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3 years ago

8

PLEASE HELP ME!!! I NEED HELP WITH GEOMETRY QUESTION ASAP!! DESPRATLY

1 answer:

BartSMP [9]3 years ago

4 0

Answer:

The answer to your question is: y = -3x + 14

Step-by-step explanation:

Data

A (4, 2)

y = x/3 - 1

Perpendicular

original slope = 1/3

perpendicular slope = -3

Equation (y - y1) = m(x - x1)

(y - 2) = -3(x - 4)

y - 2 = -3x + 12

y = -3x + 12 + 2

y = -3x + 14

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WHAT IS X³-27 SIMPLIFIED

Eduardwww [97]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>(</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>)</u><u>³</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u>(</u><u>3</u><u> </u><u>-</u><u> </u><u>x</u><u>)</u>

Step-by-step explanation:

Express 27 in terms of cubes, 27 = 3³:

$= {x}^{3} - {3}^{3}$

From trinomial expansion:

${(x - y)}^{3} = (x - y)(x - y)(x - y) \\$

open first two brackets to get a quadratic equation:

${(x - y)}^{3} = ( {x}^{2} - 2xy + {y}^{2} )(x - y)$

expand further:

${(x - y)}^{3} = {x}^{3} - y {x}^{2} - 2y {x}^{2} + 2x {y}^{2} + x {y}^{2} - {y}^{3} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} + 3x {y}^{2} - 3y {x}^{2} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} + 3xy(y - x) \\ \\ { \boxed{( {x}^{3} - {y}^{3} ) = {(x - y)}^{3} - 3xy(y - x)}}$

take y to be 3, then substitute:

$( {x}^{3} - 3^3) = {(x - 3)}^{3} - 9x(3 - x)$

5 0

3 years ago

The total length of wire needed to fasten 175 bundles is 2,975 cm.

UkoKoshka [18]

According to the conversion table we know,

1 meter = 100cm

This means if we need to convert meters to centimeters, we need to multiply by 100

Or

If we need to convert from centimeters to meters, we need to divide by 100.

Here the length of the wire needed to wrap 175 bundles = 2975 cm.

Now as we need to convert it to meters.

We need to divide this by 100.

We get

2975/100= 29.75

So 2975 cm = 29.75 m

Option D) is the right answer

3 0

3 years ago

Read 2 more answers

What is the sum of m A and m B if angles A and B are supplementary?

jok3333 [9.3K]

Answer:

following

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

How do you factor 14xy + 21x

jek_recluse [69]

Answer:

7x(2y+3)

Step-by-step explanation:

5 0

3 years ago

Which number line models the sum of 1+(−2) correctly?

Tomtit [17]

Answer:

option 3

Step-by-step explanation:

you add one, so the arrow goes one space to 1

since youre sutracting -2, the arrow goes ack two spaces to -1

7 0

3 years ago