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nekit [7.7K]
2 years ago
8

PLEASE HELP ITS URGENT DONT GUESS WILL MARK BRAINLIEST

Mathematics
1 answer:
AnnyKZ [126]2 years ago
5 0

Answer:

Listed below:

Step-by-step explanation:

P: 192

A:2079

B. Area

C. Perimeter

Hope this helps :)

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Find an equation for the line perpendicular to 4x+12y=72 and goes through the point (-9,6)
il63 [147K]

Answer:

Step-by-step explanation:

Given the equation

4x+12y=72

The equation of a line can written as

y=mx+c

Where m is the slope

And c is the intercept on y axis

Then, we need to write the equation given in the form of equation of a line (y=mx+c), by making y subject of the formula

4x+12y=72

12y=-4x+72

Divide through by 12

y=-4x/12 + 72/12

y=-⅓x+6

Then, comparing with equation of a line shows that

m=-⅓ and c=6

So we need to get another linen that is perpendicular to this line and passes through the point (-9,6)

The slope of the line perpendicular to another line is given as

m1=-1/m2

Then, m1=-1÷-⅓

Then, the slope of the perpendicular line is 3

Then, m=3

So apply this to equation of the line

y=mx+c

Then, y=3x+c

So to know c, we will insert the point given(-9,6), x=-9 and y=6

y=3x+c

6=3(-9)+c

6=-27+c

Then, c=6+27

c=33

Then, the equation of line becomes

y=3x+33

7 0
3 years ago
Need help with this math problem ​
azamat

Answer: 12in

Step-by-step explanation:

Length+width+length+width

8 0
3 years ago
Read 2 more answers
Ryan spent 24 months living in San Diego.
sertanlavr [38]

Answer:

nothing

Step-by-step explanation:

nothing

8 0
3 years ago
Read 2 more answers
what is peter's number? "if you subtract 12 from my number and multiply the difference by -3, the result is -54
lara31 [8.8K]

Answer:

30

Step-by-step explanation:

-54/-3 = 18

18+12 = 30

7 0
3 years ago
What is the perimeter of rhombus LMNO? 20 units 24 units 40 units 48 units
NeTakaya
The little lines on each side of the rhombus mean that all the sides are the same length.

We can set line LM and MN equal to solve for X, then we can solve the length of a side.

3x-3 = x+7

Add 3 to each side:
3x = x +10

Subtract x from each side:

2x = 10

Divide both sides by 2:
x = 10/2
x = 5

Now we have the value for x, replace x in one of the side formulas:

x +7 = 5+7 = 12

Each side = 12 units.

 The perimeter would be 12 + 12 + 12 + 12 = 48 units.



3 0
3 years ago
Read 2 more answers
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