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ser-zykov [4K]
3 years ago
9

Determine whether each ordered pair is a solution of each system {2x-3y=-9 4x+2y=-2

Mathematics
1 answer:
tamaranim1 [39]3 years ago
8 0

Answer:

-3/2, y=2

Step-by-step explanation:

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The town Atlanta needs $14,000 for a new playground Lanzetta Elementary school raise $5358 Lantana middle school race $2834 Atla
Elza [17]
Lanzetta Elem. raised 5358....round to 5,000
Lantana Mid. Sch raised 2834....round to 3,000
Atlanta High Sch. raised 4132...round to 4,000

they need 14,000...they have (5,000 + 3,000 + 4,000) = 12,000....so they will need (14,000 - 12,000) = 2,000 more....keep in mind, these are estimates...not exact answers

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4 years ago
n a family vacation, Amy’s dad drove the car at a constant speed and traveled 585 miles in 13 hours. At this rate, how long woul
klemol [59]

Answer: 18 hours

Step-by-step explanation:  

Amy's dad drove the car at a constant speed and travel 585 miles in 13 hours , using proportion . Find out how long would it have taken the family to travel 810 miles . Let   x -----> the time in hours to travel 810 miles! Hope this helps! Good luck!

8 0
3 years ago
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Write the number name for 485,002,000
Sav [38]
Four hundred eighty five million and two thousand


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3 0
3 years ago
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Problem: The mean number of bankruptcies filed per minute in the ` States in a recent year was about two. Find the probability t
tino4ka555 [31]
The number of companies is quite large. That is, n is quite large.
The probability that a company declares bankruptcy is quite small , p is quite small.
np = the mean number of bankruptcies = 2  = a finite number.
Hence we can apply Poisson distribution for the data.
P (x=5 | mean =2) = e-2 25/5! = e-2 * 32/120 = 0.036089
Alternatively 
=poisson(5,2,0) = 0.036089
P(x≥ 5 | mean =2) = 1- P( x ≤ 4) = 1- e-2 (1+2+22/2!+23/3!+24/4!)= 1-e-2 (1+2+2+8/6+16/24)= 1-e-2(7)
  =0.052653
Alternatively
= 1- poisson(4,2,1) =0.052653
P(X > 5 | mean =2) = 1- p(x
 ≤ 5) =1- e-2 (1+2+22/2!+23/3!+24/4!+25/5!)= 1-e-2(7+4/15)
  =0.016564
alternatively=1-poisson(5,2,1)
=0.016564
4 0
3 years ago
Which expression is equivalent to 6/12 divided 2/3
NeTakaya

Answer:

12/24 ÷ 4/6.

Step-by-step explanation:

just double the numbers lol

6 0
3 years ago
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