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How many kilograms of 30% salt solution by mass and 40% salt solution by mass should be mixed to form 200 kg of 37% salt solution by mass?
answered
May 24, 2022
Mathematics
high-school
8
votes
186k
views
Reread the poem “A Minor Bird,” by Robert Frost. I have wished a bird would fly away, And not sing by my house all day; Have clapped my hands at him from the door When it seemed as if I could bear no more.
answered
Apr 11, 2022
History
college
6
votes
6.5k
views
If the atmospheric carbon concentration was 280 parts per million in 1750, what was the concentration in 2012?
answered
Nov 24, 2021
Biology
college
3
votes
225k
views
Electrical energy is converted into kinetic energy in a motor a battery an electromagnet a solenoid
answered
Oct 5, 2021
Mathematics
middle-school
5
votes
148k
views
How many grams of water can be vaporized with 6500 J of energy? The heat of vaporization for water is 2330 J/g.
answered
Sep 29, 2021
Chemistry
high-school
5
votes
41.6k
views
What is the range? 0,10,-24,-5,-5,3,3,-8,10
answered
May 9, 2021
Mathematics
high-school
5
votes
126k
views
TIME REMAINING 54:00 Which statement best describes the relationship between prophase and telophase? A. The spindle fibers bring the chromosomes together in prophase then apart in telophase. B. The spindle
answered
Feb 11, 2021
Biology
middle-school
0
votes
43.3k
views
A meter is 100 centimeters, so a centimeter is one hundredth of a meter (0.01 meter). A meter was divided into two parts. One part was 0.37 meter long. How long was the other part?
answered
Feb 8, 2021
Mathematics
high-school
3
votes
55.8k
views
Can someone help me on a.) and b.) please... Thanks so much!!!
answered
Nov 22, 2020
Mathematics
middle-school
5
votes
56.9k
views
What was the purpose of the Athenian assembly? Declare war. Raise taxes. Create laws. All of the Above.
answered
Oct 30, 2020
Social Studies
middle-school
4
votes
94.9k
views
A biker pedals hard to ride his bike to the top of a 44 m hill. He decides to let his bike coast down the hill, and is having so much fun coasting that he decided not to pedal even climbing the next hill.
answered
Sep 18, 2020
Physics
middle-school
4
votes
219k
views
20. Define the following word using the meaning of the suffix. Use your dictionary if you are uncertain of the definition. Argument a.full of disagreement b.act of disagreement c.state of disagreement
answered
Jun 19, 2020
English
college
2
votes
137k
views
What effect does el nino have on the united states?
answered
May 30, 2020
Geography
high-school
4
votes
88.7k
views
“Did you smell smoke in the building” in this sentence smell is a linkin or action verb ?
answered
Sep 13, 2019
English
middle-school
4
votes
103k
views
Which graph represents the function f(x)=0.25x+5
answered
Aug 28, 2019
Mathematics
middle-school
3
votes
232k
views
According to gardner's theory (which has been revised over the years), there are as many as __________ types of intelligence.
answered
Jun 10, 2019
Social Studies
high-school
2
votes
149k
views
Which factors affect the number of calories a person needs each day? Select three options. age sex height Those 3 are the correct answers
answered
Apr 26, 2019
Health
college
5
votes
34.6k
views
What is the primary function of most bacteria in a food web? A) producer B) predator C) decomposer D) primary consumers
answered
Mar 5, 2019
Biology
college
5
votes
137k
views
A wave has a wavelength of 10mm and a frequency of 5 hz what is the speed?
answered
Dec 18, 2018
Physics
high-school
5
votes
151k
views
Ann's marbles (A) and Mike's 12 marbles (M) put together are always more than Genny's 22 marbles (G).
answered
Nov 26, 2018
Mathematics
college
4
votes
173k
views
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