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Chemistry
1h
A 14.15 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition (definite proportions) how many grams of sodium does a 7.01 g sample of sodium bromide contain?
I really do not understand how to solve it.
Chemistry
1h
Number of formula units in a 1.72 mole sample of CaO
Chemistry
1h
Number of formula units in a 1.72 mol sample of Cao
Algebra
1h
How much did she invest in each account?
Last year, Linda had $10,000 to invest. She invested some of it in an account that paid 8% simple interest per year, and she invested the rest in an account that paid 5% simple interest per year....
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Algebra
1h
What is the rate of the plane in still air and what is the rate of the wind?
Flying against the wind, an airplane travels 3960 km in 6 hours. Flying with the wind, the same plane travels in 7 hours. What is the rate of the plane in still air and what is the rate of the wind?
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Algebra
1h
How long was each sprinkler used?
The Howard family and the Green family each used their sprinklers last summer. The water output rate for the Howard family's sprinkler was 25L per hour. The water output rate for the Green family's...
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Algebra
1h
Find the cost for each pound of jelly beans and each pound of trail mix.
A store is having a sale on jelly beans and trail mix. For 2 pounds of jelly beans and 12 pounds of trail mix, the total cost is $25. For 5 pounds of jelly beans and 3 pounds of trail mix, the...
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Algebra
1h
Find the value of b
Find the value of b such that the system of equationsbx-20y=1212x+16y=−11does not have a solution.
Algebra
1h
The Royal Fruit Company produces two types of fruit drinks.
The Royal Fruit Company produces two types of fruit drinks. The first type is 70% pure fruit juice, and the second type is 95% pure fruit juice. The company is attempting to produce a fruit drink...
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Biology
2h
what symbiotic relationship are there that allow organisms to obtain carbon , phosphorus , nitrogen , or water
Math
Algebra
2h
need help with this problem
The Maximum weight that a rectangular beam can support varies jointly as its width and the square of its height and inversely as its length. If a beam 1/4 foot wide and 1/4 foot high, and 19 feet...
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Math
Algebra
2h
The volume of a cone varies jointly as the square of its radius and its height. If the volume of a cone is 9π cubic inches when the radius is 3 inches and the height is 3 inches,
The volume of a cone varies jointly as the square of its radius and its height. If the volume of a cone is 9π cubic inches when the radius is 3 inches and the height is 3 inches, find the volume of...
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Math
2h
A salesperson earns a weekly base salary plus a commission of %30 of all sales over the first $400. The situation can be represented by the expression 750+.3(x-400). What is the meaning of .03(x-400)?
Sbac
2h
what equation do I use to find the price of the vegetarian special?
On Thursday the restaurant collected $467 selling 21 veggie specials and 40 chicken specialsOn Friday the restaurant collected $484 selling 28 veggie specials and 36 chicken specialsenter the cost...
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History
2h
What actions did Congress take to expand political rights for Native Americans? What influenced the legislation they passed?
History
2h
How did the policies of the US government affect the relationship between settlers in the West and Native Americans?
Science
3h
If justin races his chevy s-10 down highway 37 for 2560 meters in 60 seconds,what is his average speed(velocity)?
Poem
3h
I need help on how to create a parallelism poem
It has to add a personification as well and it must be 8 lines
Physics
4h
Physics projectile motion
A soda can rolls off a table top and lands 0.225 m away 0.416 seconds later How tall was the table?
Math
4h
I need help on a math word problem that I am struggling on
A bag contains 9 marbles: 4 are green, 3 are red, and 2 are blue. Karen chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both...
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Business finance
4h
I am not sure how to calculate the error
The list price of an item is $74.26. Find the dollar amount of the error caused by treating the series discount 9/21 as a single discount of 9%+21%. Use the method of complements. Round each net...
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Math
4h
based on the graph what does 1,60 represent
Math
4h
based on the graph what does 1,60 represent
Maths
4h
Find the rate from 1 hours to 4 hours
Math
4h
1/2, 5/9, 11/18, 2/3 simplified next in sequence
I've answered 29 of 30 correct but can't get last one for anything... Help ~ please.
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RELATED QUESTIONS TO:
A 14.15 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition (definite proportions) how many grams of sodium does a 7.01 g sample of sodium bromide contain?
Answers · 1
Number of formula units in a 1.72 mole sample of CaO
Answers · 1
Number of formula units in a 1.72 mol sample of Cao
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