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ZanzabumX [31]
2 years ago
14

Pls help ASAP I’ll brainlest

Mathematics
2 answers:
DanielleElmas [232]2 years ago
8 0

Answer:

x=-0.26

Step-by-step explanation:

Serga [27]2 years ago
5 0
X=0.4

-7.5x+0.59=-2.41
add 0.59 to both sides
-7.5x=-3
divide by -7.5 on both sides
x=0.4
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Answer:

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A=2i+3j+4k

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Magnitude =\sqrt{3^2 + 1^2+ 7^2} \\\\Magnitude =\sqrt{9+1+49} \\\\Magnitude =\sqrt{59}

Direction of the sum of the vectors:

\widehat{A + B} =\frac{\overrightarrow{A + B}}{Magnitude\: of \:\overrightarrow{A + B}} \\\\\widehat{A + B} =\frac{3i + j + 7k}{\sqrt {59}} \\\\\widehat{A + B} =\frac{3}{\sqrt {59}} i +\frac{1}{\sqrt {59}} j+\frac{7}{\sqrt {59}} k\\\\Direction \: of \: \overrightarrow{A + B} = \frac{3}{\sqrt {59}} , \:\frac{1}{\sqrt {59}} , \:\frac{7}{\sqrt {59}} \\\\

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To compute the increment as a percentage use: increment/reference *100

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