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natulia [17]
3 years ago
7

Simplify expression √18x4y3

Mathematics
1 answer:
Ierofanga [76]3 years ago
6 0

3x {}^{2} y \sqrt{2y}
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A. What is the approximate perimeter of the concrete region?
Nastasia [14]
You have a square with half circles along the sides.
The length of each side is 4ft, so the radius of the circles is 2ft

to calculate the perimeter you can calculate the circumference of 4 half circles = 2 complete circles
c=2r*\pi=
2*2\pi=12.56
perimeter=2c=25.12=8\pi

the area is the area of 2 circles+the area of the square
circle area= r^2*\pi=2*2\pi=4\pi
concrete area=circle area*2+square area
=4\pi *2+(4*4)
=8\pi+(4*4)
=8\pi+16ft
=41.12 ft^2
7 0
3 years ago
Can someone help me 10 points
Elanso [62]

The two angles form a right triangle which is 90 degrees.

Add the two to equal 90:

3x-8 + 4x = 90

simplify:

7x-8 = 90

Add 8 to both sides:

7x = 98

Divide both sides by 7:

x = 14

3 0
3 years ago
Find the coordinates of the midpoint of HX given that H(-1,3) and X(7,-1).
Elis [28]
A. find the average of both x's for the x value, and the average of both y's for the y value. (-1+7)=3  (3+(-1))=1
8 0
3 years ago
Read 2 more answers
-5x + 10y =40<br> Solve intercept form
Tema [17]
I thought I knew the answer but I don’t Srry I need points
5 0
3 years ago
-(1+7x)-6(-7-x)=36 what is x equal to
Katyanochek1 [597]

Answer:

x = 5

Step-by-step explanation:

Step 1: Write equation

-(1 + 7x) - 6(-7 - x) = 36

Step 2: Solve for <em>x</em>

  1. Distribute: -1 - 7x + 42 + 6x = 36
  2. Combine like terms: -x + 41 = 36
  3. Subtract 41 on both sides: -x = -5
  4. Divide both sides: x = 5

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-(1 + 7(5)) - 6(-7 - 5) = 36

-(1 + 35) - 6(-12) = 36

-(36) + 72 = 36

-36 + 72 = 36

36 = 36

5 0
3 years ago
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