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svp [43]
2 years ago
13

1. Subtract and simplify

Mathematics
1 answer:
hodyreva [135]2 years ago
5 0

Step-by-step explanation:

1-(-y^2-4y-8)-(-4y^2-6y+3)

Simplify: 3y^2+2y−11

Subtract: 3y^2+2y-11

2. 2x^2y^3z^2*4xy^4x^2

Simplify: 8x^5y^7z^2

Subtract: 8x^5y^7z^2

3. (x-4) (x^2-5x-6)

Simplify: x^3-9x^2+14x+24

Subtract: x^3-9x^2+14x+24

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What decimal is the largest? 0.025 0.026 0.25 0.24
nasty-shy [4]
0.25 is the largest decimal.
hope i helped;)
3 0
3 years ago
Read 2 more answers
8+0=0+8 is what property
lubasha [3.4K]

Answer:

The property used is the commutative property.

Step-by-step explanation:

In the commutative property, the sum is the same if you reorder the numbers.


I hope this helped! :-)

5 0
3 years ago
Read 2 more answers
3) Calculate the area of the entire triangle below. Show your work *<br><br> 22<br> 31<br> 8
dalvyx [7]

Answer:

a = 1/2 (b) (h)

Step-by-step explanation:

Use Pythagorean theorem for sub triangle on the left: 8^2 + h^2 = 22^2

Use Pythagorean again for sub triangle on the right: x^2 + h^2= 31^2

Find your base: 8+x=b

Find entire area: a = 1/2 (b) (h)

4 0
2 years ago
3. What is the answer to the second<br> example? -2+6 2x-6
kherson [118]
8/12
ceasxfewddsxcfd
6 0
2 years ago
Pls pls help<br> Show work :)
Natasha2012 [34]

9514 1404 393

Answer:

  31.243 units

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationships between sides and angles in a right triangle. Using the attached figure, it is convenient to find the length of BE as an intermediate step in the solution.

  Sin = Opposite/Hypotenuse

  sin(30°) = BE/100

  BE = 100·sin(30°)

Then ...

  Tan = Opposite/Adjacent

  tan(58°) = BE/x

  x = BE/tan(58°) = 100·sin(30°)/tan(58°)

  x ≈ 31.243 . . . . units

_____

<em>Comment on the figure</em>

The intermediate problem in creating the figure was to locate point D. That was accomplished by locating point C on a line at an angle of 58° CCW from the horizontal, using point B as a center. Then D is the intersection of BC with the x-axis. BE is drawn perpendicular to the x-axis.

5 0
2 years ago
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