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algol13
4 years ago
8

Find the area of the shaded triangle

Mathematics
1 answer:
labwork [276]4 years ago
6 0
Area of ∆= ½b×h
=½54×33
=27 × 33
= 891cm²
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Does every distinct factor of 24 have a partner why or why not
Tcecarenko [31]
Does every distinct factor of 24 have a partner
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3 years ago
A deep sea diver must descends below the surface of the water at a rate of 60 feet each minute. what is the depth of the diver a
lianna [129]

60 \times 10 = 600
Explanation - 60 feet per minute, 10 minutes times 60 feet, answer is 600 feet
5 0
3 years ago
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For the lines x=3t, y=1-2t, z=2-3t and x (3, 1, 4) +s(-9, 6, 9) (a) Show that the lines are parallel. (b) Calculate the distance
son4ous [18]

Answer:

Step-by-step explanation:

Given lines in parametric form

line L_1

\frac{x}{3}=\frac{y-1}{-2} =\frac{z-2}{-3}

direction vector of L_1 v_1=

Line L_2

direction vector of L_2 v_2=

therefore

v_2=-3v_1

thus lines are parallel.

(ii)distance between two lines is

L_2 is given by

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\frac{x-3}{-3}=\frac{y-1}{2} =\frac{z-4}{3}=3s

\left | \frac{\begin{vmatrix}x_2-x_1 &y_2-y_1 &z_2-z_1 \\ a_1&b_1&c_1 \\ a_2&b_2&c_2\end{vmatrix}}{\sqrt{\left ( a_1b_2-a_2b_1 \right )^2+\left ( b_1c_2-b_2c_1 \right )^2+\left ( c_1a_2-c_2a_1 \right )^2}}\right |

where a_1=3

b_1=-2

c_1=-3

a_2=-9

b_2=6

c_2=9

distance(d)=0 units since value of the matrix

\begin{vmatrix}x_2-x_1 &y_2-y_1 &z_2-z_1\\ a_1&b_1&c_1 \\a_2&b_2 &c_2 \end{vmatrix}

is zero

6 0
3 years ago
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MariettaO [177]
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7 0
3 years ago
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zimovet [89]

Answer:

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-x = -9

x = 9

4 0
3 years ago
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