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mamaluj [8]
3 years ago
15

Area of Composite Shapes (Trapezoids and Triangles)

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0
It is 8.7cm just trust me bro I got it right
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Convert the angle 0=228 degrees to radians
miv72 [106K]

Answer:

  \dfrac{19}{15}\,\text{radians}=1.2\overline{6}\,\text{radians}

Step-by-step explanation:

θ = 228° = (228°)×(π/180° radians/degree) = 228/180 radians

  = 19/15 radians

  ≈ 1.266...(repeating) radians

8 0
3 years ago
You find $13.20 on the ground at school, all in nicke's,
den301095 [7]

Answer:SORRY:(

I do not really get the question so i do not know

Step-by-step explanation:

3 0
3 years ago
Solve for x.<br> 7(1x - 3) = 4(x + 5)
alexandr1967 [171]

Answer:

x = 41/3

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

7(1x - 3) = 4(x + 5)

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

  1. Simplify:                                        7(x - 3) = 4(x + 5)
  2. Distribute:                                     7x - 21 = 4x + 20
  3. Subtract 4x on both sides:          3x - 21 = 20
  4. Add 21 on both sides:                  3x = 41
  5. Divide 3 on both sides:                x = 41/3

<u>Step 3: Check</u>

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

  1. Substitute:                    7(1(41/3) - 3) = 4(41/3 + 5)
  2. Multiply:                        7(41/3 - 3) = 4(41/3 + 5)
  3. Subtract/Add:               7(32/3) = 4(56/3)
  4. Multiply:                        224/3 = 224/3

Here, we see that 224/3 is indeed equivalent to 224/3. ∴ x = 41/3 is a solution to the equation.

And we have our final answer!

6 0
2 years ago
Solve for x 9(x-1) = 2
Katen [24]

Answer: x = 9/11

Step-by-step explanation:

First, distribute 9 to x and -1

9x - 9 = 2

Then add 9 to both sides

9x = 11

Then divide both sides by 9

x = 9/11

Hope it helps :)

4 0
2 years ago
Consider the algebraic expression:​
o-na [289]

Answer:

where is the expression??

7 0
2 years ago
Read 2 more answers
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