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fiasKO [112]
2 years ago
8

I can't solve this I need help??? ​

Mathematics
2 answers:
vredina [299]2 years ago
5 0
Picture or questions?
Semenov [28]2 years ago
3 0

Answer:

Yes.

Step-by-step explanation:

THERE IS NO QUESTION

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Heyo! I need some help, please. What is the x coordinate if (x, 17) is on a line that passes through the points (1, 2) and (-1,
expeople1 [14]

Answer:

  • x = 4

Step-by-step explanation:

<u>The line with points (1,2) and (-1,-8). Work out its equation.</u>

  • y = mx + b

<u>The slope is:</u>

  • m = (-8 - 2)/(-1 - 1) = -10/-2 = 5

<u>To find the y intercept, substitute x and y-xoordinates of point (1,2):</u>

  • 2 = 5(1) + b
  • b = 2 - 5
  • b = -3

<u>The line is:</u>

  • y = 5x - 3

<u>Point (x, 17), substitute y-coordinate and solve for x</u>

  • 17 = 5x - 3
  • 5x = 17 + 3
  • 5x = 20
  • x = 20/5
  • x = 4
5 0
3 years ago
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What is the measure of angle A in the triangle below?
laiz [17]
The answer is 30.
You need to use sine here
So:
5 0
3 years ago
Find the value of x.<br><br><br><br><br> 36<br><br><br> 21<br><br><br> 42<br><br><br> 18
Degger [83]
The answer for this is 42. just subtract 152 from 68 and then divide that by 2. 
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3 years ago
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a fall dance sold 18 tickets during the first day of sales. this was 25% of the total sales. how many tickets were sold to the f
alexandr402 [8]

Answer:

72

Step-by-step explanation:

I have a weird way of doing it

so if 18 is 25%

18+18=36

then 36 would be 50%

36+36=72

so then 72 would be 100%

72*.25=18

6 0
3 years ago
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Coefficient of x^2 in the expansion of (x-3)^3
Mila [183]

Answer:

-9

Step-by-step explanation:

(x-3)(x-3)(x-3)

(x^2-6x+9)(x-3)

x^3-9x^2+27x-27

Therefore, the coefficient of x^2 is -9.

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2 years ago
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