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sattari [20]
4 years ago
11

What is the value of x?

Mathematics
1 answer:
Alinara [238K]4 years ago
6 0

Answer:

<h2>x = 27</h2>

Step-by-step explanation:

Look at the picture.

Therefore:

\dfrac{x+8}{2x-5}=\dfrac{10}{14}          <em>cross multiply</em>

14(x+8)=10(2x-5)     <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

14x+112=20x-50             <em>subtract 112 from both sides</em>

14x=20x-162             <em>subtract 20x from both sides</em>

-6x=-162           <em>divide both sides by (-6)</em>

x=27

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There are 450 seats in the lower level of a concert hall with b balcony seats in the upper level. So far, 170 tickets have been
slamgirl [31]

There are 400 balcony seats in the concert hall.

<u>Step-by-step explanation</u>:

Step 1 :

  • The number of lower seats = 450 seats

Total seats = Lower seats + balcony seats

Step 2 :

  • Tickets sold = 170 tickets
  • Total tickets = x

Tickets sold = 1/5 of total tickets.

⇒ 170 = (1/5)x

⇒ x = 5\times170

⇒ x = 850 tickets

∴ Total seats in the concert hall is 850.

Step 3 :

Total seats = 450 + balcony seats

850 - 450 = balcony seats

∴ balcony seats = 400

7 0
4 years ago
Using the arithmetic sequence 7 10 13 16 find the 6th term of the sequence ​
algol13
22 is the correct answer
8 0
3 years ago
80 81 82 83 84 85 86 87 88 89 90
cluponka [151]

Answer:

Step-by-step explanation:

Um... there is no "Lorenzo's scores."

8 0
3 years ago
Help this is really hard
scoundrel [369]

Answer:

x = 18, y = 45

Step-by-step explanation:

4x - 7 + a = 180 (linear pair)

But, a = 6x + 7 (alternate interior angles)

=> 4x - 7 + 6x + 7 = 180

=> 10x = 180

=> x = 18

Now, 3y - 20 = 6x + 7 (vertically opposite angles)

=> 3y - 20 = 6(18) + 7

=> 3y = 108 + 7 + 20

=> 3y = 135

=> y = 45

Hope it helps :)

Please mark my answer as the brainliest

4 0
3 years ago
Read 2 more answers
PLS HELP TIMED QUIZ The size of a television screen is given as the length of the diagonal. If a television is advertised as hav
grin007 [14]

Answer:

D.24

Pythagorean states:

hypotenuse^2 = side1^2 + side2^2

30^2 = 18^2 + side2^2

side2^2 = 30^2 - 18^2

side2^2 = 900 - 324

side2^2 = 576

side2 = sqr root 576

side2 = 24

Source: http://www.1728.org/pythgorn.htm

Step-by-step explanation:

5 0
3 years ago
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