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kotegsom [21]
3 years ago
10

Need help pls thxs. you​

Mathematics
2 answers:
ale4655 [162]3 years ago
8 0

Answer:

The second expression is the product of the above expressions.....

salantis [7]3 years ago
5 0

You have to distribute 2x into (4x - 11) and 9 into (4x - 11) and then add everything.

(2x+9)(4x-11) = 2x*4x + 2x*(-11) + 9*4x + 9*(-11)

= 8x^2 + (-22x) + 36x + (-99)

= 8x^2 - 22x + 36x - 99

= 8x^2 14x - 99

ANSWER: B or 8x^2 + 14x -99

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Write the equation of the line in slope-intercept form with slope m=4 through the point (-2,5)
wlad13 [49]

Answer:

y=4x+13

Step-by-step explanation:

Ig, hope it helps

5 0
2 years ago
Find the equation of plane that contains P(1,-1,2) and has the normal n=2i+3j+5k (please answer quickly )
mixas84 [53]

Answer:

2x + 3y + 5z = 9

Step-by-step explanation:

The normal defines all the planes perpendicular to that vector. To isolate to a single plane, just apply the known point.

ax + by + cz = d

2x + 3y + 5z = d

2(1) + 3(-1) + 5(2) = 9

8 0
3 years ago
5 + 4x - 2x = 8x + 11 + 12<br><br> Explain step by step PLEASE
Yuliya22 [10]

Answer:

The solution is x = -3

Step-by-step explanation: Please brainliest!

4 0
2 years ago
Read 2 more answers
1. a line with a slope of 1/3 passes through the point (3, 6) . which point also lies on this line?
valentina_108 [34]

1) Substituting into point-slope form, the equation of the line is y-6=⅓(x-3), which rearranges to:

  • y-6 = ⅓x - 1
  • y = ⅓x + 5

So, we can now substitute in the coordinates of each of the options to see which point lies on the line.

  1. 3 = ⅓(6) + 5 -> 3 = 7, which is false.
  2. 6 = ⅓(7) + 5 -> 6 = 22/3, which is false.
  3. -3 = ⅓(-3) + 5 -> -3 = 4, which is false.
  4. 3 = ⅓(-6) + 5 -> 3 = 3, which is true.

So, the answer is (4) (-6, 3)

2) Substituting into point-slope form, the equation of the line is y - 5 = ¾(x-2), which rearranges to:

  • y - 5 = 0.75x - 1.5
  • y = 0.75x + 3.5

So, we can now substitute in the coordinates of each of the options to see which point lies on the line.

  1. 8 = 0.75(6)+3.5 -> 8 = 8, which is true.
  2. 9 = 0.75(5) + 3.5 -> 9 = 7.25, which is false.
  3. 1 = 0.75(-1) + 3.5 -> 1 = 2.75, which is false.
  4. 2 = 0.75(6) + 3.5 -> 2 = 8, which is false.

So, the answer is (1) (6, 8).

3 0
2 years ago
Is perpendicular to the line y = 2x + 1<br> and through the point (-1,5)
Monica [59]

Answer:

-2x+3

Step-by-step explanation:

Using y=mx+b

To make the line perpendicular, you just need to make the slope (m=2) negative. To make it go through (-1, 5), you just need to adjust the b value to raise the graph to a point where it will pass through the point.

4 0
3 years ago
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