Mathematics, 29.01.2020 17:52 noeltan12031

In an elementary school classroom, two students are given the task of cleaning the chalkboard. the first student can clean it by himself in one minute, while the other student takes 20 seconds longer. which of the following equations can be used to determine how many seconds it would take for both students to clean the chalkboard if they work together?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:20

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

Answers: 1

Answer

Mathematics, 21.06.2019 18:40

Acircle has a circumference of 28.36 units what is the diameter of the circle

Answers: 2

Answer

Mathematics, 21.06.2019 23:30

What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4? o a. 8a oc. 16 t d. 8

Answers: 3

Answer

Mathematics, 22.06.2019 01:00

I’m not good at math can i have ? ?

Answers: 2

Answer

You know the right answer?

In an elementary school classroom, two students are given the task of cleaning the chalkboard. the f...

Questions

Biology, 26.06.2019 02:40

Mark sits on a swing that is 2.5 feet off the ground. swinging as hard as he can, the swing reaches a height of 6 feet. assuming mark holds a steady p...

Mathematics, 26.06.2019 02:40

What are the equations of the aysmptotes of the function f(x)=3x^2-2x-1/x^2+3x-10...

Mathematics, 26.06.2019 02:40

Find three consecutive even integers such that the sum of the least integer and the middle integer is 22 more than the greatest integer...

Mathematics, 26.06.2019 02:40

(dont ignore, need ) ❗️⚠️ state whether the two triangles are similar. if so, write a similarity statement and tell if they are similar by aa, sss, or...

Physics, 26.06.2019 02:40

22 an mp3 player draws a current of 0.120 ampere from a 3.00-volt battery. what is the total charge that passes through the player in 900. seconds?...

English, 26.06.2019 02:40

Are metaphor and allegory the same. trueorfalse...

Mathematics, 26.06.2019 02:40

Why dont my questions get answered subtract polynomials (6x^2-7x++4x-3)...

English, 26.06.2019 02:40

Select the correct answer. what is a key characteristic of historical fiction? o a. the stories always have insights about current society. ob. the st...

Biology, 26.06.2019 02:40

Elements 1 - a chemical substance composed of atoms of two or more different types of atoms 2- substances that are made up of only one type of atom...

History, 26.06.2019 02:40

Which of these policies would a government take when it comes to employment?...

English, 26.06.2019 02:40

Option #2: happy / alternate ending: as you know, all shakespearean tragedies, including romeo & juliet, end in death. your task is to write an...

Biology, 26.06.2019 02:40

Common rosefinches arrived in hawaii roughly 6 to 7 million years ago and have since evolved into at least 56 new species of honeycreepers. how do sci...

Mathematics, 26.06.2019 02:40

The given line segment has a midpoint at (3, 1). what is the equation, in slope-intercept form, of the perpendicular bisector of the given line segme...

Mathematics, 26.06.2019 02:40

You need to repaint the floor and inside wall of your circular swimming pool. it has a diameter of 16 feet and a depth of 5 feet. what is the surface...

Mathematics, 26.06.2019 02:40

Line p contains point (6 ,- 5 and is perpendicular to line q the equation for line q is y=3x+5 write an equation for line q the find slope of line p w...

English, 26.06.2019 02:40

Which excerpt from the passage is the clearest example of fluff?

Mathematics, 26.06.2019 02:40

One year ago, celeste was 4 feet 6 inches tall...

History, 26.06.2019 02:50

Which side had more determination in the civil war? -north or south?...

English, 26.06.2019 02:50

The dark game what is the controlling idea ?...

Mathematics, 26.06.2019 02:50

Many graduate schools require applicants to take a certain test those taking the test received three scores a verbal reasoning score a quantitative re...

More questions: Mathematics Another questions