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3 years ago

Write an equation in point-slope form for the line through the given point with the given slope.

Mathematics

1 answer:

Lilit [14]3 years ago

7 0

The correct answer is D) y + 1 = 4/3(x - 9)

In order to find this, simply take the point and the slope and plug into the base form of point-slope form.

y - y1 = m(x - x1)

Use the slope for m and the point for (x1, y1)

y + 1 = 4/3(x - 9)

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20 pointss please help I appreciate it <333

ivanzaharov [21]

Answer:

DE = 7.07 RS = 11.04 not congruent

Step-by-step explanation:

Formula:

$d=\sqrt{(x2-x1)^2 + (y2-y1)^2}$

D (5,0) E (0,-5)

$d=\sqrt{(0-5)^2 + ( -5 - 0)^2}$

$d=\sqrt{(-5)^2 + (-5)^2}$

$d=\sqrt{25+25}$

$d=\sqrt{50}$

d= 7.07

R (-5,-5) S (6,-6)

$d=\sqrt{(6-(-5))^2 + (-6 - (-5))^2 }$

$d=\sqrt{11^2 + (-1)^2}$

$d=\sqrt{121 + 1}$

$d=\sqrt{122}$

d= 11.04

3 0

3 years ago

F f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?

Oliga [24]

<h2>Subtracting Functions</h2><h3>Answer:</h3>

$6(3) -4 +3^2$

<h3>Step-by-step explanation:</h3>

Given:

$f(x) = 4 -x^2$

$g(x) = 6x$

Before we find the expression of $(g -f)(3)$ , we must first know how $(g -f)(x)$ is defined.

$(g -f)(x) = g(x) -f(x) \\ (g -f)(x) = 6x -(4 -x^2) \\ (g -f)(x) = 6x +x^2 -4 \\ (g -f)(x) = x^2 +6x -4$

Now we can find $(g -f)(x)$ .

$(g -f)(3) = (3)^2 +6(3) -4$

6 0

3 years ago

Read 2 more answers

A sauce recipe calls for a cup of chicken broth. To make enough sauce for a party, Marcy needs to triple the

tia_tia [17]

Answer:

She estimates that the tripled recipe will need

✔ less than 3

cups of chicken broth.

The exact amount of chicken broth needed is

✔ 9/4

cups.

Step-by-step explanation:

4 0

3 years ago

which equation is the quadratic variation equation for the relatonship? the variable y varies directly with x^2 and y=36 when x=

svetoff [14.1K]

For this case we have a direct variation of the form:

$y = kx ^ 2$

Where,

<em>k: proportionality constant </em>

We must find the value of k.

For this, we use the following data:

$y = 36\\x = 3$

Therefore, replacing values we have:

$36 = k (3) ^ 2$

Rewriting:

$36 = 9k$

Clearing the value of k we have:

$k = \frac {36} {9}\\k = 4$

Therefore, the direct variation equation is given by:

$y = 4x ^ 2$

Answer:

The quadratic variation equation for the relatonship is:

$y = 4x ^ 2$

8 0

3 years ago

I need help!!! Please figure it out and type it out.

rodikova [14]

Answer:

the mean number is 2.7

Step-by-step explanation:

if you add up the frequency of books then divide by 20 you get 2.7

7 0

3 years ago