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shutvik [7]
3 years ago
15

A pair of linear equations is shown below: y = −2x + 3 y = −4x − 1 Which of the following statements best explains the steps to

solve the pair of equations graphically? Graph the first equation, which has slope = 3 and y-intercept = −2, graph the second equation, which has slope = −1 and y-intercept = −4, and find the point of intersection of the two lines. Graph the first equation, which has slope = −3 and y-intercept = 2, graph the second equation, which has slope = 1 and y-intercept = 4, and find the point of intersection of the two lines. Graph the first equation, which has slope = −2 and y-intercept = 3, graph the second equation, which has slope = −4 and y-intercept = −1, and find the point of intersection of the two lines. Graph the first equation, which has slope = 2 and y-intercept = −3, graph the second equation, which has slope = 4 and y-intercept = 1, and find the point of intersection of the two lines.
Mathematics
2 answers:
katen-ka-za [31]3 years ago
8 0

The answer is A) On a graph, find the point of intersection of two lines; the first line has y-intercept = 5 and slope = −3, and the second line has y-intercept = 2 and slope = 1.

pls mark me brainliest

Hatshy [7]3 years ago
6 0
You put -3. Over on -762 and the slope (m) and -43
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Television and radio stations use four call letters starting with w or​ k, such as wxyz or krld. assuming no repetitions in the
katen-ka-za [31]
Here we are dealing with combinations without repetitions.

Let's write the form of a name.
For names starting with W:
W _ _ _
For names starting with K:
K _ _ _

We are allowed to use only lettrs from F to X. That's total of 19 letters. We are not allowed to repeat letters so for each letter we can choose from one less available letters.

Let's start with names begining with W. We will write how man possible letters we can choose from.
W 18 17 <span>16
</span>At second possition we can choose from 18 letters because we must not repeat letters and W is placed in front of X in alphabet.
At third position we can choose from 17 letters becasue we already chose two of 19 possible letters.
At fourth position we can choose from 16 letters becasue we already chose three of 19 possible letters.
To calculate total number of possible names we need to multiply these numbers:
1 * 18 * 17 * 16 = 4896

Same calculation can be done for names starting with K. We would get same number as solution.

Total number of possible names starting with W or K is 4896 + 4896 = 9792
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