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kathryn

Questions (30)

Earth's energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be
1. 6 answers
2. 1,695 views
The specific heat of copper metal is 0.385 J/ g- K. How many KJ of heat needed to raise the temperature of 1.1 kg block of
1. 1 answer
2. 1,969 views
1. Ms.lynch has 21 coins in nickels and dimes. Their total value is $1.65. How many of each coin does she have?2. A vending
1. 2 answers
2. 1,644 views
The second of two numbers is 7 times the first. Their sum is 72. Find the numbers.
1. 5 answers
2. 1,317 views
1. 2(x+3)squared-6x+5=0Answer= 2xsquared+6x+23=0 2. 3xsquared-6x+5=-2(x+1)-10 Answer= 3xsquared-4x+17=0 How would I solve from
1. 2 answers
2. 578 views
What are some ideas for a title of an article on dances at school?
1. 3 answers
2. 613 views
x+y=03x+y=-4 Sovle each system of equation by graphing. If got the answer (-3,3), but it's not there. Please explain!
1. 1 answer
2. 1,004 views
If the 50.0 kg boy were in a spacecraft 5R from the center of the earth, what would his weight be? (Use the 50.0 kg boy for
1. 1 answer
2. 1,004 views
If an object is dropped from a tall building and hits the ground 3.0 s. later, what is the magnitude of the object's
1. 1 answer
2. 962 views
If an object is dropped from a tall building and hits the ground 3.0 s later, what is the velocity of the object when it hits
1. 2 answers
2. 817 views
If an object is thrown up at an initial velocity of 9.8 m/s, what would be the magnitude of the final velocity upon impact with
1. 1 answer
2. 500 views
If an object is thrown up at an initial velocity of 9.8 m/s, what would be the magnitude of the final velocity upon impact with
1. 1 answer
2. 449 views
If an object is dropped from a tall building and hits the ground 3.0 s later, how tall is the building?
1. 2 answers
2. 1,346 views
I have two questions that I really don't understand.The first one is: A reaction proceeds with delta H=-10kJ/mol. The energy of
1. 4 answers
2. 1,228 views
Does Kv2SOv4, Kv2COv3 or KCv2Hv3Ov2 create the greatest increase in pH when mixed with water?
1. 2 answers
2. 434 views
The normality of Hv2SOv4 is given as 0.20 N for a reaction in which the Hv2SOv4 furnishes two hydrogen ions. What is the
1. 1 answer
2. 1,036 views
What is the gram equivalent mass? In a reaction of Hv3POv4 with a base, three protons are donated for each formula unit of
1. 1 answer
2. 457 views
A rectangular box measures exactly 72 cubic feet. What are its possible dimensions? Give 3 answers.
1. 2 answers
2. 668 views
How many atoms of element "R" are present in 55.80 g of (AH3)4(R2O3)4 (molar mass = 478.17 g/mol)?Please help. I've tried going
1. 0 answers
2. 466 views
Hello, I am looking just for someone to tell me how I go about doing this problem, ie. the formula that i would need to know for
1. 1 answer
2. 415 views
Your hospital has just received a reimbursement rejection from the fiscal intermediary for two outpatient procedures that were
1. 0 answers
2. 513 views
The probability of receiving a false positive on a mammogram is 7%. If the patient receives 10 mammograms in her lifetime what
1. 1 answer
2. 524 views
a scientist wants to make a solution of tribasic sodium phosphate ,Na3PO4, for an experiment. how many grams of Na3PO4 will be
1. 2 answers
2. 1,207 views
a buffer is prepared by combining 10.0g of NaH2PO4 wiht 150mL of 0.20M NaOH and diluting to 2.0L. What is the pH of the buffer,
1. 3 answers
2. 1,569 views
how do you solve the integral of 1/[(square root of x)(lnx)] from 2 to infinity?i did the p- integral theorem with 1/square root
1. 1 answer
2. 613 views
What do most countries in middle & south America have in common with the U.S.??How are they different?? i could use some help
1. 2 answers
2. 456 views
what are the main influences on central America & the Caribbean countries?a)Aztecs & Mayas b)ecotourism & communism c)the spice
1. 2 answers
2. 534 views
In a pattern, the # of colored tiles used in row x is 3 to the power of x. Find the number of tiles used in rows a, 5, & 6.i
1. 1 answer
2. 499 views
what is due process as defined by the constitution
1. 4 answers
2. 545 views
what does moral censure mean such as when used in the sentence plea bargaining conflicts with moral censure
1. 5 answers
2. 501 views

Answers (14)

poop u suck
dartboard is 16 inches and bulls eye is 6 inches
the larger of 2 #s is 5 less than twice the smaller. their sum is 43. find the #s
squared= ^2
i wrote about my school's dances (7th grade dances). It was be in the yearbook.
if 30apples = $47 then 1 apple = x cross mutilpy and you get 30x=$47 divide each side by 30 x=1.56666666 rounded to $1.57 per apple.
I realize this, but I don't understand how to get k1 and k2 in the first question or the second. Also it only gives one temperature in the first question so would t1 and t2 be the same?
san francisco is a city california a state
that doesnt help
I think it would be 1/12. Each dice has 6 numbers, thus there is a 1/6 probability of rolling any number. When you roll the second dice you have the same probability of getting any number. Since you want the numbers to be the same you would multiple the
rock the boat
o, well thanks for your help anyway, the worksheet says circle the letter of the best choice. so I'll just re-read the information.
thank you once again
thank you so much

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