kareen

This page lists questions and answers that were posted by visitors named kareen.

Questions

The following questions were asked by visitors named kareen.

A solution containing 4.5 grams of non-electrolyte dissolved in 125 grams of water freezes at -0.372 degrees. Calculate the molar weight of the solute.

which of the following represents a function on a line. ellipse circle horizontal vertical Is the correct answer vertical?

A car travels 200 miles at 55 miles per hour at 22 miles per gal. How many gallons of gasoline would it use in 5 hours? my answer is 12.5 gals.

There are 5 students in a classroom. The median age of the children are 9. Two of the children ages are 5. The range of all the students are 7. What is the age of the second to the last child? 5, 5, 9, ? , 12 Is the answer 12? May you please give an expla...

There are 24 marbles in a jar. Nine of the marbles are yellow and the remainder are blue. What is the probability of picking one blue marble from the jar? Is the correct response 5/8?

8 ft of ribbon cost $4.80. The ribbon was cut into pieces measuring 16 inches. What is the cost of each piece? Is the answer $0.80?

Which of the following is a solution of the inequality -3 is less than 2x +1 is less than 5 Answer = 4

Solve for x 4 x-1 / 5 = 2x +1

If 5a =b, then a = answer = 5(a+b)

(x-1) (x-8) x sqrt +8

(x+3) (x+9) x sqrt +27

what is 30% of $325? 30/100 *325= $97.50

What percentage is $6 of $20? 6/20 *100 = 30%

3x - 2= 8 3x-2+2 = 8+2 3x= 10 3x/3 = 10/3 x= 3 1/3

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31

Tom travelled to the train station at 60 mph and arrived 1 minute earlier. He then travelled back home at 30 mph and arrived 1 minute late. How long was the trip. D= 60 * T - 1 + 30*T+1 60T+30T -1+1 90 t

Six people used a spa for 20-40 min. for an average of 48 minutes.How many would be able to use it for 50 minutes if one person used it for 50 min is the answer 8

A treasure box contained 3 bags of mint and 4 bags of chocolate. What is the probability of a student grabbing a bag of mint without looking? 3/7

A picture frame has a height of 10cm and width 8 cm. If you take 2 1/2 from the height from both sides and 2 cm from one side, what is the area? 24 cm sqrt

Please help me with the following question with proper explanation =) Which of the following is/ are incorrect statement? (A) Electron transport chain is coupled with the hydrolysis of hexose phosphate. (B) Cytochrome is a pigment and electron carrier mol...

Answers

The following answers were posted by visitors named kareen.

i need help with control and variables sheet with the spongebob and bikini bottom pals

8/240=x/720 240x=5760 240x/240= 5760/240 x=24

1hr and 45 mins.

8ft ribbon cost $4.80. The ribbon was cut in pieces of 16 in. What is the cost of each piece? $0.80

Are you saying I could write any number there. My thinking is that the range of all the children is 7 therefore the 5th child would be 12. I am completely lost and have no idea the solution here!!!!

No it did not give an average. This makes sense. Thank you. If it did give an average. The answer would then be 5+5+9+x+12 27+ x/5 = ?

Ok 5a=b 5a/5 =b/5 answer = b/5 Thank you

(4x-1)/5 =2x+1 5*(4x-1)/5 =2x +1 *5 4x-1 = 10x+5 4x-1 +1 =10x +5+1 4x = 10x+6 4x-10x = 10x+6-10x -6x = 6 -6x/-6 = 6/-6 x = -1

Thank you. I was going crazy trying to think what else to do

Can someone please answer