MATHEMATICS HIGH SCHOOL

There are 480 jellybeans in an 8-ounce jar. How many jellybeans are there per ounce in the jar?0.017
6
60
3,840

Answers

Answer 1
Answer:

For this case, what we must do is divide the total amount of jellybeans by the total number of ounces.

For this, we use the following equation:

r = \frac {amount\ of\ jellybeans} {number\ of\ ounces}

Substituting values:

r = \frac {480} {8}\nr = 60

Answer:

There are 60 jellybeans per ounce in the jar.

Option 3
Answer 2
Answer: The answer would be 60. This is because 480/8=60. 

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Tickets to a concert are $35 each. In addition to the cost for the tickets ordered, there is a $15 processing charge per order.Write an expression that represents the total cost of an order of n number of tickets.

Answers

(35+15)n
Because each order is 35$ and it also charges 15$ for the processing charge order then u multiply it by n which is the amount of people

The volume of a cube is 1728 cubic units. what is the length of one side?

Answers

12 is the length of one side of cube.

What is cube?

In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices

According to question, the volume of a cube is 1728 cubic units.

We have to find the length of the cube.

Volume=1728 cubic units

⇒lenght^(3) =12^(3)

⇒length =12units

Hence, 12 is the length of one side of cube.

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L × W × H = 1728
L = W = H
I got 12 because 12 x 12 x 12 = 1728 I'm absolutely sure :)

A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily?

Answers

D = 15!

48 kilometers divided by 3.2 kilometers = 15. To prove this, 3.2 multiplied by 15 equals 48. 

How would you write y = –3x2 + 12x – 21 in vertex form?

Answers

The vertex form of that expression would be y = 3 ( x +2 )squared - 25. This is done by transporting first the -21 to the other side then simplifying the 3(x2 + 4x). Then making the "x2 + 4x" a perfect binomial we need to add 4 and that makes it "x2 + 4x + 4". Then after that we now have the vertex form of y = 3 ( x +2 )squared - 25 

Explain how the expanded notation method is used to multiply 82 x 3

Answers

80 times 3 plus 2  up put 82 in expanded form and that would be 80,2    
2 can not be expanted and then you muliply either 2 and 2 or 2 and 80 which ever you do  you have to had what number you didnt use into the problem  

A rectangular painting measures 15 inches by 18 inches and contains a frame of uniform width around the four edges. The perimeter of the rectangle formed by the painting and its frame is 90 inches. Determine the width of the frame.

Answers

Answer:

3 inches

Step-by-step explanation:

Lenght = 18 inches

Width =15 inches

Perimeter of the rectangular painting and frame = 90 inches

Let X be the width of the frame

The width of the framed picture = 15 + 2x

The length of the framed picture = 18 + 2x

Perimeter = 2 (L + W)

90 = 2(15 + 2x + 18+ 2x)

90 = 2(33 + 4x)

90 = 66 + 8x

8x = 90 - 66

8x = 24

x = 24/8

x = 3 inches

the width of the frame is 3 inches

Final answer:

To determine the width of the frame, subtract twice the frame width from the length and width of the outer rectangle and set up an equation based on the perimeter.

Explanation:

To determine the width of the frame, we need to first find the dimensions of the inner rectangle formed by the painting. If we subtract twice the frame width from the length and width of the outer rectangle, we get the length and width of the inner rectangle. Let's call the width of the frame 'x'.

The length of the inner rectangle is 15 inches - 2 inches, and the width of the inner rectangle is 18 inches - 2 inches. The perimeter of the inner rectangle is the sum of its four sides, which can be calculated using the

formula P = 2l + 2w. We know that the perimeter of the inner rectangle is 90 inches, so we can set up the equation:

90 = 2(15 - 2x) + 2(18 - 2x)

Solving this equation will give us the value of 'x', which represents the width of the frame.

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