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Tom [10]
3 years ago
15

Plx help me

Mathematics
1 answer:
dezoksy [38]3 years ago
5 0

Answer:

3600 yards

Step-by-step explanation:

  1. 400      900
  2. 800     1800
  3. 1200   2700
  4. 1600   3600
  5. 2000
  6. 2400
  7. 2800
  8. 3200
  9. 3600  
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The area of a rectangle or a 48 square inches the length is 8 inches what is the measure of its width
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The volume of a pyramid is 47 3. The height of the pyramid is 6 meters. What is the area of
AlladinOne [14]

473x6= 2,838

the answer should be 2,838?

8 0
3 years ago
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+{-x2y+[-(x2y-2xy2+y2)+(-xy2-3y2+x2y)]-(10y2-x2y)}
Kay [80]

Answer:

3xy² -  14y²      

Step-by-step explanation:

I hope that this is the problem

   - x²y + [ - (x²y - 2xy² + y²) + (xy² - 3y² + x²y)] - (10y² - x²y)

= - x²y + [ - x²y + 2xy² - y² + xy² - 3y² + x²y] - 10y² + x²y

Now combine like terms in the [  ].

= - x²y  + [ -x²y + x²y + 2xy² + xy² - y² - 3y² ] - 10y² + x²y

= - x²y  + [ 0 + 3xy² - 4y²] - 10y² + x²y

= - x²y + 3xy² - 4y² -10y² + x²y                      Now combine like terms

=   (-x²y + x²y) + 3xy² + (-4y² - 10y²)

=       0 + 3xy² - 14y²

=  3xy² -  14y²       or    y²(3x - 14)

6 0
3 years ago
Simplify the following square root:
GrogVix [38]
I don’t think this exact answer is there

5 0
3 years ago
Solve using substitution<br><br> y=1/2x<br> x+4y=18
Aleks [24]

Answer:

The solution set is (6,3)

Step-by-step explanation:

Begin by multiplying equation 1 by 2. You'll see why in a moment

2y = 2*(1/2) x

2y = x

Substitute this value into equation 2.

2y + 4y = 18                  Combine like terms on the left

6y = 18                          Divide both sides by 6

6y/6 = 18/6                    Do the division

y = 3

To solve for x just use the top equation

y = 1/2x

3 = 1/2x                          Multiply by 2

3*2 = x

x = 6


7 0
3 years ago
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