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Mandarinka [93]
3 years ago
10

Find an equation of the plane. the plane through the point (2, 9, 4) and with normal vector 6i + j − k

Mathematics
1 answer:
nexus9112 [7]3 years ago
7 0
1) n(6;1;-1)=n(A;B;C), point A(2;9;4)=A(x₀;y₀;z₀);
2) common view for a plane according the conditions is: A(x-x₀)+B(y-y₀)+C(z-z₀)=0;
3) after substituted coordinates: 6(x-2)+(y-9)-(z-4)=0; ⇒ 6x+y-z-17=0.
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If 9 (x) = – 5x2 – 4x + 19 find f (–3)
Sliva [168]

Answer:

- 14

Step-by-step explanation:

f(x) =  - 5 {x}^{2}  - 4x + 19 \\ plug \: x =  - 3 \\ f( - 3) =  - 5 {( - 3)}^{2}  - 4( - 3) + 19 \\  f( - 3) =  - 5  \times 9   + 12 + 19 \\ f( - 3) =  - 45 + 31 \\ f( - 3) =  -14

7 0
3 years ago
Helppppppppppppppppppp ill mark you brainlist
erastovalidia [21]

c^2 = a^2 + b^2

c^2 = 16^2 + 20^2

c^2 = 256 + 400

c^2 = 756

Now, square root both sides.

<h2><em><u>c = 27.5 in</u></em></h2>
5 0
3 years ago
What is the quotient of 17 and x
GenaCL600 [577]

Answer:

4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please Help!
Bingel [31]
The tank is NOT filled with 8314.5 L of a liquid. I guess you meant <span>The tank is completely filled with 8314.5 grams of liquid." </span>
<span>(8314.5 g) / (230 L) = 36.15 g/L . Hope this helps!</span>
3 0
4 years ago
At midnight, the temperatures is -4 degrees Celsius. At noon, the temperature is 20 degrees Celsius. By how many more degrees Ce
8_murik_8 [283]
24 degrees celcius
-4 + 4 = 0
0 + 20 = 20
20 + 4 = 24 degrees celcius
4 0
3 years ago
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