# Posts by jeng

Total # Posts: 29

**MAth 10 (probability)**

Each spinner is divided into four equal sectors (1-4). The pointer in each spinner, when spun, is equally likely to rest in any one of the four sectors. The pointer in each spinner is spun once. What is the probability that the sum of both scores is less than five

*January 10, 2016*

**MAth 10 (probability**

Each spinner is divided into four equal sectors (1-4). The pointer in each spinner, when spun, is equally likely to rest in any one of the four sectors. The pointer in each spinner is spun once. What is the probability that the sum of both scores is less than five

*January 10, 2016*

**math**

ok well that answer is not one of my choices. so something is wrong

*November 18, 2009*

**math**

How many triangles are formed in a regular polygon with 13 sides?

*November 18, 2009*

**math**

can some one show me how to Graph the linear equation.even if it is just explained how to do it y = 4x - 5

*November 15, 2009*

**math**

Use the discriminant to determine how many real-number solutions the equation has. v2 - 7v + 5 = 0

*November 15, 2009*

**math**

Initially a pool contains 350 gallons of water. A hose is placed in the pool, and the water is turned on. The hose adds 4.8 gallons of water per minute. Write an equation that shows the relationship between the total amount of water in the pool, V, and the number of minutes ...

*November 15, 2009*

**math**

Give the equation of the line that passes through point (-5, -1) and is parallel to the line y = - 14x - 7.

*November 15, 2009*

**math**

Sketch the graph of a quadratic function for which the related quadratic equation has only one solution. Then, sketch one that has two solutions. Explain how you know by looking at the graph the number of solutions there are.

*November 15, 2009*

**math**

Suppose that someone said that the equation connecting points (-1, 1) and (2, 3) is y = 2/3 x + 5/3 This person wants to know whether the line represented by this equation will contain point (6, 9). Identify two ways by which this person can decide whether the graph of the ...

*November 15, 2009*

**math**

thank you for helping me Reiny that's what i was trying to find was the formula and i couldn't remember it. I was not trying to post my whole assignment on here they are example questions from the text that im trying to figure out.

*October 29, 2009*

**math**

Use Eulerʹs formula to answer the question. A polyhedron has 36 edges and 21 faces. How many vertices does it have?

*October 29, 2009*

**math**

Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure? A) 3584 m B) 134,217,728 m C) 392 m D) Not enough information given

*October 29, 2009*

**math**

A small can of juice contains 16 fl oz. A large can has twice the base circumference of the first. How much juice is in the large can if both cans are right circular cylinders and the second can is similar to the first? A) 32 fl oz B) 64 fl oz C) 128 fl oz D) 256 fl oz

*October 29, 2009*

**math**

The areas of the faces of a rectangular box are 48 m2, 96 m2, and 288 m2. A second box is cubical and each of its faces has area 16 m2. Find the ratio of the volume of the first box to the volume of the second box. A) 18 : 1 B) 12 : 1 C) 324 : 1 D) 16 : 1

*October 29, 2009*

**math**

Which would be the better buy, a gallon of milk for $3.25 or a 3-liter container of milk for $3? Explain your reasoning.

*October 29, 2009*

**math**

An aluminum cylindrical juice can has a height of 4 in. and a radius of 6 in. How many square inches of aluminum are needed to make the can?

*October 29, 2009*

**math**

Consider the following method of estimating Fahrenheit temperatures given Celsius temperatures (which was stated earlier in this section): To estimate the Fahrenheit temperature for a given Celsius temperature, double the Celsius temperature and add 30. Create a spreadsheet ...

*October 28, 2009*

**math**

"If you were buying nuts, would you rather pay $9/kg or $4/500 g?Explain."

*October 28, 2009*

**math**

The two cereal boxes shown have corresponding edges in a ratio of 2 : 3. If the smaller box sells for $2.50 and the larger box for $4.00, which is the better buy? Why? What assumption(s) do you have to make when solving the problem? Estimate, then check.

*October 28, 2009*

**math**

i don't have a sci calculator

*October 28, 2009*

**math**

how do i figure out 4 root 3

*October 28, 2009*

**geometry**

Name three regular polygons that will tessellate the plane

*October 24, 2009*

**geometry**

Answer the following questions to determine why Euler’s formula continues to hold for the polyhedron formed by cutting corners off of an octahedron, as in Figure 11.35(b): a. For an octahedron V = , ____,F = ____, and E = _____. b. When you slice off one corner of the ...

*October 24, 2009*

**geometry**

a. Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a cube.

*October 24, 2009*

**geometry**

tell if the figure is a star polygon, a polygon, or other, and how many sides it has. {9/3}

*October 24, 2009*

**geometry**

Why does a regular pentagon not tessellate the plane?

*October 24, 2009*

**geometry**

Figures that correspond under a translation, rotation, or reflection are said to be translation congruent, rotation congruent, or reflection congruent. Position two congruent figures on a piece of paper to satisfy each combination of congruences listed. Use tracing paper, ...

*October 24, 2009*

**geometry**

Name three regular polygons that will tessellate the plane

*October 24, 2009*

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