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Vladimir79 [104]
3 years ago
12

15 x 6t = 81 what is t?

Mathematics
2 answers:
S_A_V [24]3 years ago
8 0
 15 x 6t = 81

Multiply 15 by 6

90t = 81

Divide both sides by 90

t = 81/90
Leya [2.2K]3 years ago
4 0
6t x 15 = 90t

90t = 81 Divide both sides of the equation by 90 to isolate t

81/90 = .9

t = .9
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Write the point-slope form of the line that passes through (5,5) and is perpendicular to a line with a slope of 1/4 include all
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<u>Answer:</u>

The point-slope form of the line that passes through (5,5) and is perpendicular to a line with a slope of \frac{1}{4} is 4x + y -25 = 0

<u>Solution:</u>

The point slope form of the line that passes through the points \left(x_{1} y_{1}\right) and perpendicular to the line with a slope of “m” is given as  

\bold{y-y_{1}=-\frac{1}{m}\left(x-x_{1}\right)} ---- eqn 1

Where “m” is the slope of the line. x_{1} \text { and } y_{1} are the points that passes through the line.

From question, given that slope “m” = \frac{1}{4}

Given that the line passes through the points (5,5).Hence we get

x_{1}=5 ; y_{1}=5

By substituting the values in eqn 1 , we get the point slope form of the line which is perpendicular to the line having slope \frac{1}{4}can be found out.

y - 5 = -4(x - 5)

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