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2 years ago

Write the linear eqaution in slope form for x and y. 1/3x+y=-2

Mathematics

1 answer:

Anit [1.1K]2 years ago

4 0

Answer:

y = -1/3x -2

Step-by-step explanation:

Slope intercept form of a line is

y= mx+b

We need to solve for y

1/3x +y = -2

Subtract 1/3x from each side

1/3x -1/3x +y =-1/3x -2

y = -1/3x -2

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rewona [7]

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Find the surface area of a pyramid with a square base with dimensions 100 mm by 100 mm and height of 75 mm.

Reil [10]

To solve for the surface area of the pyramid, we make use of the formula:

A= l w + l [sqrt ((w / 2)^2 + h^2)] + w [sqrt ((l / 2)^2 + h^2))

where,

l and w are the base of the pyramid = 100 mm

h is the height of the pyramid = 75 mm

Substituting the given values into the equation:

A= 100 * 100 + 100 [sqrt ((100 / 2)^2 + 75^2)] + 100 [sqrt ((100 / 2)^2 + 75^2))

A = 10,000 + 100 (sqrt 2575) + 100 (sqrt 2575)

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2 years ago

A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 52t - 16t^2 . What i

Nata [24]

Answer: 42.25 feet

Step-by-step explanation:

We know that after "t" seconds, its height "h" in feet is given by this function:

$h(t) = 52t -16t^2$

The maximum height is the y-coordinate of the vertex of the parabola. Then, we can use the following formula to find the corresponding value of "t" (which is the x-coordinate of the vertex):

$x=t=\frac{-b}{2a}$

In this case:

$a=-16\\b=52$

Substituting values, we get :

$t=\frac{-52}{2(-16)}\\\\t=1.625$

Substituting this value into the function to find the maximum height the ball will reach, we get:

$h(1.625) = 52(1.625) -16(1.625)^2\\\\h(1.625) =42.25\ ft$

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2 years ago

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madreJ [45]

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2 years ago

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Y = -2x+ 7 has this type of slope<br> A.positive<br> B.negative<br> C.Zero<br> D.undefined

grigory [225]

Answer:

B: Negative

Step-by-step explanation:

-2/1 is the slope which is negative.

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3 years ago