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Dmitry [639]
4 years ago
9

Simplify please I need help don't get it

Mathematics
1 answer:
trasher [3.6K]4 years ago
4 0
Hope this helps. If you have any further question ask me in comment.

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Substitution<br> 3x-y=4<br> x=4y+17
Sonja [21]
3(4y+17)-y=4
12y+51-y=4
11y+51=4
11y=-47
y=-47/11

x=4(-47/11)+17
x=-188/11+17
x=-1/11

hope this helps!
4 0
4 years ago
Read 2 more answers
I NEED THE ANSWER QUICK PLS!!!!!!
yKpoI14uk [10]
The answer is:
2((4^2)^-1)
= 2 * 16^-1
= 2 * 1/16
= 2/16
Answer = 1/8 (Decimal is 0.125)
6 0
3 years ago
In one year, profit fell from $1.73 billion to $1.18 billion. What was the percent decrease in profit?​
Vlada [557]

Answer:

31.7919075 % decrease

Step-by-step explanation:

To find the percent decrease

Take the original amount and subtract the new amount

1.73 billion - 1.18 billion =.55 billion

Divide by the original amount

.55 billion / 1.73 billion

.317919075

Change to percent form

31.7919075 % decrease

3 0
3 years ago
Sonia wanted to purchase a raincoat that cost 12.00 if there would be an 8% sales tax for the purchase ,how much would the sales
soldier1979 [14.2K]

Answer:

i thing is 1

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
As a prize for winning a contest, the contestant is blindfolded and allowed to draw 3 dollar bills one at a time out of an urn.
SVEN [57.7K]

Answer:

The probability that none of the $100 bills are selected is 79.6%.

Step-by-step explanation:

The urn contains forty $1 bills and ten $100 bills.  This gives a total of 50 bills in the urn.

To draw 3 dollar bills one at a time out of an urn, the probability of not selecting a $100 bill, decreases with each selection.

And the probability of not selecting a $100 bill is the probability of selecting a $1 bill in the first selection  = 80% (40/50 x 100).

The probability of selecting a $1 bill the second time = 79.6% (39/49).

The probability of selecting a $1 bill the third time = 79.2% (38/48).

The sum of the probabilities divided by 3 = 79.6% (238.8/3)

b) Probability arises when there is a chance that an event may occur from a set of events that could have occurred. It is based on an estimate that one event happens when all the events in the set are given no less equal chance.

7 0
3 years ago
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