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klasskru [66]
3 years ago
11

What is the solution set for 3x+2y=8 2x-2y=2

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0
Add the two equations: 5x=10, x=2, but x-y=1 so y=1. The solution set is uniquely (2,1).
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The fifth graders were given sandwiches for lunch during your field trip Nathan ate 5 out of 6 leroy ate 7 out of 8 of his sandw
Scorpion4ik [409]

Answer:

Step-by-step explanation:

The fifth graders were given sandwiches for lunch during their field trip. Nathan ate 5/6 of his sandwich, Leroy ate 7/8 of his sandwich, and Sofia ate 5/8 of her sandwich. Who ate the greatest amount of their sandwich? ... Nathan ate 20/24, Leroy ate 21/24, and Sofia ate 15/24 meaning Leroy ate the most.

5 0
3 years ago
Read 2 more answers
in a city school of 1,200 students, 40% of the students are on the honor roll, 60% have a part-time job, and 22% are on the hono
Alexus [3.1K]
Let
A = event that the student is on the honor roll
B = event that the student has a part-time job
C = event that the student is on the honor roll and has a part-time job

We are given
P(A) = 0.40
P(B) = 0.60
P(C) = 0.22
note: P(C) = P(A and B)

We want to find out P(A|B) which is "the probability of getting event A given that we know event B is true". This is a conditional probability

P(A|B) = [P(A and B)]/P(B)
P(A|B) = P(C)/P(B)
P(A|B) = 0.22/0.6
P(A|B) = 0.3667 which is approximate

Convert this to a percentage to get roughly 36.67% and this rounds to 37%

Final Answer: 37%

4 0
2 years ago
What percent is 15 of 75
poizon [28]
100%/x%=75/15
<span>(100/x)*x=(75/15)*x       - </span>we multiply both sides of the equation by x
<span>100=5*x       - </span>we divide both sides of the equation by (5) to get x
<span>100/5=x </span>
<span>20=x </span>
<span>x=20</span>
4 0
3 years ago
Read 2 more answers
Please help! photo is attached with the problem.
Ne4ueva [31]
I can’t read it sorry
8 0
2 years ago
Solve for x. help please
Varvara68 [4.7K]
It’s 90 degrees sorry if I’m wrong
7 0
3 years ago
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