3 years ago

What is an equation in point-slope form for the line perpendicular to y=3x+9 that contains (-6,5)?

1 answer:

4 0

To be perpendicular, the slope of the new line has to have the reciprocal of the original slope.

Do this by flipping the slope (ifi t's a whole number make it a fraction) and change the sign.

3 ⇒ -1/3

Input x and y and solve for b.

5 = -1/3(-6) + b
Simplify.
5 = 2 + b
Subtract 2 from both sides.
3 = b

y = -1/3x + 3

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Y varies directly as x = 1/2 and y = 5/4. what is x when y is 60

Akimi4 [234]

Answer:

X is 24

Step-by-step explanation:

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3 0

3 years ago

there are 2,300 licensed dogs in clarkson. A random sample of 50 of the dogs in Clarkson shows that 8 have ID microchips implant

algol [13]

Set up a ratio comparing the sample portion to the whole portion.

x= # of all dogs likely to have chip

Sample: 8 out of 50
Whole: x out of 2,300

8/50= x/2300
cross multiply

(50*x)= (8*2300)
50x= 18400

divide both sides by 50
x= 368

ANSWER: 368 dogs in Clarkson are likely to have a microchip.

Hope this helps! :)

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3 years ago

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They site there sources or give information to prove why there point is correct

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3 years ago

If 4x = 28 then x = 7

Contact [7]

Answer:

correct