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ser-zykov [4K]
4 years ago
6

HELP ASAP *i’ll give thanks and brainliest!!*

Mathematics
1 answer:
sergiy2304 [10]4 years ago
6 0

i have asked to someone I'll take some time wait

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Suppose that college faculty with the rank of professor at two year institutions earn an average of $52,500 per year with a stan
icang [17]
Let x be a random variable representing the mean saraly of professors at two year institutions, then
P(x > 55000) = 1 - P(z < (55000 - 52500)/4000) = 1 - P(z < 0.625) = 1 - 0.73401 = 0.26599

8 0
3 years ago
Which ratio is equivalent to the ratio 33:39?
VLD [36.1K]

9514 1404 393

Answer:

  B.  22 to 26

Step-by-step explanation:

Multiply each value in the ratio by 2/3 to see an equivalent that is among the choices.

  33 : 39 = (2/3)(33) : (2/3)(39) = 22 : 26

7 0
3 years ago
Please help me on this math
stellarik [79]
Friendly phone= 0.06×400=24; 0.25×400= 100; 100+24+3.95=127.95;                   127.95×4= $511.8
Chatter= 0.098 × 400= 39.2; 0.192 × 400= 76.8; 76.8+39.2+4.95= 120.95;             120.95 × 4= $483.8
Phone A Lot= 0.089 × 400= 35.6; 0.24 × 400= 96; 35.6 + 96= 131.6; 
    131.6 × 4= $526.4

Chatter < Friendly phone < Phone A Lot 
 $483.8 < $511.8 < $526.4
The cheapest one would be Chatter= $483.8

Hope this helps :)



5 0
3 years ago
How do you multiply 2 3/5x4
Korvikt [17]

Answer:

98.36

Step-by-step explanation:

4 0
3 years ago
Rashad had 25 stamps. He shared them equally among himself and 4 friends. then Rashad found 2 more stamps in his pocket. Write a
const2013 [10]

It would be:

(25/4)+2

5 0
3 years ago
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