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kobusy [5.1K]
2 years ago
14

What is the slope and y-intercept of x/3= -y+2 and how?????

Mathematics
1 answer:
Katarina [22]2 years ago
6 0
Subtract 2 from both sides

then you get -y equals 1/3x -2 so you have to flip the sign of the entire equation because you can’t have a negative line

so you get y = -1/3x + 2

the y-intercept is (0,2)

the slope is -1/3x (aka -x/3)
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Find the surface area of a cylinder with a base radius of 2 cm and a height of 3 cm.
jek_recluse [69]

Answer: 62.8cm^2

Step-by-step explanation:

The surface area of a cylinder is calculated by 2πrh+2πr2

where π is a constant, given as 3.14; h is the height, given as 3cm and r is radius, given as 2cm.

Therefore, rh = 3 x 2= 6 cm ^2 while r^2 =2 × 2= 4 cm^2.

Slot the values into the formula:

V= 2 (3.14) x 6 + 2 (3.14) x 4

V=37.68 + 25.12

V=62.8cm ^2

I hope this helps

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3 years ago
Write an equation for the line that passes through the given point and is perpendicular to the graph of the given equation.
Nezavi [6.7K]

Answer:

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Step-by-step explanation:

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  • y + 4 = 2/3(x - 2)

It has a slope of 2/3.

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<u>Find its equation provided it passes through the point (4, - 2):</u>

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3 0
2 years ago
9/5 - (-6/10)<br> Khan academy needs either exact fraction or exact decimal
mixer [17]

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2 years ago
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hodyreva [135]

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Step-by-step explanation:

3 0
3 years ago
point T"(-2,5) is a vertex of triangle T"O"P". The original image was rotated 90° counterclockwise around the origin and rhen tr
emmainna [20.7K]

ANSWER

T(-2,1)

EXPLANATION

Let T(a,b) be the coordinates.

When this point is rotated 90° counterclockwise about the origin,

Then,

T(a,b)\to \: T'( - b,a)

If this point is then translated using the rule;

(x,y)\to (x-1,y+7)

then,

T(a,b)\to \: T'( - b,a) \to T"( - b - 1,a + 7)

It was given that, T"(-2,5)

This implies that,

-b-1=-2

-b=-2+1

-b=-1

b=1

a+7=5

a=5-7

a=-2

Therefore the coordinates of T are:

(-2,1)

4 0
3 years ago
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