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True [87]
3 years ago
7

Whats the answer plesee and thank you!!!!

7D%20" id="TexFormula1" title=" \frac{4}{9} = {36}{n} " alt=" \frac{4}{9} = {36}{n} " align="absmiddle" class="latex-formula">
​

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0
N=1/81 Look at the pic for more details and i got the pic from photomath

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Im confused, not sure how to do this. Please help me it is geometry, specifically perpendicular lines with an equation and a poi
marishachu [46]
The line y = -3 is a horizontal line. The perpendicular line will be vertical, so will have an equation of the form
  x = c
for some constant c.

You want the vertical line to go through the point (4, -6), so the required value of c is the x-value of that point: 4

Your equation is
  x = 4

7 0
3 years ago
Find a vector parametrization for the line with the given description. Perpendicular to the yz-plane, passes through (0, 0, 8)
Brilliant_brown [7]

Answer:

\left\{\begin{array}{l}x=t\\ \\y=0\\ \\z=8\end{array}\right.

or

\overrightarrow{(t,0,8)}

Step-by-step explanation:

yz-plane has the equation x=a, where a is a real constant. The normal vector of this plane (vector perpendicular to the plane) is

\overrightarrow {n}=(1,0,0)

If the line is perpendicular to this plane, then it is parallel to the normal vector, so the equation of this line is

\dfrac{x-x_0}{1}=\dfrac{y-y_0}{0}=\dfrac{z-z_0}{0},

where (x_0,y_0,z_0) are coordinates of the point the line is passing through.

In your case, the line is passing through the point (0,0,8), so the canonical equation of the line is

\dfrac{x-0}{1}=\dfrac{y-0}{0}=\dfrac{z-8}{0}

Write a vector parametrization for this line

\left\{\begin{array}{l}\dfrac{x-0}{1}=t\\ \\\dfrac{y-0}{0}=t\\ \\\dfrac{z-8}{0}=t\end{array}\right.\Rightarrow \left\{\begin{array}{l}x=t\\ \\y=0\\ \\z=8\end{array}\right.

3 0
3 years ago
PLS HELP ME...<br> Give five ordered pairs on the graph of y = -0.5x.
goblinko [34]

Answer:

(0,0) (-2,1) (-4,2) (-6,3) (-8,4)

Step-by-step explanation:

Hope this helps!

6 0
3 years ago
Glenn spends 105 minutes exercising every day. He spends 3 fifths of the time running. How much time dose Glenn spend running?
lozanna [386]

Answer: 63 mins

Step-by-step explanation:

105(\frac{3}{5})=63

7 0
3 years ago
Cedric opened a new gallon jug of milk and poured ¾ cup of milk for his mom, ½ cup milk for his little sister and 2 cups of milk
julia-pushkina [17]

Answer:

12 _3/4

Step-by-step explanation:

3/4 + 1/2 + 2 = 3_1/4

16 cups in a gallon

16-3_1/4

=12_3/4

7 0
3 years ago
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