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steposvetlana [31]
2 years ago
6

Question on similar triangles attatched

Mathematics
1 answer:
Morgarella [4.7K]2 years ago
6 0

Answer:

<u>h = 24 cm</u>

Step-by-step explanation:

The triangles are similar.

Their dimensions are proportional.

Finding scale factor :

  • DC/AE
  • 10/20
  • 1/2

Finding h :

  • h + h/2 = 36
  • 3h/2 = 36
  • 3h = 72
  • <u>h = 24 cm</u>
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85% of what number is 102? I need to find the whole number
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Answer:

the correct answer is 120

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3 years ago
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MAPS On a map, Wilmington Street, Beech Drive, and Ash Grove Lane appear to all be parallel. The on
joja [24]

The distance between the two streets along Kendall is 347.9 feet.

Solution:

The image of the problem is attached below.

Distance between Wilmington to Ash Grove along Kendall = 820 feet

Distance between Wilmington to Ash Grove along Magnolia = 660 feet

Distance between Beech and  Ash Grove along Magnolia = 280 feet

Distance between Wilmington to Beech along Magnolia

                                       = 660 feet – 280 feet

                                       = 380 feet

Let us x be the distance between Wilmington to Beech along Kendall and

820 – x be the distance between Beech and  Ash Grove along Kendall.

The given streets are parallel.

By proportionality theorem, parallel lines cut by a transversal are in proportion.

$\Rightarrow\frac{380}{280} =\frac{x}{820-x}

Do cross multiplication.

$\Rightarrow{380}({820-x}) =280x

$\Rightarrow 311600-380x =280x

$\Rightarrow 311600 =280x+380x

$\Rightarrow 311600 =660x

$\Rightarrow x=472.1

Distance between Beech and  Ash Grove along Kendall          

                                    = 820 – x  

                                    = 820 – 472.1

                                    = 347.9

Hence the distance between the two streets along Kendall is 347.9 feet.

8 0
3 years ago
If tan(A+B)=8 and tan B = 1/57 find tan A <br> Plz show work
Degger [83]

Answer:A=8-1/57=455/57=7.98

Step-by-step explanation:

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3 years ago
is going to plant y vegetable seeds in one garden and 3y+8 vegetable seeds in another. How many seeds is Frank going to​ plant?
givi [52]

Answer:

4y + 8 vegetable seeds

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  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:

We know that Frank has 2 gardens, one with <em>y</em> vegetable seeds and another with 3<em>y</em> + 8 vegetable seeds. If we are trying to find the <em>total</em> amount of seeds planted, we must add the 2 gardens together:

Garden 1: <em>y</em>

Garden 2: 3<em>y</em> + 8

Garden 1 + Garden 2 = Total veggie seeds

<em>y</em> + 3<em>y</em> + 8 = Total veggie seeds

Total veggie seeds = 4y + 8

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3 years ago
Alan bowls one game, which consists of 10 frames. The number of pins he knocked down in each frame is 5, 6, 7, 5, 7, 9, 2, 4, 8,
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