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mohammad
Questions (17)
Tania recorded the number of butterflies she saw on her daily runs each day for a week. The numbers are: 1, 8, 2, 2, 5, 6, and
1 answer
311 views
The table shows the number of points scored by a basketball team during their first several games.
Find the mean of the number of
1 answer
774 views
1. A volumetric pipet is stamped by the manufacturer with “TD 25 10 mL”. Explain what this means.
2 answers
1,524 views
Why is it important to make sure there are no air bubbles in the tip of a buret below the stopcock before using the buret to
1 answer
1,252 views
Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess hydrochloric acid. (AM of Al= 26.9g/mol) 2Al
1 answer
1,908 views
what volume of carbondioxide is produced when 10g of Hcl reacts completely with caco3
caco3+2HCl=cacl2+H2o+Co2 moles
1 answer
624 views
use the terms atome and element to xplane what makes silver and gold different
0 answers
363 views
For the period 1995-2002, the total personal expenditures (in billions of dollars) in the United States for food, f(x), and for
1 answer
666 views
A picture hangs on the wall suspended by two strings, as shown in the
figure, with θ = 65°. The tension in string 1 is 1.3 N.
4 answers
1,686 views
Can someone help me to solve these questions please?
1) 3^x+1=9^x. Find the value of x. 2) find the value of m for which.
1 answer
383 views
thanks to reiny and steve,
I repeat again that steve answer is incorrect, and I did not type it incorrectly . I mailed the ? as
0 answers
438 views
HI STEVE,
THANKS for your reply back it was the wrong answer the one you worked, yes a hard question, here is an example of
1 answer
574 views
COULD SOME OF WITH DEGREE IN MATHS HELP ME TO SOLVE THIS SIMULTANEOUS EQUATION PLEASE, PLEASE ?
I HAVE RIED DIFFERENT METHODS BUT
1 answer
626 views
Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the
0 answers
518 views
Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the
2 answers
528 views
Water flows at 0.865 m/s from a hot water heater, through a 450kPa pressure regulator. The pressure in the pipe supplying an
0 answers
720 views
COMPARE A HYPOTHESIS WITHA THEORY
1 answer
433 views
Answers (10)
A bag contains six red marbles and three blue marbles. Another bag contains seven green marbles and six yellow marbles. You randomly pick one marble from each bag. What is the probability that one marble is blue and one marble is yellow?
coco is right. belive me
your welcome
b b d
tue every diameter has a chord
i dont no
no solution
A baseball player slides into third base with an initial speed of 7.75 m/s. If the coefficient of kinetic friction between the player and the ground is 0.45, how far does the player slide before coming to rest?
sorry. here is complete answer. We know our diameter is 1.2cm so our radius is 0.6 cm or 0.006 m. Now we find our volume flow rate, Q. so 155l/8min * 1min/60s *1m^3/1000L = 3.2292*10^-4 m^3/s. Velocity= Volume flow rate/Area V=Q/A V= 3.2292*10^-4 m^3/s/
We know our diameter is 1.2cm so our radius is 0.6 cm or 0.006 m. Now we find our volume flow rate, Q. so 155l/8min * 1min/60s *1m^3/1000L = 3.2292*10^-4 m^3/s. Velocity= Volume flow rate/Area V=Q/A V= 3.2292*10^-4 m^3/s
