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eduard
3 years ago
12

Another one hhh i must know

Mathematics
1 answer:
madreJ [45]3 years ago
6 0

Answer:

35 degrees.

Step-by-step explanation:

Angle DGC and AGB are vertical angles. Therefore AGB is 90 degrees.

180 - (90 + 55) = 35 degrees.

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Graph: y = 12 - 41 + 2
tankabanditka [31]

Step-by-step explanation:

y=-27

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3 0
3 years ago
Find the surface area of the cylinder. 7 cm 5 cm The surface area of the cylinder is nothing cmsquared.
chubhunter [2.5K]

Step-by-step explanation:

surface area of cylinder =

2πr(r+h)

2×<u>2</u><u>2</u>×7(7+5)

7

44(7+5)

44(12)

528

4 0
3 years ago
PLEASE PLEASE HELP WITH THIS
Phoenix [80]
Since triangles ABC and BCD are similar, we can establish a proportion between the lengths of corresponding sides:
\frac{AC}{BC} = \frac{BC}{CD}

We can infer from our picture that BC=m. Also we can find the length of AC by adding AD and CD:
AC=AD+CD
AC=11+7
AC=18

Lets replace the values in our proportion:
\frac{AC}{BC} = \frac{BC}{CD}
\frac{18}{m} = \frac{m}{7}
Solving for m:
m^2=(18)(7)
m^2=126
m= \sqrt{126}

We can conclude that the correct answer is: D \sqrt{126}
4 0
3 years ago
Simplify the following expression. (52x + 61y) + (-6x + 47y)
kvv77 [185]

Answer:

46x + 108y

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

(52x + 61y) + (-6x + 47y)

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                                                                                   46x + 61y + 47y
  2. Combine like terms (y):                                                                                   46x + 108y
3 0
3 years ago
Solve the system of linear equations below.
Alchen [17]

Answer:

The answer to your question is letter A. x = 0, y = 2/3

Step-by-step explanation:

Equation 1        2x + 3y = 2

Equation 2          x + 6y = 4

Solve the system of equations by elimination

- Multiply equation 2 by -2

                          2x + 3y = 2

                     -2(  x + 6y = 4)

                          2x + 3y = 2

                        -2x - 12y = -8

                           0  - 9y = -6

                                    y = -6/-9

                                   y = 2/3

. Find x

                          2x + 3(2/3) = 2

                          2x + 2 = 2

                          2x = 2 - 2

                          2x = 0

                            x = 0/2

                           x = 0

5 0
3 years ago
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