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Firdavs [7]
2 years ago
15

Please help me I will give branliest! Find the two missing sides and write your answer as in simplified radical form. image atta

ched

Mathematics
1 answer:
Alexandra [31]2 years ago
7 0

Answer:

x = y = 15\sqrt{2}

Step-by-step explanation:

Using the sine ratio and the exact value

sin45° = \frac{\sqrt{2} }{2} , then

sin45° = \frac{opposite}{hypotenuse} = \frac{x}{30} = \frac{\sqrt{2} }{2} ( cross- multiply )

2x = 30\sqrt{2} ( divide both sides by 2 )

x = 15\sqrt{2}

The triangle is isosceles (45- 45- 90) , then 2 legs are congruent, so

y = x = 15\sqrt{2}

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Where is the equation?
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3 years ago
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What is the circumference of quadrilateral ABED in cm?
Natasha2012 [34]

the perimeter of quadrilateral ABED is 36.

<h3 /><h3>What is circumference?</h3>

A circumference is the total distance around a plane shape. Another name for circumference is called perimeter

To calculate the circumference of the quadrilateral, we use the formula below.

Formula:

  • Peri. of ABED = /AB/+/BE/+/ED/+/DA/............. Equation 1

From the Diagram,

Given:

  • /AB/ = /DC/ = 8 cm,
  • /BE/ = 2×/DA/ = 2×6 = 12 cm
  • /ED/ = √(6²+8²) = √(36+64) = √100 = 10 cm
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Substitute these values into equation 1

  • Peri. of quadrilateral ABED = 8+12+10+6
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Hence, the perimeter of quadrilateral ABED is 36.

Learn more about circumference here: brainly.com/question/20489969

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4 0
2 years ago
Help please!<br> Sorry for the image quality.
VARVARA [1.3K]

Answer:

\displaystyle (-1,\frac{-3}{2})

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>Algebra I</u>

  • Midpoint Formula: \displaystyle (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-3, 1)

Point (1, -4)

<u>Step 2: Find Midpoint</u>

Simply plug in your coordinates into the midpoint formula to find midpoint

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  2. [Fractions] Add/Subtract:         \displaystyle (\frac{-2}{2},\frac{-3}{2})
  3. [Fractions] Divide:                    \displaystyle (-1,\frac{-3}{2})
8 0
3 years ago
Evaluate the given algebraic expression for x = 7 and y = 3. 2(x + y)2 A.)20 B.)42 C.)200 D.)400
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A. you would put in 7 for X and 3 for Y.
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Which is bigger 20% of 400 or 1//4 f 360
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