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NNADVOKAT [17]
3 years ago
10

Which 1 is the equation 3x+9y=7 that passes through (6,4)

Mathematics
1 answer:
algol [13]3 years ago
6 0
Perpendicular lines have an negated inverse slope compared to a given line. so we need to find slope of line:
3x + 9y = 7
y = -1 / 3 x + 7

so the opposite of -1/3 is 1/3. flip the fraction to get the inverse and it is 3/1 or 3. 3 is then the slope of perpendicular line. now we see which one will work with it. there are 2 possible
3x+ 4 = y
3x - 14 = y

plug in the point on line and see if it works
3 (6) + 4 = 4 nope

3 (6) -14 = 4 yes
so 3x - 14 = y
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2 years ago
What is m 1.50°<br> 2. 35°<br> 3.130°<br> 4.95
Ann [662]

Answer:

∠ A = 50°

Step-by-step explanation:

The angle adjacent to 145° inside the triangle is

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6 0
2 years ago
15 pts! Will Give Brainliest Halp! PLZ
aivan3 [116]

Theres a saying: Dividing fractions dont ask why, just flip the second and multiply.

so a/b / c/d = a/b * d/c

-8/2 * -3/6

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4/2 * -3/3

2. Multiply

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3 0
3 years ago
Read 2 more answers
K-x=y+w, for x<br> Solve the equation for each indicated variable
sveta [45]

Answer:

-x=y+w-k

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8 0
3 years ago
Ok I rlly need help with this question it’s rlly hard for me there’s a picture to show —&gt; helppp
Whitepunk [10]

Answer:

x=20; vertical angles theorem

Step-by-step explanation:

hi! we can use the vertical angles theorem for this. vertical angles are congruent to each other, meaning they are the same amount of degrees. so, we can set 2x+10 and 50 equal to each other.

2x+10=50

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x=20 because of the vertical angles theorem.

8 0
3 years ago
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