3 years ago

Find an equation for the plane consisting of all points that are equidistant from the points (4, 0, −2) and (6, 14, 0).

1 answer:

7 0

-6

it does not have unique sol cuz determinant of coefficients is 0. so it's consistent if it has infinite solutions
so just consider a(eq1)+b(eq2)=eq3

Mark brainliest please

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Find the value of x, given cos 0 = 0.4 PLEASE HELP!!!!!! And explain if possible

elena-14-01-66 [18.8K]

Answer:

$x=30$

Step-by-step explanation:

For each right-angled triangle:

$\cos\theta=\frac{cathetus \ adjacent \ \theta}{hypotenuse}$

Because $\cos \theta=0.4, \ \ cathetus\ adjacent \ \theta \ = \ 12, \ \ \ hypotenuse=x$

we have an equation

$0.4=\frac{12}x$

multiplying both sides by x, we get $0.4x=12$

dividing both sides by 0.4 and $x=\frac{12}{0.4}$

using calculator, we divide 12 by 0.4

and finally x=30

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Step-by-step explanation:

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3 years ago

If n(A) =15 n (B) = 9 n(A∩B) =4 find n(A U B)

Xelga [282]

Answer:

Step-by-step explanation:

n(A) only =15-4=11

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3 years ago

At what point do the lines y = 6x – 18 and y=8x – 32 intersect?

anzhelika [568]

Answer:

(7, 24)

Step-by-step explanation:

Solve the system:

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