There are 324 seats in the auditorium with 9 seats in each row. How many rows of seats are in the auditorium?

Answers

Answer 1

Answer: There are 36 rows because 324/9 is 36

Answer 2

Answer: i put the right answer someone just copied my answer

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Christian has a large rectangular container that is 30 inches by 20 inches by 20 inches. He also has a small cubical container with each side 10 inches. If he fills up the small container with water and pours into the large container, the water reaches to how many inches?

Tell which measurement tool you would use to measure the area of a student desk. Explain your thinking.

Answers

You would more than likely use a ruler. You can explain why you agree on it.

A ruler because using other things like a protractor wouldn't really make sense

Is (2,2) a solution to x+y=4 and 5x+5y=20?

Answers

Answer:

yes

Step-by-step explanation:

(2,2)

x=2 y=2

x+y=4

2+2=4

4=4

5x+5y=20

5(2)+5(2)=20

10+10=20

20=20

Adrian placed an X-Box on layaway as a Christmas gift. The price of the X-Box was $400.00. The store charges a 5% layaway fee and requires a 15% down payment. Equal installments must be paid each week for six weeks. Determine Adrian's weekly payments

Answers

Answer:

Adrian's weekly payments is $60

Step-by-step explanation:

* Let us explain how to solve the problem

- Adrian placed an X-Box on layaway as a Christmas gift

- The price of the X-Box was $400

- The store charges a 5% layaway fee

- A 15% down payment

- Equal installments must be paid each week for six weeks

- We need to find Adrian's weekly payments

* At first let us find the down payment

∵ The down payment is 15%

∵ The price of the X-Box was $400

∴ The down payment = $(15)/(100)*400$ = 60

∴ The down payment is $60

∵ The store charges a 5% layaway fee

∴ The layaway fee = $(5)/(100)*400$ = 20

∴ The layaway fee is $20

- The quantity which distributed in installments is the price of the

X-box plus the layaway fee minus the down payment

∴ The installments quantity = 400 + 20 - 60 = 360

- It distributed into 6 equal installments must be paid each week

∴ Each installment = 360 ÷ 6 = $60

* Adrian's weekly payments is $60

Why are tenths, fifths, and fourths easy to convert to percent's?

Answers

because they all go into 100 easily. for example 10*10=100 5*20=100

The Snack Shack is making a batch of trail mix. They use 9 1/3 pounds of granola, 9 1/3 pounds of nuts, and 9 1/3 pounds of yogurt raisins to make the trail mix. They divide the mixture into 14 packages. How mach in each package? Explain

Answers

What goes into the bowl . . .

-- granola . . . 9-1/3 pounds
-- nuts . . . . . 9-1/3 pounds
-- raisins. . . . 9-1/3 pounds

How much is in the bowl all together ?

   (9-1/3) + (9-1/3) + (9-1/3) = 27-3/3 = 28 pounds .

After stirring, mixing, shaking, and resting, how much is
still in the bowl ?

   Still 28 pounds. Nothing else went in, and nothing came out.

After a month, nobody has come into the store yet asking to buy
28 pounds of trail mix. So before it spoils or gets soggy, they decide
to split it up into 14 smaller packages, and see if more people will
buy smaller packages.

They make all of the small packages exactly equal.
How much trail mix is in each one ?

   (28 pounds) divided by (14 packages) = 2 pounds/package

9 13x3=28 (one batch)

28/14=2 (divide into 14 packs

2 pounds per package

How do I work out the following simultaneous equations?x+3y=11 and 2x-y=11

Thank you, this is part of my half term homework and I really need to understand how to do this as soon as possible , thank you!

Answers

I'll show you two ways.

By substitution:

$x+3y=11\n2x-y=1\n\nx=11-3y\n2x-y=1\n\n2(11-3y)-y=1\n22-6y-y=1\n-7y=-21\ny=3\n\nx=11-3\cdot3\nx=11-9\nx=2\n\n\boxed{(x,y)=\left(2,3\right)}$

By elimination:

$x+3y=11\n 2x-y=1|\cdot 3\n\nx+3y=11\n\underline{6x-3y=3}\n7x=14\nx=2\n\n 2+3y=11\n3y=9\n y=3\n\n\boxed{(x,y)=\left(2,3\right)}$

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