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Pavel [41]
3 years ago
10

What is the point slope form of a line with slope -5 that contains the point (2,-1)?

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0
Answer: A

Explanation:

(Y-Y1)=m(X-X1) is the base formula for point slope. The points to plug in (X1, Y1) are in this case (2,1). Plugging in those points gives you the equation of Y+1=m(X-2). Then it asks for the slope. In this equation, m = the slope. So plug in (-5) for the slope and you get Y+1=-5(X-2).

Hope this helps!
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Select the correct answer.
malfutka [58]

Answer:

C. x=7

Step-by-step explanation:

So we know that a vertical line is represented by x= so we can already rule out two of the options. We also know that since the line runs vertically, all points will start with the same x coordinate. This means that the correct answer is x=7

4 0
3 years ago
Mr. Green cuts his lawn every 8 days, while Mrs. Grasse cuts her lawn every 10 days. Suppose they both cut their lawns today. Wh
stich3 [128]
It will be in the next 40 days.
6 0
3 years ago
PLZ HELP ASAP!!! I WILL NAME BRAINLIEST!! 65 POINTS!! (:
astra-53 [7]

Answer:

1. 44 + 3x

2. 2y - 8

3. x - 6

15. 5\frac{7}{8}

16. 6\frac{1}{3}

17. 3\frac{7}{9}

Step-by-step explanation:

1. 7² + 2² - 5 - 4 + 3x

   49 + 4 - 5 - 4 + 3x

       53 - 5 - 4 + 3x

           48 - 4 + 3x

              44 + 3x

2. - y - 5 + y + 2(2y-y) - 3

     -y - 5 + y + 4y - 2y -3

      -y - 5 + 5y - 2y - 3

          4y - 2y - 5 - 3

                2y - 8

3. 5x -3 - x - 3(x + 1²)

    5x - 3 - x - 3x - 3

      4x - 3x - 3 -3

           x - 3 -3

             x - 6

15.  7\frac{1}{4} - 1\frac{3}{8}

   = 7 \frac{2}{8} - 1\frac{3}{8}

   = \frac{58}{8} - \frac{11}{8}

   = \frac{47}{8} → 5\frac{7}{8}

16.  9 - 2\frac{2}{3}

   = \frac{54}{6} - 2\frac{4}{6}

   = \frac{54}{6} - \frac{16}{6}

   = \frac{38}{6} → 6\frac{2}{6} → 6\frac{1}{3}

17.  10\frac{1}{3}  - 6\frac{5}{9}

   =  10 \frac{3}{9} - 6\frac{5}{9}

   =    \frac{93}{9} - \frac{59}{9}

   =     \frac{34}{9} → 3\frac{7}{9}

Hope this helps.

6 0
4 years ago
Craig has five weeks to read an 850-page book.
a_sh-v [17]

Answer:

170 pages.

Step-by-step explanation:

Craig has to read 850 pages in 5 weeks. If we set up a proportion, we have...

\frac{850 pages}{5 weeks} =\frac{x pages}{1 week}

5x = 850

x = 850 / 5

x = 170 pages.

Hope this helps!

8 0
3 years ago
Read 2 more answers
Whats the product of (3-2i) and (7+6i)?​
Alona [7]

Answer: the product is = 33+4i

Step-by-step explanation:

21+4i-12i^2

21+4i-12(-1) i^2=-1

21+4i+12

your answer would be 33+4i .

6 0
3 years ago
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