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3 years ago

What is the slope of the line through the points (1,3) and (4,-1)?

Mathematics

2 answers:

REY [17]3 years ago

6 0

Answer:

-4/3

Step-by-step explanation:

Finding slope can be done with this formula

Y2 - Y1/X2 - X1

Input

-1-3 = -4, 4-1= 3

Answer

-4/3

Katarina [22]3 years ago

5 0

Answer:

Slope (m) = -4 /3

= -1.3333333333333

Step-by-step explanation:

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A refreshment stand makes 2 large servings of frozen yogurt from 3 pints. Add the line to the graph and write the equation.

nignag [31]

Answer:

$y=(2/3)x$

The graph in the attached figure

Step-by-step explanation:

Let

x-----> the number of pints

y----> the number of servings

For x=3 pints, y=2 servings

This is a proportional variation

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

The linear equation is equal to

$y=(2/3)x$

The graph in the attached figure

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3 years ago

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A spherical block of ice melts so that its surface area decreases at a constant rate: ds/dt = - 8 pi cm^2/s. calculate how fast

sveticcg [70]

The rate a which the surface area, S, decreases is
$\frac{dS}{dt} =-8 \pi \, cm^{2}/s$

The surface area is
S = 4πr²
where r = the radius at time t.

Therefore
$\frac{dS}{dt} = \frac{dS}{dr} \frac{dr}{dt} =8 \pi r \frac{dr}{dt} \\\\ -8 \pi = 8 \pi r \frac{dr}{dt} \\\\ \frac{dr}{dt} =- \frac{1}{r}$

When r = 3 cm, obtain
$\frac{dr}{dt}]_{r=3} = - \frac{1}{3} \, cm/s$

Answer: -1/3 cm/s (or -0.333 cm/s)

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3 years ago

There are 23 boys and 35 girls on the school's track and field team. After q boy at random to represent the school for an event

MA_775_DIABLO [31]

Answer:the value of q is48

Step-by-step explanation:

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2 years ago

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erastovalidia [21]

Answer:

I thinks its, -7a+b-3c+26

Step-by-step explanation:

idk

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