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Damm [24]
3 years ago
10

Write an equation of the line that passes the points (-9,2) and is perpendicular to the line y=3x-12

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0
If I’m correct use the slope −13 - 1 3 and a given point (−9,2) ( - 9 , 2 ) to substitute for x1 x 1 and y1 y 1 in the point-slope form y−y1=m(x−x1) y - y 1 = m ( x - x 1 ) , which is derived from the slope equation m=y2−y1x2−x1 m = y 2 - y 1 x 2 - x 1 .
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Can anyone help me please? thanks ^^
Mazyrski [523]

Answer:

Yes; they are congruent

SSS

Step-by-step explanation:

Here, we want to check if the given triangles are congruent

From what we have, we can see that all three sides are marked for both triangles

So the sides of the triangles are income

So therefore, the triangles are congruent by SSS

6 0
2 years ago
Singing "row, row, row your boat," in a round (each group starting at a different time) would be considered which texture? music
tester [92]
Yuh, ooh, brr, brr
Gucci gang, ooh
<span>(That's it right there, Gnealz)</span>
Yuh, Lil Pump, yuh
Gucci gang, ooh
<span>(Ooh, Bi-Big Head on the beat)</span>
<span>Yuh, brr</span>
5 0
3 years ago
3x=-5y<br> 6x-7y=17 <br> Solve the equation
love history [14]
3x = -5y -------------- (1)
6x - 7y = 17 --------- (2)

From (1):
3x = -5y
x = -5/3 y ---------- sub into (2)

6 (-5/3 y) - 7y = 17
-10y - 7y = 17
-17y = 17
y = -1 ------------ Sub into (1)
3x = -5 (-1)
3x = 5
x = 5/3

Ans: x = 5/3, y = -1

7 0
3 years ago
How do i simplify -9x^3+8x^2-(7x/6)-(-7)
cricket20 [7]
Multiply -1 by -7
-9x^3 + 8x^2 - 7x/6 + 7
7 0
3 years ago
The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to det
Maru [420]

Answer:

0.077994

Step-by-step explanation:

Given that the owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.

H_0: Mean = 30\\H_a: Mean >30

(Right tailed test)

Sample size = n=250

Sample mean = 30.45

Mean difference =30.45-30=0.45\\

Sample std dev s = 5

Sample std error = \frac{5}{\sqrt{n} } =\frac{5}{\sqrt{250} } \\=0.3163

Test statistic = Mean diff/std error = =\frac{0.45}{0.3163} =1.423

Since population std deviation is not know we use t test

p value = 0.077994

4 0
3 years ago
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