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kumpel [21]
3 years ago
15

Best Answer Gets Brainliest

Mathematics
2 answers:
Assoli18 [71]3 years ago
6 0
<h3>Answer:</h3>

<u>Area of triangle = 1/2 × b × h</u>

  • 1/2 × 11 × 6
  • 11 × 3
  • 33in²

<u>Area of rectangle = l × b</u>

  • 20 × 9.5
  • 190in²

<u>Total Area = Area(Δ) + Area([])</u>

  • 190in² + 33in²
  • 223in²

Zarrin [17]3 years ago
5 0

Step-by-step explanation:

area of Triangle = (20 -9) (6) (1/2) = 33 in ^ 2

area of rectangular = 20 x 9.5 = 190 in ^2

total = 223 in ^2

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Solve 7r+ 2 = 5(r – 4) ​
AveGali [126]

Multiply the bracket by 5

I used PEMDAS

P= parenthesis

E= exponents

M=multiplication

D= division

A= addition

S= subtraction

7r+2= 5(r-4)

7r+2= 5r-20

Move 5r to the left hand side . Positive 5r changes to negative 5r

7r-5r+2= 5r-5r-20

2r+2=- 20

2r+2-2= -20-2

Move positive 2 to the right hand side. Changes to negative -2

2r+2-2= -20-2

2r= -22

Divide by 2 for 2r and -22

2r/2= -22/2

r= -11

Answer is r= -11

6 0
2 years ago
Read 2 more answers
7) Find the perimeter of triangle ABC. Round all answers to the nearest tenth.[6 points)
dsp73

Answer: 14.6

Step-by-step explanation:

I made a square around the triangle which I then counted the squares, found the Pythagorean theorem, and then added the missing sides together

6 0
2 years ago
Solve the following proportion for
irina [24]
Yes oh is it for a new pfp year anniversary of thanksgiving day at the same time and i dont
7 0
3 years ago
- Factorise 121y² - m²​
Otrada [13]

Answer:

\boxed{ \bold{ { \boxed{ \sf{(11y + m)(11y - m)}}}}}

Step-by-step explanation:

\sf{121 {y}^{2}  -  {m}^{2} }

\longrightarrow{ \sf{ {(11y)}^{2}  -  {(m)}^{2} }}

Use the formula of a² - b² = ( a + b ) ( a - b )

\longrightarrow{ \sf{(11y + m)(11y - m)}}

Hope I helped!

Best regards

6 0
3 years ago
Are these answers correct?
Mars2501 [29]
Very good job! They are all correct and it shows how you got the answer! ^_^ 100%
7 0
3 years ago
Read 2 more answers
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