Questions LLC
Login
or
Sign Up
Ask a New Question
Charles
Questions and answers by
Charles
, page 3
Questions (249)
The brilliant color of fireworks is produced by shells containing lithium carbonate (Li2CO3) that are
launched into the night sky
2 answers
1,107 views
Which ordered pairs are on the line 4x−3y=84x−3y=8 ?
Select each correct answer. (−1,4) (1,−4/3)
4 answers
1,260 views
A family in Virginia drove to California. The first day, they traveled 400 miles in 8 hours what is their velocity?
1 answer
420 views
Explain 5 measures that the government of Ghana is taking to promote science education in Ghana
4 answers
1,040 views
how do you solve logarithms with log in the exponent?
4 answers
359 views
Give an example of how being able to communicate over long distances would help Americans(using morse code)
4 answers
1,007 views
Randy wants to collect 515 baseballs cards. Each week Randy buys 15 baseball cards. a. Create a table to represent this
2 answers
557 views
Water towers are tall to provide enough water pressure to supply all of the houses and
businesses in the area of the tower. Each
2 answers
587 views
A table tennis ball is dropped from a height of 5ft. The ball rebounds to 60% of its previous height after each bounce.
Write an
2 answers
1,082 views
Two pyramids are similar.
The surface area of the first is 250 and the surface area of the second is 22.5. The heights of the
3 answers
1,303 views
Thirty identical toothpicks were used to create the figure below. There are over 25 triangles in the figure. What is the fewest
2 answers
815 views
I need help fast
Suppose that $n$ is a positive integer such that in base $7$, then $n$ can be expressed as $\overline{ABC}_7$,
5 answers
600 views
For some constants $a$ and $b,$ let \[f(x) = \left\{
\begin{array}{cl} 9 - 2x & \text{if } x \le 3, \\ ax + b & \text{if } x > 3.
7 answers
5,094 views
Navin from Mauritius, Luka from Croatia, and Ian from Botswana are chatting in the lobby of a youth hostel discussing their
10 answers
1,403 views
Let A and B be real numbers such that A/(x-5)+B(x+1)=(-3x^2+12x+22)/(x-5)
What is A+B
3 answers
544 views
Thirty identical toothpicks were used to create the figure below. There are over 25 triangles in the figure. What is the fewest
4 answers
2,170 views
There are numbers A and B for which
A/(x-1)+ B/(x+1)=(x+2)/(x^2-1)for every number x≠±1. Find B.
2 answers
520 views
Given that f(x) = x^k where k < 0, what is the range of f(x) on the interval [1,infinity)?
11 answers
2,645 views
A simple of radium weight 1000g. How long will it take to decay to 125g if its half life is 1620 years??
6 answers
856 views
I have an important essay about the three g's on god gold and glory. I need a hook, background, thesis statement. Thank You
2 answers
498 views
Find the perimeter of this semi-circle with diameter, d= 28cm.
Give your answer as an expression in terms of π.
1 answer
460 views
Write an equation for the following, passes through (-3,4) (3,-4)
1 answer
310 views
Write an equation for the following, y intercept -5 x intercept 3
Much appreciated
3 answers
260 views
The 12th term of an AP is -41, given that first term is 3. Find the 20th term
4 answers
asked by
Charles
1,438 views
If 10/3,5/3,5/6... is an exponential sequence,find:
a) The 8th term b) Sum of the first 10 terms
1 answer
253 views
Differentiate lmplicitly x^2y^2-3xy+4xy^3=4
4 answers
1,366 views
Identify two segments parallel to HG
3 answers
862 views
It takes a runner 2 h, 43 min, 57 s to run a marathon. If the distance of a marathon is 42.2 km, what is the average speed of
3 answers
573 views
An electromagnetic wave has a wavelength of 767 nm. What is that in meters
1 answer
357 views
What is the wavelength and energy of a photon with the frequency of 3.93x10^11Hz
3 answers
371 views
A street light is at the top of a 27 ft pole. A 6 ft tall girl walks along a straight path away from the pole with a speed of 8
3 answers
1,428 views
graph piecewise function
5+(1/(x-1) ) if x<1 f(x) 2x-4 if 1 ≤ x< 5 -1-x^2 if x ≥ 5
1 answer
287 views
graph piecewise function
5+(1/(x-1) ) if x<1 f(x) 2x-4 if 1 ≤ x< 5 -1-x^2 if x ≥ 5
1 answer
325 views
graph piecewise function (formatting was weird first time sorry)
5+(1/(x-1) ) if x<1 2x-4 if 1 ≤ x< 5 -1-x^2 if x ≥ 5
1 answer
245 views
From a place 300m North of A, a man walked eastward to a place B. Which is 600m from A? Find the bearing of A from B.
2 answers
168 views
an effort of 250N is applied to a pulley system consisting of two fixed and two movable pulleys to lift a load to a height of
5 answers
665 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
4 answers
1,461 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
1 answer
330 views
Find |𝘂|, |𝘃|, |2𝘂|, |1/2𝘃|, |𝘂 + 𝘃|, |𝘂 − 𝘃|, and |𝘂| − |𝘃|.
𝘂 = 4i + j, 𝘃 = 5i − 3j
1 answer
362 views
Can I connect two 120v relay coils in series to use one on a 240v circuit? I think I can but wonder why polarity of the winding
1 answer
335 views
What volume of 3.00 mol/L HNO3 is needed to neutralize 450 mL of 0.100 mol/L Sr(OH)2
1 answer
251 views
An elastic spring of length 20cm stretches by 7mm under a load of 50 neuton.calculate the strain in the string
4 answers
20,770 views
How to compute the amount of the fare given the specific distance in kilometers?
1 answer
258 views
Determine whether potassium hydrogen tartrate (KHC4H4O6) is neutral, basic, or acidic.
First, what is its Ka when it acts as an
1 answer
448 views
There are 5 more girls than boys in a class.
If 2 boys join the class, the ratio of girls to boys will be 5:4. Find (a) the
2 answers
677 views
Which of the following statements is not true?
Group of answer choices The online travel services industry has gone through a
4 answers
582 views
A body of mass 20kg falls from rest through a height of 10m and comes to rest having penerated a distance of 9.8m into sandy
3 answers
414 views
As the School perfect you are to deliver a speech on your School founders day
1 answer
112 views
Write a letter to your friend who want to visit your school giving him or her directions to your school and telling him or her
1 answer
97 views
Pages
1
2
3
