10x - 12y = 22 5x - 6y = 11 elimanation
2 answers:
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Answer:
x = - 6
Step-by-step explanation:
Given
= 3
Multiply both sides by 5 to clear the fraction
9 - x = 15 ( subtract 9 from both sides )
- x = 6 ( multiply both sides by - 1 )
x = - 6
There are 35 coupons in the jar.
The probability to choose <span>coupon for 1 month of extended membership is
.</span>
The probability to choose <span>coupon for 1.5 months of extended membership is
.
</span>
<span>Answer: With probability
a customer will get 30 days extended membership, </span>
with probability
a customer will get 450 days extended membership,
<span>with probability
a customer will get 60 days extended membership.</span>
The probability to choose coupon for 1 month of extended membership is
.
Together P(A)+P(B)+p(C)=1.
The probability to choose <span>coupon for 1 month of extended membership is
The probability to choose <span>coupon for 1.5 months of extended membership is
</span>
<span>Answer: With probability
with probability
<span>with probability
The probability to choose coupon for 1 month of extended membership is
Together P(A)+P(B)+p(C)=1.