14=2x/8
Ludmilka [50]
It depends if it is
1. 3x+(1/14)=(2x)/8 or
2. (3x+1)/14=(2x)/8

if it is 1

1.
3x+(1/14)=2x/8
simplify 2x/8
2x/8=x/4
3x+(1/14)=x/4
find least common multiple of 14 and 4
factors of 14=2 and 7
factors of 4 are 2 and 2 so LCM=2 times 2 times 7=28
multiply both sides by 28
84x+2=7x
subtract 7x from both sides
77x+2=0
subtract 2 from both sides
77x=-2
divide both sides by 77
x=-2/77


2.
(3x+1)/14=2x/8
simpify 2x/8
2x/8=x/4
(3x+1)/14=x/4
find least common multiple of 14 and 4
factors of 14=2 and 7
factors of 4 are 2 and 2 so LCM=2 times 2 times 7=28
multiply both sides by 28
(2)(3x+1)=7x
distribute
6x+2=7x
subtract 6x from both sides
2=x

5 0
3 years ago
Michael and Landon work at a dry cleaners ironing shirts. Michael can iron 40 shirts per hour, and Landon can iron 20 shirts per
BartSMP [9]

Answer:

Michael worked 4 hours and Landon worked 10 hours.

Step-by-step explanation:

Michael can iron 40 shirts each hour, so in xx hours he can iron 40x40x shirts. Landon can iron 20 shirts each hour, so in yy hours he can iron 20y20y shirts. The total number of shirts ironed 40x+20y equals 360:

40x+20y=360

40x+20y=360

Since Michael and Landon worked a combined 14 hours, we know x+yx+y must equal 14.

x+y=14

Write System of Equations:

​

40x+20y= 360

x+y=14

Solve for y in each equation:

​

40x+20y = 360  x+y = 14 20y = -40x+360  

\frac{-20y}{20} =\frac{-40x+360}{20}

y = -2x+18

​

 

​

7 0
3 years ago
I REALLY NEED HELP!!!<br> 5^-3=
stiv31 [10]
1/125 or 0.008
fraction or decimal
3 0
3 years ago
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