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marshall27 [118]
3 years ago
7

Use the substitution method to solve the system of equation.choose the correct ordered pair.

Mathematics
1 answer:
Reika [66]3 years ago
6 0

Answer:

x=8 and y=2

Step-by-step explanation:


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John should drive to his workplace and back to home. On the way to the workplace it was raining, so he drove at speed of 42mph.
nataly862011 [7]

Answer:

48 mph

Step-by-step explanation: Add 42mph and 54 mph and you get 96.  To find the average of the two --- divide 96 by 2 and you get 48mph as the average speed for the entire trip.

3 0
2 years ago
Distribute: -3(4a-5b+c)​
kvv77 [185]

Answer:

I got it.

Step-by-step explanation:

-12a - (-15b) + (-3c)

4 0
3 years ago
Please help me with the correct answer
Irina18 [472]

Answer:

50 books were sold

Step-by-step explanation:

there are 5 books in the Red Crow row, and each book is worth 10 sold.

8 0
3 years ago
Read 2 more answers
-5х + Зу = -8<br> 3х - 7y = -3<br> Ordered pair
tatiyna

Answer:

1. y= 2x-5        

2. y= x+3

3. y=2x+7

Step-by-step explanation:

6 0
2 years ago
Q. The probability that a student passes a statistics test is 2/3 and the
kenny6666 [7]

Answer:

4/9 or 44.44%

Step-by-step explanation:

We have the following probabilities:

Probability of winning the statistical test = P (s) = 2/3

Probability of winning the mathematics and statistics test = P (s n m) = 14/45

Probability of winning at least one test = P (s u m) = 4/5

We have that, the probability of winning the mathematics test P (m) can be found in the following way:

P (s n m) = P (s) + P (m) - P (s u m)

replacing we have:

14/45 = 2/3 + P (m) - 4/5

P (m) = 14/45 - 2/3 + 4/5

p (m) = 4/9 = 0.444

Which is the same as there is a 44.44% probability that I will win the math test

5 0
3 years ago
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