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sergij07 [2.7K]
3 years ago
13

Systems of equations - substitution method -8x+7y=10 Y=3x+7

Mathematics
1 answer:
andre [41]3 years ago
5 0

Answer:

<h2>x= -3 , y = -2</h2>

Step-by-step explanation:

<h3> <em>Hope </em><em>it </em><em>helps </em><em>you.</em><em>.</em><em>.</em><em>.</em></h3><h2>Mark this answer as brainliest</h2>

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Which equation represents the line that passes through the point (1,5) And has a slope of -2?
posledela

The correct answer would be A.

We can immediately eliminate C and D because they have the slope listed as 2 rather than -2.

Because we're looking for the line that passes through (1, 5), we know that the y-intercept has to be 7, because from (0, 7) we get to (1, 5) when we apply the slope of -2.

Thus, the answer is A.

3 0
3 years ago
Plss help i’ll give brainliest thank you!
adoni [48]

Answer:

The absolute value of -9 is less than 9 I'm pretty sure

3 0
3 years ago
Which equation is in standard form?
kifflom [539]
I believe that the last one is true


because the linear equations are

y=ax+b


which means that the point of y-axis is on one side and the slope, point on x-axis and y-intercept are on the other side



good luck
6 0
4 years ago
Read 2 more answers
An office supply store sells pencils individually or by the case. Pencils purchased individually cost $0.97 each. One case of fo
AnnyKZ [126]

Answer:

$00.90

Step-by-step explanation:

If you dive the total cost of the case, $37.20, by the total number of pencils, 40, that's the answer you get.

3 0
3 years ago
The owner of a local golf course wanted to determine the average age (in years) of the golfers that played on the course. In a r
Katyanochek1 [597]

Answer:

e. We are 90% confident that the average age of all golfers that play on the golf course is between 38.6 and 44.6 years old.

Step-by-step explanation:

x% confidence interval:

A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.

In this question:

90% confidence interval for the average age of golfers in the course is of (38.6, 44.6). This means that we are 90% sure that the true average age of all golfers in the course is between these two values, that is, the correct answer is given by option e.

8 0
3 years ago
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