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2 years ago

What equation represents a line which is perpendicular to the line y=-2/5x + 5

Mathematics

1 answer:

Vilka [71]2 years ago

5 0

Answer: y = 5/2 x + 5 or more clearly: $y = \frac{5}{2}x+ 5$

Step-by-step explanation: Slope intercept form y = mx + b

m is the slope, b is the y-intercept

To write the equation for a perpendicular line

Both lines could share the y-intercept, (0,5) so the "b" term can be the same. But it may be different. The slope of a perpendicular line is the reciprocal of the original slope with the opposite sign.

So invert 2/5 to become 5/2 and change the negative sign to positive.

The resulting equation is y = 5x/2 + 5 or y = 2.5x + 5

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The formula that describes an object's motion is given by S=ut+1/2at^2 , where S is the distance traveled, u is the initial velo

RSB [31]

S = ut + (1/2)a(t²) Subtract ut from both sides
(1/2)a(t²) = S - ut Multiply both sides by 2
a(t²) = 2s - 2ut Divide both sides by t²
a= 2s/t² - 2u/t

a= (2S - 2ut)/t²

Answer is C) but there should be parentheses around the term (2S-2ut)

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2 years ago

The scale for a scale drawing is 8 millimeters: 1 centimeter. Which is larger,the actual object or the scale drawing? PLEASE PLE

Daniel [21]

The centimeter is bigger

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2 years ago

What Is the area of the shaded part???

Aloiza [94]

Answer: The area of the shaded region is 27.74 centimeters squared

Step-by-step explanation: The diagram shows a two-in-one figure, a circle inscribed in a rectangle. The shaded region is the part of the rectangle not covered by the circle, hence we would have to subtract the area of the circle from that of the rectangle.

Area of Rectangle = L x W

Area of rectangle = 8 x 7

Area of rectangle = 56

Also,

Area of circle = Pi x r^2

Area of circle = 3.14 x 3^2

Area of circle = 3.14 x 9

Area of circle = 28.26

Area of shaded region is given as area of rectangle minus area of circle

Therefore, shaded region = 56 - 28.26

Area of shaded region = 27.74 centimeters squared

3 0

2 years ago

Joe's boat rental rents paddle boats for $8.00 and the paddles rent for $5.00 for the day. If David has $45, what is the least a

Lisa [10]

Answer:

Minimum hour = 177 hour

Step-by-step explanation:

Given:

Paddle boats rent = $8

Paddles rent = $5 Per 24 hours

Total amount = $45

Find:

Number of hour David rent paddle boat

Computation:

8 + (5/24)n = 45

(5/24)n = 37

n = 177.6 hour

Minimum hour = 177 hour

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2 years ago

Help me PLEASE asap !! ill mark u as brainliest but you have to be CORRECT

mariarad [96]

Y=14.5
x=7
40=(34-2x)+(3x-1)
140=(3y+6)+(5y+18)

3 0

2 years ago