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Lina20 [59]
3 years ago
12

SOLVE FOR X PLEASE HELP LEAVE IN FRACTION AND DECIMAL​

Mathematics
1 answer:
enyata [817]3 years ago
3 0

Answer:

x = \frac{22}{3}

Step-by-step explanation:

Since both CB and ED intersect AD perpendicularly, we can say they are parallel and that ΔACB is similar to ΔAED from Thales intercept theorem. Now, we can set up a proportion from the definition of similar triangles:

\frac{AB}{AD}  = \frac{BC}{DE}

We can say that AD = AB + BD(segment addition postulate) and substitute to get AD = 11. Now we can plug in the numbers we have to the proportion:

\frac{6}{11} =\frac{4}{x}

We can cross-multiply to get:

6x = 44

and divide by 6 to get

x = \frac{22}{3}

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Find the volume of a rectangular prism with dimensions 21 in. by 20 in. by 19 in., to the nearest hundredth cubic foot
Maurinko [17]

Answer:

The dimensions of a rectangular prism are 21 in. by 20 in. by 19 in.

To find:

The volume of the rectangular prism.

Solution:

Let the length, breadth and height are 21 in, 20 in and 19 in respectively.

Volume of the rectangular prism is

V=Length\times Breadth\times Height

V=21\times 20\times 19

V=7980

Therefore, the volume of the rectangular prism is 7980 cubic inches.

6 0
3 years ago
What is the alternator-to-engine drive ratio if the
quester [9]

Answer:

720

Step-by-step explanation:

hope it helps

4 0
3 years ago
Read 2 more answers
Evaluate The Exsperession. Show your work<br><br><br>6.7-3^2.9+4^3<br>or
Rom4ik [11]
  • <em>Answer:</em>

<em>25</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there !</em>

<em>6×7 - 3²×9 + 4³ =</em>

<em>   1. raise the numbers to power</em>

<em>= 6×7 - 9×9 + 64</em>

<em>   2. we perform the multiplications</em>

<em>= 42 - 81 + 64</em>

<em>   3.  we perform addition and subtraction</em>

<em>= (42 + 64) - 81</em>

<em>= 106 - 81</em>

<em>= 25</em>

<em>Good luck !</em>

7 0
4 years ago
Read 2 more answers
Please helpppppppppp
just olya [345]

We find the area of all the faces and add those up

So

Total area = (12*5) + 2(1/2 *3 *4 ) + (4*12)+(3*12)

= 60 + 12 + 48 + 36

= 156 square feet

third option is the correct one

7 0
3 years ago
What ratio is equivalent to 21/35
eimsori [14]
A 2:5 ratio. Because 21 divided by 7 equals 3 and 35 divided by 7 equals 5. And I did it by 7 because thats common factor
4 0
3 years ago
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