3 years ago

What is the equation perpendicular to y= -3x and goes through the point (-1,0)?

Mathematics

1 answer:

Reika [66]3 years ago

5 0

Answer:

if the prodect is -1 the line are perpendicular to each other

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grigory [225]

Answer:

Step-by-step explanation:

11+9+2+9+6+17=54

54/6=9

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3 years ago

Suppose y varies directly with x, and y = 14 when x = -4. What is the value if y when x = -6?

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$\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf \textit{we know that } \begin{cases} y=14\\ x=-4 \end{cases}\implies 14=k(-4)\implies \cfrac{14}{-4}=k\implies -\cfrac{7}{2}=k \\\\\\ therefore\qquad \boxed{y=-\cfrac{7}{2}x} \\\\\\ \textit{when x = -6, what is \underline{y}?}\qquad y=-\cfrac{7}{2}(-6)\implies y=21$

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3 years ago

What is 1/10 of 3000?

antiseptic1488 [7]

Divide your 3000 in 10 parts and take one.
3000/10= 300

So 1/10 of 3000 is 300

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3 years ago

What fractions are equivalent to 8 over 12

tino4ka555 [31]

4/6, 16/24, 2/3 are all equivalent to 8/12.

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a test consists of 20 multiple choice questions plus 10 true or false questions. Barry got 4 questions wrong. what percent of hi

Olin [163]

Answer:

86.7%

Step-by-step explanation:

30-4=26

86.7%

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