chandice

This page lists questions and answers that were posted by visitors named chandice.

Questions

The following questions were asked by visitors named chandice.

The following conjectures were made by students. Which do you think are false? Give a counterexample for each conjecture if possible. a. Only half of the nonzero even numbers up to 100 are divisible by 4.

b. A number is divisible by 8 if it is divisible by 4 and divisible by 2.

c. If 12 divides a number, 6 also divides the number.

If a number is divisible by 4 and 6, it must be divisible by 24

Show that 1,078 and 3,315 are relatively prime

When finding the factors of 841, what is the largest factor you would have to test? What theorem supports this?

The product of two numbers is 180. The LCM of the two numbers is 60. What is the GCF of the numbers? Explain how you know.

You know that a number is divisible by 6 if it is divisible by both 3 and 2. So why isn’t a number divisible by 8 if it is divisible by both 4 and 2?

Construct a factor tree for the given number. 5) 392

Without finding the exact answer, select which of the following numbers is the best estimate of each sum or difference and justify your choices: -2/3 0 or 2/3 1/9 + 2/5 - 1/3 - 3/4

The owner of a rental house can depreciate its value over a period of 27 1/2 years, meaning that the value of the house declines at an even rate over that period of time until the value is $0 a. By what fraction does the value of the house depreciate the...

x/3 = x+10/6 x=

John Lee's savings account has a balance of $3427. After 9 months, what will the amount of interest be at 4.6% per year?

The product of two numbers is 50. If you divide the larger number by the smaller number you get 2. What are the numbers?

is this right Find the LCM for the given numbers by an appropriate method. 24, 54, and 27 the lcm=216

is this right Write the numeral in base ten 25eight 25(8)=14(10)

Use the concept of addition to show that 9 > 3.

can soemone tells me what this means 10! ----- =45 2!*8! i don't get the explnation points or how they got 45 out of that

consider the experiment of rolling a single die. What is the probability of rolling a number that is divisible by 2 or 3?

Each letter of the alphabet is written on a separate piece of paper and placed in a box. Find the probability of drawing a vowel, {a, e, i, o, u}, or a letter in the word "segments"?

Give a fact about each of the following points associated with a triangle: a. incenter b. circumcenter c. orthocenter d. centroid

F25 = 75,025 and F26 = 121,393 where Fn is the nth term in the Fibonacci sequence. Find F27.

A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flags available, how many possible signals can be flown?

A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 10 cm?

two cereal boxes 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.

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.

find the surface area of a Cylindrical grain silo with hemispherical top height=71 diamatere=62

A woman has $1.70 in dimes and nickels. She has 5 more dimes than nickels. How many nickels does she have?

Give the equation of the line that passes through point (-5, -1) and is parallel to the line y = -1/4x- 7.

m=7/8 point(5,-5) put in y=mx+b form

point(-2,-4) point (-6,-1) put in y=mx+b

Is this equation correct: (x y)^3 = x y^3 ? Explain why. If it is correct, how can you prove this? If it is incorrect, what should be done to make it right?

wher can i find information to help with this: How did the businesses of those like Morgan, Carnegie, and Rockefeller come to be so large?

Answers

The following answers were posted by visitors named chandice.

Use the discriminant to determine how many real-number solutions the equation has. v^2 - 7v + 5 = 0

no i know how to get this but i don't get where I am plugginf y and x in to