A theater has 675 seats. there are three times as many seats in a row as their are rows

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

let the number of rows=x

seats in each row=3x

so number of seats=x(3x)=3x²

3x²=675

x²=225

x=15

number of rows=15

and seats in each row=15×3=45

Answer 2
Answer:

Answer: 15 rows with 45 seats each

Step-by-step explanation:

Let x = the number of rows, then 3x= the number of seats in a row.

                                   seats × row= total

                                            3x × x=675

                                                3x²=675

                                                  x²=225

                                                   x=15


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Solve equation 2x^{2}−5x−7 = 0 by using the quadratic formula. Then write 2x^{2}−5x−7 in form of a(x−r_{1})(x−r_{2}).

Answers

2x^2+2x-7x-7=2x(x+1)-7(x+1)=(2x-7)(x+1)=\n \n=2(x-3.5)(x+1)\n \n2x^2-5x-7=0\ \ \ \Leftrightarrow\ \ \ 2(x-3.5)(x+1)=0\n \nx-3.5=0\ \ \vee\ \ \ x+1=0\n \n.\ \ \ \ \ \ \ x=3.5\ \ \ \ \ \ \ \ \ \ \ x=-1

What is 7.86 x 10 to the negative 2nd power kL in dL?

Answers

So a kiloliter (kL) is 1000 liters, while a deciliter (dL) is 0.1 liters.

You have 0.0786kL, or 78.6L.

78.6L is equal to 786dL.

Samy recorded the number of different types of pets his friends have in the table shown below:Cats 3
Dogs 5
Rabbits 1
Guinea Pigs 3

Which of the following plots represents the data in the table?
A) A line with 4 tick marks labeled Cat, Dog, Rabbit, and Guinea Pig. Cat has 3 crosses, Dog has 5 crosses, Rabbit has 1 cross, and Guinea Pig has 3 crosses. The line is labeled Number of Pets, and title of graph is Pet Owners.
B) A line with 4 tick marks labeled Cat, Dog, Rabbit, and Guinea Pig. Cat has 3 crosses, Dog has 5 crosses, Rabbit has 5 crosses, and Guinea Pig has 3 crosses. The line is labeled Number of Pets, and title of graph is Pet Owners.
C) A line with 4 tick marks labeled Cat, Dog, Rabbit, and Guinea Pig. Cat has 3 crosses, Dog has 1 cross, Rabbit has 1 cross, and Guinea Pig has 3 crosses. The line is labeled Number of Pets, and title of graph is Pet Owners.
D) A line with 4 tick marks labeled Cat, Dog, Rabbit, and Guinea Pig. Cat has 2 crosses, Dog has 4 crosses, Rabbit has 0 cross, and Guinea Pig has 2 crosses. The line is labeled Number of Pets, and title of graph is Pet Owners.

Answers

Option “A” is correct, because the number of crosses against the pets is equal to its actual quantity given in the question.

So

Cats = 3 = xxx

Dogs = 5 = xxxxx

Rabbit = 1 = x

Guinea Pigs = 3 = xxx

Answer:

a

Step-by-step explanation:

#7 describe the dimensions of two different prisms each have a volume of 2400 cubic centimeters

Answers

One can be L = 20 cm; W = 20 cm; H = 6 cm
The other can be: L 16 cm; W = 15 cm; H = 10 cm

It takes omar four minutes to eat eight carrots sticks. how long does it take him to eat one ?

Answers

It takes Omar 30 seconds to eat one considering he ate 8 in 4 minutes ...

If we really wanted to we could turn this into the fraction 8/4
8 being the amount of carrot sticks he ate and 4 being the time it took
now all u have to do is simplify that turns into 2/1 and since the 1 is one minute and her can eat 2 in one minute we can safely say he eats 1 carrot stick every 30 seconds 

:) hope this helps!!

Can a graph be translated by using reflection transformation

Answers

Answer: No, a reflection transformation does not involve translation; it changes the orientation of a figure but does not move it.

Step-by-step explanation:

A reflection transformation, also known as a "flip" or "mirror," does not involve translation. Instead, it changes the orientation of a figure by reflecting it across a specific axis, such as the x-axis or y-axis. It creates a mirror image of the original figure.

Translation, on the other hand, is a transformation that moves a figure without changing its orientation. It involves shifting the figure horizontally and/or vertically.

If you want to both reflect and translate a graph, you would perform the reflection first and then apply the translation. These two transformations can be combined to achieve more complex transformations, but they are distinct operations.