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grigory [225]
3 years ago
14

2

Mathematics
1 answer:
Leokris [45]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Here, we want to get the equation of the line perpendicular to;

y = -3x + 2

From here, we can compare with the standard form of the equation of a straight line which is;

y = mx + c

From here m = -3

The slope is -3

Now, if two lines are perpendicular, the product of their slopes is -1

Thus;

-3 * m = -1

m = 1/3

So we want to select an equation out of the options that has a slope of 1/3

Let us take a look at the last option

x -3y = 3

3y = x-3

divide through by 3

y = x/3-1

So here the coefficient of x is 1/3 which is the slope of the perpendicular line that we are looking for and is our slope

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What is the surface area of this right rectangular prism?
tiny-mole [99]

Answer:

32 yd^2

Step-by-step explanation:

Ignore rounded approximations (i.e. 2.66, 1.33). For all calculations, use fractions and EXACT values.

This prism has 6 surfaces:

  1. Front: 3 x 2.66 = 8
  2. Back: 3 x 2.66 = 8
  3. Top: 3 x 1.33 = 4
  4. Bottom: 3 x 1.33 = 4
  5. Side: 1.33 x 2.66 = 4
  6. Side: 1.33 x 2.66 = 4

Total SA: 8(2) + 4(4) = <u>32 yd^2</u>

7 0
2 years ago
-4+5|4x-4|=21 solve for x
grin007 [14]

Answer:

Step-by-step explanation:

hello :

-4+5|4x-4|=21

add 4 : 5|4x-4| = 25

divid by 5 :  |4x-4| = 5  means : 4x-4 = 5   or 4x-4 = -  5  

4x=9 or 4x =-1

x= 9/4 or x = - 1/4

5 0
3 years ago
If d = the number of dogs, which variable expression represents the phrase below? the sum of the number of dogs and the 6 cats A
Naya [18.7K]
Hello! :)

The sum of the number of dogs and cats. 

Cats= 6

Dogs= d

It is asking for the sum. (the number added together)

d+6 or "C" is the correct answer.

~'Manda
5 0
3 years ago
Read 2 more answers
Add the followinf expresion<br>b. x- 3y + 4z , y – 2x- 8z ,5x – 2y – 3z ​
Mariana [72]

Answer:

4x - 4y - 7z

Step-by-step explanation:

x - 3y + 4z + y - 2x - 8z + 5x - 2y - 3z =

(x - 2x + 5x) + (y - 3y - 2y) + (4z - 8z - 3z) =

4x + (- 4y) + (-7z) =

4x - 4y - 7z <===

3 0
3 years ago
PLEASE HELP SOON! ALSO INCLUDE A SMALL EXPLANATION as well as the answer ! I am rewarding 100points if you answer quickly
alina1380 [7]

Answer:

the answer is B

f(x)=-2x+3

Step-by-step explanation:

to get the -2x I did --->

pick two points I used (0,3) and (1,1) and used the equation \frac{y2-y1}{x2-x1}

where y2 would be 1 and y1 would be 3

and where x2 would be 1 and x1 would be 0

so you would put the numbers in the equation which would look like\frac{1-3}{1-0}=\frac{-2}{1} and equal -2 which would be -2x in the answer

And the +3 is the y-intercept

4 0
3 years ago
Read 2 more answers
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