All Questions ⁺⁰237827 Questions

0

212

1

linear systems

Amanda bought 2 shirts and 5 pairs of pants for $154.00. Rebecca bought the same 3 shirts and 4 pairs of pants for $168.00. What is the price for a pair of pants?

pls i really need help with this

Guest Feb 10, 2023

0

168

0

Exponential functions

Need help with these

Select all the correct statements. (For this problem, we assume that an exponential function is of the form ka^x where a > 0)
read more ..

Guest Feb 10, 2023

0

195

1

Probability

can u help here

My sock drawer contains two red socks, two white socks, and two blue socks. For three days in a row, I pull out two socks out of my sock drawer at random. What is the probability that I get matching socks read more ..

Guest Feb 10, 2023

0

179

0

Probability

What do I do

Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the probability that the area of triangle XYD is at most 20?

Guest Feb 10, 2023

0

205

1

Inequality

Prove that if a, b, and c are positive real numbers, then
sqrt(a^2 + ab + b^2) + sqrt(a^2 + ac + c^2) + sqrt(b^2 + bc + c^2) >= sqrt(3) (sqrt(ab) + sqrt(ac) + sqrt(bc))
When does equality occur?

Guest Feb 10, 2023

0

178

1

Counting

I need help here plz

Three adults and three children are to be seated at a circular table. In how many different ways can they be seated if each child must be next to at least one adult? (Two seatings are considered read more ..

Guest Feb 10, 2023

0

211

1

Probability

Sam writes down the numbers 1, 2, 3, ..., 99

(a) How many digits did Sam write, in total?
(b) Sam chooses one of the digits written down, at random. What is the probability that Sam chooses a 0? read more ..

Guest Feb 10, 2023

0

218

1

counting

At a meeting, five scientists, two mathematicians, five journalists, two biologists, and three politicians are to be seated around a circular table. How many different arrangements are possible if the scientists must all sit together (in read more ..

Guest Feb 10, 2023

0

191

1

Geometry

In triangle ABC, the angle bisector of angle BAC meets AC at D. If angle BAC = 60, angle ABC = 60, and AD = 24, then find the area of triangle ABC.

Guest Feb 10, 2023

0

202

2

System

For a certain value of k, the system
x + y + 3z = 10
-4x + 8y + 5z = 7
kx + z = 3 read more ..

Guest Feb 10, 2023

0

224

1

descrete mathematics

Show using the truth table that (𝑝 → 𝑞) ∧ (𝑝 → 𝑟) ≡ (𝑞 ∧ 𝑟)

Guest Feb 10, 2023

0

205

2

HELP NOW PLS

A bookstore had
45
copies of a magazine. Yesterday, it sold
1/3 read more ..

Guest Feb 10, 2023

0

216

1

Probability

Miyu is giving out 9 identical chocolates to her 7 friends, including Dhruv. All possible distributions are equally likely. What is the probability that Dhruv gets exactly 2 chocolates?

Guest Feb 10, 2023

0

207

1

Geometry

In triangle PQR, let M be the midpoint of QR, let N be the midpoint of PR, and let O be the intersection of QN and RM, as shown. If QN perp PR, QN = 12, and PR = 14, then find the area of triangle PQR.

Guest Feb 10, 2023

0

255

2

help please!!!!!

If x and r are inversely proportional and x=5 when r=25 then what is x when r = 40

Guest Feb 10, 2023

0

219

1

Geometry

Help with parallelogram

In the diagram below, PQRS is a parallelogram with a perimeter of 26 and an area of 28. What is the perimeter of rectangle OSTQ? Include an explanation of how you solved the problem.
<read more ..

Guest Feb 10, 2023

0

232

1

Counting

In how many ways can 4 balls be placed in boxes if the balls are distinguishable, and the boxes are indistinguishable?

Guest Feb 10, 2023

1 Online Users