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vfiekz [6]
3 years ago
10

Equation (in vertex form) for a parabola opening upward, shifted 7 units right and 4 units down

Mathematics
1 answer:
ladessa [460]3 years ago
6 0
Right= negative. Down=negative. Answer: (-7-4)
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Hayley so 20 tickets to the school play for total of $225. Early bird tickets were $10 regular priced tickets are $15. Wright an
alexandr402 [8]

System of Equations

For the problem to solve we'll use the following variables:

x = number of the early bird tickets sold

y = number of the regular tickets sold

Haley sold a total of 20 tickets, thus:

x + y = 20 [1]

Early bird tickets cost $10 and regular tickets cost $15, thus the total money collected is:

10x + 15y = 225

Dividing by 5:

2x + 3y = 45 [2]

We have to solve the system of equations [1] and [2].

Multiply [1] by -2:

-2x - 2y = -40 [3]

Add [3] to [2]:

-2x - 2y +2x + 3y = -40 + 45

Simplifying:

y = 5

Substituting in [1]:

x + 5 = 20

Subtracting 5:

x = 20 - 5

x = 15

Solution: Hayley sold 15 early bird tickets and 5 regular-priced tickets

The order pair solution is (15,5)

5 0
1 year ago
since the base of the refraction cup is a half circle how can you find the radius, what is the radius.
Anettt [7]

Answer:

The radius is half the diameter

Step-by-step explanation: what it is

4 0
3 years ago
Twice the sum of a number is 9 is equal to three times the difference of the number and 7
soldi70 [24.7K]
First, write put the information into an equation

2*(x+9) = 3*(x-7)

distribute the 2 and 3
2x + 18 = 3x - 21

Combine like terms (Xs and munbers) (in this case, it's easier to add 15 to both sides and subtract 2x from both sides so both sides end up being positive)
33 = x

x=33
3 0
2 years ago
Read 2 more answers
here is my question: Find the rule which gives the number of matchsticks required to make the following matchstick patterns?
kipiarov [429]
Number of matchsticks required is 2. Rule which matchstick pattern is 2 x n.
5 0
2 years ago
The largest ball of yarn ever created has a radius of 6 feet. It took 30 years to create.Which formula could you use to determin
Rufina [12.5K]

Answer:

10

Step-by-step explanation:

5 0
3 years ago
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