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zepelin [54]
3 years ago
5

PLEASE HELP WILL MARK BRAINLIST!

Mathematics
2 answers:
dimulka [17.4K]3 years ago
7 0

Answer:

Splitting the figure into triangles , rectangles and square

First triangle : base = 2 , height = 2

Area = 1/2 x 2 x 2 = 2 square units

Rectangle : length = 5 , breadth = 2

Area = 5 x 2 = 10 square units

Rectangle : length = 7, breadth = 1

Area = 7 x 1 = 7 square units

Rectangle : length = 6, breadth = 1

Area = 6 x 1 = 6 square units

Triangle : base = 3, height = 3

Area = 1/2 x 3 x 3 = 4.5 square units

Square : side = 3

Area = 3 x 3 = 9 square units

Total Area = 2 + 10 + 7 + 6 + 9 + 4.5 = 38.5 square units

jok3333 [9.3K]3 years ago
4 0

Answer:

38.5

Step-by-step explanation:

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Reil [10]

Answer:

i think 125

Step-by-step explanation:

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a piece of gum is stuck to the tire of a bike wheel in motion. The vertical distance between the gum and the ground, in centimet
melamori03 [73]

Answer:

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Step-by-step explanation:

8 0
3 years ago
2.5² - 2.89/17 <br> Giving your answer correct to 2 significant figures
Virty [35]

Answer:

<h2>6.08 is the correct answer.. </h2>

Step-by-step explanation:

2.5 {}^{2}  - 2.89 \div 17 \\ 6.25 - 2.89 \div 17 \\ 3.36 \div 17 \\ 6.08..is \: the \: answer.

7 0
2 years ago
Identify the term(s), coefficient(s), and constant(s) in the expression 7 + 3d2 + d4
Evgesh-ka [11]

Answer:

Step-by-step explanation:

Terms  

7

3d²

d⁴

Constant : 7

Coefficient of 3d²  = 3

Coefficient of d⁴ = 1

7 0
3 years ago
Read 2 more answers
Given 1+2i as a zero of f(x) = x^4 - 2x^3 - 4x^2 + 18x - 45, find all other zeros and write the complete factorization. Please s
tatuchka [14]

Answer:

  • (x + 3)(x - 3)(x² - 2x + 5)

Step-by-step explanation:

<u>One of the zeros given:</u>

  • 1 + 2i

<u>Since it is a complex number, its conjugate is also a zero:</u>

  • 1 - 2i

<u>The product of two factors are:</u>

  • (x - (1 + 2i))(x - (1 - 2i)) =
  • x² - x(1 + 2i + 1 - 2i) + (1 - 4i²) =
  • x² - 2x + 5

<u>We need two more zeros. Let them be m and n, then we have:</u>

  • (x - m)(x - n) = x² - (m +n)x + mn

<u>The product of all factors:</u>

  • (x² - 2x + 5)(x² - (m+n)x + mn) = x⁴ - 2x³ - 4x² + 18x - 45
  • x⁴- (m+n+2)x³ + (mn+5)x² - (2mn+5m+5n)x + 5mn = x⁴- 2x³- 4x²+ 18x- 45

<u>Compare left and right sides and solve for m and n:</u>

  • m + n + 2 = 2 ⇒ m + n = 0
  • mn + 5 = -4 ⇒ mn = -9
  • 2mn + 5(m + n) = -18 ⇒ mn = -9

<u>From the above equations we get:</u>

  • m = -n
  • -n² = -9
  • n = 3
  • m = -3

The other zero's are 3 and -3

<u>All of the factors:</u>

  • (x + 3)(x - 3)(x² - 2x + 5)
8 0
3 years ago
Read 2 more answers
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