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ElenaW [278]
3 years ago
8

Solve the linear system using multiplication Elimination. 4х + Зу = 8 X - 2y = 13

Mathematics
1 answer:
motikmotik3 years ago
5 0
X=5, y=-4
(5,-4)
do you need the work?
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P(S) = 5/8<br> P(T) = 1/8<br> If S and T are mutually exclusive events, find P(S or T),
Aleks04 [339]

Answer:

P(S ∪ T) = 3/4

Step-by-step explanation:

Given:

  • P(S) = 5/8
  • P(T) = 1/8

For mutually exclusive events S and T,

P(S ∪ T) = P(S) + P(T)

Therefore,

P(S ∪ T) = (5/8) + (1/8)

              = 6/8

              = 3/4

6 0
2 years ago
Find the distance<br> P(-2, -7), Q(4,7)
kolbaska11 [484]

Answer:

\sqrt{232}  or 15.231546

Step-by-step explanation:

8 0
3 years ago
Three airlines serve a small town in Ohio. Airline A has 52% of all scheduled flights, airline B has 27% and airline C has the r
julia-pushkina [17]

Answer:

Step-by-step explanation:

Given that three airlines serve a small town in Ohio. Airline A has 52% of all scheduled flights, airline B has 27% and airline C has the remaining 21%.

Their on-time rates are 83%, 66%, and 36%, respectively.

Airlines A B C  

   

Flights                52%                  27%             21%   100%

On time rates  83%                  66%         36%  

   

Flight*online rates 43.1600% 17.8200% 7.5600% 68.5400%

Thus the above table shows the product of no of flights and on time rates.

Prob it was airline A given it left on time

= \frac{43.16}{68.54} \\=0.6297

4 0
3 years ago
WILL MARK BRAINLIEST PLEASE HELP
Virty [35]

Answer:

Equations can have many solutions. The equation of a straight

line, for example, defines all points on the line. Even a simple

equation such as x+y=5 can have a variety of solutions (x=1 when

y=4, x=2 when y=3 and so on)

6 0
3 years ago
it takes Zack 15 minutes to walk 7 1\2 blocks to the swimming pool. at this rate, how many blocks can he walk in one minute?​
gayaneshka [121]

Answer:

1/2 of a block

Step-by-step explanation:

Use proportions to solve

7.5 blocks / 15 minutes = x blocks / 1 minute

7.5=15x

x=.5

1. Multiply the numerators by the other's denominator( 7.5*1 will equal to 15*x)( * means times)

2. Isolate x by dividing 7.5=15x by 15 and you will have what x equals.

8 0
3 years ago
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