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Question 1123908: A stone is thrown upward with an initial velocity of 15.24 m/s. What will its maximum height be? When will it strike the ground? Where will it be in 1.30 s?
Thankyou in advance!
Click here to see answer by ankor@dixie-net.com(22740)

Question 1124048: 8 more than twice a number is eight
Click here to see answer by Alan3354(69443)

Question 1124090: I need to find the area of the shaded region (it has this irregular shape inside a square that's why it's hard for me to solve it) with equal sides of 10 inch I'll send you the diagram privately if you'll be kind enough to respond it would be a huge help thank you
Click here to see answer by josgarithmetic(39613)

Question 1124093: A money lender lends money collecting 5 paise for every rupee per month.find the rate of interest.

Click here to see answer by Theo(13342)

Question 1124129: Find the area of the shaded region with equal sides of 10 in"
Image link here
http://i.imgur.com/xmw2XyJ.jpg
Click here to see answer by ikleyn(52752)

Question 1124260: Evaluate: b[-c(c-b)]+b if b=-3 and c=2
Click here to see answer by MathLover1(20849)

Question 1124388: In a mythical country where the number system is base 5, the soap price is increased 40 base 5 percent later the new price is reduced by 40 base 5, what percent of the original price is base 5
Click here to see answer by Alan3354(69443)

Question 1124385:
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Question 1124467:
Click here to see answer by Alan3354(69443)

Question 1124549: Two planes left the same airport traveling in opposite directions. The first plane left at 9:00 a.m. and 2.25 hours later, the two planes were 1825 miles apart. The second plane left at 10:00 a.m. and its average rate was 108 miles per hour slower than the first plane's average rate. Let x represent the first plane's average rate.
What was the first plane's average rate?

Enter an equation that can be used to solve this problem in the first box.
Solve for x and enter the first plane's average rate in the second box.
Click here to see answer by Boreal(15235)

Question 1124523: explain how to find the final price, including a tip or tax, by calculating the percentages separately and then using those answers to determine the outcome.
Click here to see answer by Boreal(15235)

Question 1124524: explain how to find the final price, including tip or tax, by determining the percentage of the answer and then using that value to determine the outcome.
Click here to see answer by ikleyn(52752)

Question 1124753: A cyclist travels 6 km due east and then makes a turn to travel a further distance of 8 km due north. The whole journey takes 2 hours. Calculate
* the distance traveled by the cyclist
* the average speed of the cyclist
* the displacement of the cyclist
* the average velocity of the cyclist
Click here to see answer by josgarithmetic(39613)

Question 1124750: A car travels at various speeds during a short journey. The table shows the distance traveled and the time taken during each of four stages P,Q,R and S.
stage P Q R S
distance traveled/km 1.8 3.6 2.7 2.7
time taken/minutes 2 2 4 3
During which two stages is the car travelling at the same speed?
A. P and Q
B. P and S
C. Q and R
D. R and S
Click here to see answer by Theo(13342)

Question 1124759: A child is standing on the platform of a station, watching the trains.
A train travelling at 30 m/s takes 3 s to pass the child.
a. 10m
b. 30m
c. 90m
d. 270m
Click here to see answer by ikleyn(52752)

Question 1124760: A car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road.
what is the average speed of the car for the whole journey?
a. 60km/h
b. 70km/h
c. 80km/hr
d. 100km/h
Click here to see answer by ikleyn(52752)

Question 1124758: A man crosses a road 8.0 m wide at a speed of 2.0 m/s.
How long does the man take to cross the road?
a. 4.0s
b. 6.0s
c. 10s
d. 16s
Click here to see answer by ikleyn(52752)

Question 1124761: A tunnel has a length of 50 km. A car takes 20 minutes to travel between two ends of the tunnel.
What is the average speed of the car.
a. 2.5 km/h
b. 16.6 km/h
c. 150 km/h
d. 1000 km/h

Click here to see answer by ikleyn(52752)

Question 1124762: The circuit of a motor racing track is 3 km in length. In a race, a car goes 25 times round the circuit in 30 minutes. What is the average speed of the car?
a. 75 km/hour
b. 90 km/hour
c. 150 km/hour
d. 750 km/hour
Click here to see answer by ikleyn(52752)

Question 1124763: a car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speeds is 30 km/h. The journey takes two hours. What is the average speed for the journey?
a. 30 km/h
b. 50 km/h
c. 60 km/h
d. 90 km/h
Click here to see answer by ikleyn(52752)

Question 1124754: A through whose cross section is given on the right is 10m long.If AB And ED are vertical and AE is horizontal find the amount of water it can be hold when full
Click here to see answer by ikleyn(52752)

Question 1124756: HOW TO DERIVE THIS PROBLEM:
when the particles moves the first half of a distance at a speed of v1 and second half of the distance at speed v2 then
Vav= 2v1+2v2/v1+v2

Click here to see answer by Alan3354(69443)

Question 1124871: A piece of stone is submerged in a rectangular water tank whose base is 25cm by 50cm.Raising the level of the water by 1cm.what is the volume of the stone?
Click here to see answer by josgarithmetic(39613)

