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Charles
Questions and answers by visitors named
Charles
, page 3
Questions (249)
Two types of biographies are: a. Formate and genre b. Poetry and prose. c. Fiction and nonfiction. d authentic and fictionalized
6 answers
585 views
How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?
3 answers
629 views
The brilliant color of fireworks is produced by shells containing lithium carbonate (Li2CO3) that are
launched into the night sky
2 answers
1,104 views
Which ordered pairs are on the line 4x−3y=84x−3y=8 ?
Select each correct answer. (−1,4) (1,−4/3)
4 answers
1,258 views
A family in Virginia drove to California. The first day, they traveled 400 miles in 8 hours what is their velocity?
1 answer
419 views
Explain 5 measures that the government of Ghana is taking to promote science education in Ghana
4 answers
1,031 views
how do you solve logarithms with log in the exponent?
4 answers
358 views
Give an example of how being able to communicate over long distances would help Americans(using morse code)
4 answers
1,004 views
Randy wants to collect 515 baseballs cards. Each week Randy buys 15 baseball cards. a. Create a table to represent this
2 answers
554 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
585 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
1,080 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
1,300 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
813 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
598 views
Navin from Mauritius, Luka from Croatia, and Ian from Botswana are chatting in the lobby of a youth hostel discussing their
10 answers
1,401 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
543 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
2,167 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
519 views
Given that f(x) = x^k where k < 0, what is the range of f(x) on the interval [1,infinity)?
11 answers
2,642 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
849 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
496 views
An aeroplane leaves an airport A and flies on a bearing 035°for 1.5 hours at 600km/hr to airport B It then flies on a bearing
11 answers
4,581 views
Find the perimeter of this semi-circle with diameter, d= 28cm.
Give your answer as an expression in terms of π.
1 answer
457 views
Write an equation for the following, passes through (-3,4) (3,-4)
1 answer
307 views
Write an equation for the following, y intercept -5 x intercept 3
Much appreciated
3 answers
257 views
The 12th term of an AP is -41, given that first term is 3. Find the 20th term
4 answers
asked by
Charles
1,434 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
252 views
Identify two segments parallel to HG
3 answers
860 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
570 views
An electromagnetic wave has a wavelength of 767 nm. What is that in meters
1 answer
356 views
What is the wavelength and energy of a photon with the frequency of 3.93x10^11Hz
3 answers
368 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
1,426 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
286 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
323 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
243 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
166 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
1,459 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
328 views
Find |𝘂|, |𝘃|, |2𝘂|, |1/2𝘃|, |𝘂 + 𝘃|, |𝘂 − 𝘃|, and |𝘂| − |𝘃|.
𝘂 = 4i + j, 𝘃 = 5i − 3j
1 answer
360 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
332 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
248 views
An elastic spring of length 20cm stretches by 7mm under a load of 50 neuton.calculate the strain in the string
4 answers
20,768 views
How to compute the amount of the fare given the specific distance in kilometers?
1 answer
256 views
Determine whether potassium hydrogen tartrate (KHC4H4O6) is neutral, basic, or acidic.
First, what is its Ka when it acts as an
1 answer
443 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
673 views
Which of the following statements is not true?
Group of answer choices The online travel services industry has gone through a
4 answers
574 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
411 views
As the School perfect you are to deliver a speech on your School founders day
1 answer
109 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
95 views
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