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Korolek [52]
3 years ago
9

Which equation shows how (–10, 8) can be used to write the equation of this line in point-slope form?

Mathematics
1 answer:
alex41 [277]3 years ago
3 0

If you plug in the # the only one that is correct is y-8=-0.2(x+10)

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If two parallel planes are cut by a third plane, the lines of intersection are parallel
-BARSIC- [3]

Answer:

True

Step-by-step explanation:

7 0
3 years ago
The graph of a line has a slope of -7 and a y intercept of (0,0). Rewrite the equation in standard form (Ax+By=C) with a positiv
Anna11 [10]

Answer:

the equation of the line is 7x + y = 0 .

Step-by-step explanation:

in the standard form of the line that is Ax +By = C we can write it in the form of

By = C - Ax

y = \frac{-A}{B}x +\frac{C}{B}

which is in the form of y = mx +c

where m is the slope of the line and c is y intercept made by the line.

comparing  y = \frac{-A}{B}x +\frac{C}{B} and  y = mx +c

we get that \frac{-A}{B} =m and \frac{-C}{B} = c

since it is given that slope of the line is -7 therefore m = -7 and c = 0

therefore  \frac{-A}{B} =-7 and \frac{-C}{B} = 0

therefore C = 0 , A = 7 and B = 1

therefore the equation becomes 7x + y = 0

3 0
3 years ago
Suppose AB = 10 cm, BC = 9 cm, AC = 11 cm, DE = 11 cm, and DF = 9 cm. What else do you need to know to prove that the two triang
Makovka662 [10]
Two triangles must be congruent by SSS when their all sides would be equal.
So, BC = DF
AC = DE
Then, AB = EF = 10

In short, Your Answer would be Option B

Hope this helps!
8 0
3 years ago
Given the equation: y=(x-1)(x+3). what are the x-intercepts? *
Anna11 [10]

Answer:(

(1,0),(-3,0)

Step-by-step explanation:

4 0
3 years ago
4 Pencils and 2 rulers cost $8. 2 pencils and 4 rulers cost $10. Find the cost of 3 rulers and 3 pencils
Marat540 [252]

Answer:

4 pencil & 2 ruler = $8

2 pencil & 4 ruler = $10

let the no. of Pencil be X and no. of ruler be Y

4x + 2y = 8

2x + 4y= 10

solving the equation by elimination method,

multiplying eq 2 with 2

4x + 2y = 8

4x + 8y = 20

subtracting,

- 6 y = -12

y = 2

2x + 4(2)= 10

2x + 8 = 10

2x = 10 - 8

2x = 2

x = 1

Cost of 3 ruler + 3 pencil

= 3(1) + 3(2)

= 3 + 6

= 9

<h2 /><h2>= $9</h2>
4 0
1 year ago
Read 2 more answers
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