Question 1124898: A basketball player's hang time is the time spent in the air when shooting a basket. The formula t equals StartFraction StartRoot d EndRoot Over 2 EndFraction
models hang time, t, in seconds, in terms of the vertical distance of a player's jump, d, in feet. When a particular player dunked a basketball, his hang time for the shot was approximately 1.08 seconds. What was the vertical distance, d, of his jump, rounded to the nearest tenth?
Click here to see answer by MathLover1(20849)

Question 1124872: A rectangular hole 3cm by 4cm is cut through a cylinder whose base radius is 10cm and whose height is 12cm.find the volume of the remaining solid.
Click here to see answer by ikleyn(52752)

Question 1124870: The external dimensions of a closed metallic rectangular box are 16cm by 28cm by 40cm.If the metal is 2cm thick. what are the internal measurement of the box? find the volume of the metal used in making the box?
Click here to see answer by ikleyn(52752)

Question 1124869: A rectangular a tank,3m long 2m broad and 1m deep is filled with water to a depth of 3/4m.How many bricks measuring 1/5m by 1/8m by 1/10m can be put into it before the water overflows???
Click here to see answer by ikleyn(52752)

Question 1124873: A swimming pool 50m long and 25m wide is 5.5m deep at one end and 1.5m deep at the other.The floor of the pool slopes uniformly. find the volume of the water when it is filled..
Click here to see answer by greenestamps(13195)

Question 1125010: A doctor administers a drug to a 31-kg patient, using a dosage formula of 47 mg/kg/day. Assume that the drug is available in a 100 mg per 5 mL suspension or in 400 mg tablets.
a. How many tablets should a 31-kg patient take every four hours?
b. The suspension with a drop factor of 10 ggt/mL delivers the drug intravenously to the patient over a twelve-hour period. What flow rate should be used in units of ggt/hr?

The answers are:
a. The patient should take 0.61 pills every 4 hours.
b. The intravenous suspension flow should be set to 30.35 ggt/hour.
Can someone help me figure out how to get these answers written out :)

Click here to see answer by Boreal(15235)

Question 1125016: A certain antihistamine is often prescribed for allergies. A typical dose for a 100-pound person is 19 mg every six hours. Complete parts a and b below.
a. Following this dosage, how many 13.5 mg chewable tablets would be taken in a week?
B. This antihistamine also comes in a liquid form with a concentration of 13.5 mg/8 mL. Following the prescribed dosage, how much liquid antihistamine should a 100-pound person take in a week?
Answers:
a. A 100-pound person could take 39 tablets in a week.
b. A 100-pound person could take 315 mL in a week.
can you help me figure out how to get these answers written out :) thanks!
Click here to see answer by josgarithmetic(39613)

Question 1125023: A picture frame measures 16cm by 30cm on the outside, and 176cm^2 of picture shows.fine the uniform width of the frame around the picture
Click here to see answer by greenestamps(13195)

Question 1125109: The figure shows how 201cm cubes are glued together to form a solid find the surface area of the solid
Click here to see answer by Alan3354(69443)

Question 1125108: The figure represent a two tier cylindrical cake each is 3cm thick. the diameter of the upper and bottom tiers are 20cm and 30cm respectively. Find the volume of the cake..
Click here to see answer by Alan3354(69443)

Question 1125168: In how many ways could five different envelopes be distributed into three mailboxes? The answer is 300 but I don�t understand how to do it please help
Click here to see answer by ikleyn(52752)

Question 1125268: Determine all the prime factors of 210. Using combination, determine the total number of factor of 210?
Click here to see answer by MathLover1(20849)

Question 1125287: Hi, I have a problem with the algebra of getting the derivative of:
So far I know it uses product and chain rule

From here my work is definetly wrong if I didn't miss any rules:

Put everything over 2 due to the

Then I took out/factored out :

moving the negative down, then I get for a final answer of
which is also

But the answer is actually:
OR
I'm certain by algebra is messed up somewhere, most likely when I factored but I can't find what I did wrong. I'm very confused since my teacher can easily do it in a few steps but I got lost very fast. Any help would be really great if possible!
Click here to see answer by josgarithmetic(39613)

Question 1125383: https://vle.mathswatch.co.uk/images/questions/question2399.png. please I need help with this hard problem :) thanks
Click here to see answer by MathLover1(20849)

Question 1125383: https://vle.mathswatch.co.uk/images/questions/question2399.png. please I need help with this hard problem :) thanks
Click here to see answer by greenestamps(13195)

Question 1125382: https://vle.mathswatch.co.uk/images/questions/question2408.png
please help me, thanks :)
Click here to see answer by MathLover1(20849)

Question 1125382: https://vle.mathswatch.co.uk/images/questions/question2408.png
please help me, thanks :)
Click here to see answer by Theo(13342)

Question 1125385: https://vle.mathswatch.co.uk/images/questions/question17405.png please I need help with this homework and I cannot figure this out :) thanks
Click here to see answer by Theo(13342)

Question 1125439: The function f(X) =(x-2)(x+1)/(x-3) is undefined for........

Click here to see answer by josgarithmetic(39613)

Question 1125441: The graph of y = psinax have a amplitude of 3 and a period of 180�.if the one turning point is (135�;-3),Then the value of a=? And p=?

Click here to see answer by Theo(13342)

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