2 years ago

What is it plz answer

Mathematics

1 answer:

Masteriza [31]2 years ago

7 0

The answer is the second one

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What is standard form for 6.43999001 x 10^8

Romashka [77]

6.43999001
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once you are done moving the decimal you should end up with a whole number
you answer is (643, 999, 001)

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2 years ago

What type of system is the following set of equations?

iVinArrow [24]

$-3x+y=-2 \\
y-4=-6x \ \ \ |\times (-1) \\ \\
-3x+y=-2 \\
\underline{-y+4=6x} \\
-3x+y-y+4=6x-2 \\
-3x+4=6x-2 \\
-3x-6x=-2-4 \\
-9x=-6 \\
x=\frac{-6}{-9} \\
x=\frac{2}{3} \\ \\
y-4=-6 \times \frac{2}{3} \\
y-4=-4 \\
y=-4+4 \\
y=0 \\ \\
(x,y)=(\frac{2}{3},0)$

The system has one solution so it's A. consistent and independent.

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2 years ago

I rlly rlly need this badly, pls show work :(

elena55 [62]

1) 2x + 3y = 12 -> 3y = -2x +12 -> y = -2/3x + 4
2) 4y - 7x = 16 -> 4y = 7x + 16 -> y = 7/4x + 4

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2 years ago

Find the angle between u= V51 - 8; and v= 151+x. Round to the nearest tenth of a degree.

Igoryamba

Not sure if your trying to solve for x or v