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scoundrel [369]
3 years ago
12

At a concert 1,600 in tickets were sold. Adult tickets were $9 each and children’s tickets were $4 each. If the number of adult

tickets was 30 less than twice the number of childrens tickets, how many of each kind were sold
Mathematics
1 answer:
Dvinal [7]3 years ago
7 0

Answer:

140 TICKETS

Step-by-step explanation:

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You burned a CD of your music and then created an artistic CD label
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Answer:

why are u burning ur freaking cd

Step-by-step explanation:

pollution is being caused???????????????????

3 0
3 years ago
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Find the value of y.
snow_tiger [21]

Answer:

  y = √55

Step-by-step explanation:

All the triangles are similar, so the ratio of short side to hypotenuse is the same for all:

  5/y = y/(5+6)

  y^2 = 55

  y = √55

_____

<em>Comment on the geometry</em>

There are three "geometric mean" relationships that apply to this geometry.

  1. the altitude BD is the geometric mean of BC and BA (√30)
  2. the long side of the large triangle is the geometric mean of the longer segment of the hypotenuse and the whole hypotenuse (x = √66)
  3. the short side of the large triangle is the geometric mean of the shorter segment of the hypotenuse and the whole hypotenuse (y = √55)

If you were aware of the last of these relationships, you could write down the answer without any "work."

  y = √(5(5 +6)) = √55

__

The geometric mean is the n-th root of the product of n numbers. When there are 2 numbers, it is the square root of their product.

4 0
3 years ago
Kelly made one batch of 1,425g of peanut and pretzel mix. How many grams does she need to add to the snack mix to make 2 kilogra
borishaifa [10]
Basically, 

2 kg = 2,000 g

So all you need to do is

   2,000
-  1,425
-----------
       575

There's your answer!

575 grams

Hope that helps and correct me if I'm wrong!
5 0
3 years ago
There are 50 students traveling in vans on a field trip. Each van seats 8 students. How many vans are needed.
anastassius [24]

Step-by-step explanation: stude

3 0
3 years ago
Answer this question correctly
Nana76 [90]

Answer:

x = 3 - 3/2y

y = 2 - 2/3x

Step-by-step explanation:

2x + 3y = 6

2x = 6 - 3y

x = 3 - 3/2y

2x + 3y = 6

3y = 6 - 2x

y = 2 - 2/3x

4 0
3 years ago
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