3 years ago

Given the equation, y= ; x-4, what is the slope and the y-intercept?

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

4 0

Answer: Slope is 1 because if we have x by itself, we assume it is only one.

y-intercept because according to the slope intercept formula, (y=mx+b), it is in the correct spot.

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PLEASE HELP<br> solve for V

motikmotik

Answer:

-102.4 = v

Step-by-step explanation:

-15.9 = -3.1 + v/8

Add 3.1 to each side

-15.9 + 3.1 = -3.1+3.1 + v/8

-12.8 = v/8

Multiply each side by 8

-12.8 * 8 = v/8*8

-102.4 = v

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2 years ago

A beach ball rolls off a cliff and onto the beach. The height, in feet, of the beach ball can be modeled by the function h(t)=64

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You are given h(t) = 64–16t^2.

You need to find h(1.25).

Set up:

h(1.25) = 64 - 16(1.25)^2

Take it from here.

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3 years ago

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Consider the following position function. Find (a) the velocity and the speed of the object and (b) the acceleration of the obje

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Answer:

Step-by-step explanation:

Given that the position vector of a moving body at time t is

$r(t) = (3t ^6,6t - 5,2 + 3t), t\geq 0$

Velocity is the derivative of acceleration

v(t) = $(18t^5, 6, 3)$ , t positive

Speed would be the magnitude of the velocity and will not have direction

Speed = $\sqrt{324t^{10}+36+9 } \\=\sqrt{324t^{10}+45)$

Acceleration of the object

a(t) = derivative of velocity of vector

= $(90t^4, 0,0)$

i.e. acceleration would be in the direction of x axis alone.

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3 years ago

Find the solution to the system of equations.<br><br> y = -4x - 3 and y = x + 3

I am Lyosha [343]

Answer:

x=-y+3/4

second one x=y-3

Step-by-step explanation:

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3 years ago

Add. x−2x2−6x+8+x−4x2−16

Anastaziya [24]

Step 1. Gather like terms

$(x-6x+x)+(-2 x^{2} -4 x^{2})+8-16$

Step 2. Simplify

$-4x-6 x^{2}+8-16$

Step 3. Simplify

$-4x-6 x^{2}-8$

Done!

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3 years ago