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Grace [21]
3 years ago
8

Which is one reason why this expression is equal to ?

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
What and where is the expression
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a movie theater earns $3946 by selling 428 tickets. if a full price costs $10.25 and a discount costs $8, how many full price ti
kherson [118]
We need a system of equations here, one equation based on the NUMBER of tickets sold and another based on the MONEY earned by the sales.  We have 2 different types of tickets:  full price (f) and discount (d).  The total number of tickets sold is 428; therefore, the first equation is f + d = 428.  That accounts for the number of tickets sold.  Each full price is 10.25 which can be represented as 10.25f, and each discount ticket costs 8 which can be represented as 8d.  The money earned by selling these tickets at those prices was 3946.  That means that the second equation is 10.25f + 8d = 3946.  We will solve the first bolded equation for f to get f = 428 - d.  Sub that value in for f in the second bolded equation:  10.25(428-d) + 8d = 3946.  Distribute to get 4387 - 10.25d + 8d = 3946.  Combine like terms to get -2.25d = -441.  Solving for d we get 196.  That means that there were 196 discounted tickets sold.  Put that in for d in the first bolded equation to find the number of full price tickets.  f + 196 = 428,  and f = 232.  There were 232 full price tickets sold.  There you go!
4 0
4 years ago
How to write (X+3)(x+5) in a equivalent expression
Blizzard [7]

Answer:

x^2 +8x+15

Step-by-step explanation:

(X+3)(x+5)

FOIL

first  x^2

outer  5x

inner 3x

last  15

Add together

x^2 +5x+3x+15

x^2 +8x+15

5 0
3 years ago
Read 2 more answers
May you solve this for me?
shusha [124]

Answer: 23.94 cm

Step-by-step explanation: I am totally not sure if this is the answer, but think of it this way: Those are 2 semi circles. The formula for the area of a semi circle is A = π * r^2 / 2. For the semi circle with 6 cm, the radius is 3. So we can plug it in the formula. 3.14 * 3^2 / 2, which is 14.13. For the semi circle with 5 cm, the radius is 2.5. Again plug it in and it will be 3.14 * 2.5^2 / 2, which is 9.8125. Then, to get the total area, add the 2 final values together. 9.8125 + 14.13, which is 23.9425. Then it said "round to the nearest hundredth if necessary. We can round to the nearest hundredth, which is 23.94, so that would be the answer. That is just my thought process.

I am not really sure if it's the answer, but take a gander at my thought process and hopefully, you can agree with me.

6 0
3 years ago
How many solutions does the equation 4 + 4x - 3 = 4x + 5 have?
miskamm [114]
D. Two solutions can i get brainiest
8 0
3 years ago
Read 2 more answers
Can anyone help ? :) thanks
den301095 [7]
The product of 5 x 2 is 10, this is the same as adding 2 to 2 5 times brainliest pls
3 0
3 years ago
Read 2 more answers
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