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peter
Questions (307)
11. Solve the in equality: (3mks)
2x – 1 ≤ 3x + 4 < 7 – x
2 answers
94 views
10. Simplify: (2mks)
253/2 x 9 ½ x 22 52 x 3
2 answers
125 views
the major commercial aluminium ore is bauxite,AlO3.H2O(s).What is its molar mass?The analysis of a representive sample of
1 answer
163 views
explain why the colour for ions in the flame tests differ
3 answers
269 views
a lever has MA of 30 and VR 3.5 ,if the effort 3.5N. Calculate : 1. The load.
2. Efficiency
1 answer
130 views
The MRT train takes 30 minutes to travel from EDSA-Pasay Station to Shaw Boulevard Station. The train accelerates from rest at a
1 answer
267 views
A roller skater, DJ, starts off with an initial velocity of 3 m/s before he gets to a sloppy surface when he gains speed at a
1 answer
425 views
a tub can drain 24 gallons of water in 5 minutes what is the rate in cups per second
3 answers
467 views
write an action plan fora long-term goal of yours. Apply the six sugges-tions for setting goals. Break up the goal
1 answer
349 views
determine the residual gas when 20.0cm³ of hydrogen was sparked 15.0cm³ of oxygen and the resulting mixture cooled at room
4 answers
498 views
if the time is 1.ppm in long0degree ,what will be the time in long 20 degree E
1 answer
160 views
A Car travels 43 miles on one gallon of petrol. How far will it travel on seven gallons?
1 answer
429 views
What are the normality and molarity of a solution prepared by dissolving 8.050g Ba(OH)2•8H2O in 1500ml of solution?
3 answers
818 views
What is the equivalent weight of: (a) Potassium tetraoxalate, KHC2O4•H2C2O4•2H2O, if the complete neutralization is assumed.
3 answers
1,388 views
A 0.5000g sample of FeO is ignited to Fe2O3; what is the percentage gain in weight?
3 answers
349 views
An impure sample of Na2SO4 weighed 1.562g. A BaSO4 precipitate from this sample weighed 2.496g. Calculate the percentage of
3 answers
991 views
gyazo.com/fe97da5414614d449fe6156503e3ac0e
anyone know how to solve this rate question?
1 answer
414 views
From the average separation between air molecules at STP, and their mean speed, estimate how long it would take one molecule to
2 answers
1,056 views
a jar contains blue,red,and green marbles.The ratio of blue:green:=3:5:4.What is the possibility that a marble choose at ransom
3 answers
875 views
why is atom electrically neutral
5 answers
476 views
Poisson Processes and Bayes' Rule
We observe a Poisson process with unknown rate. The rate 𝜆 of the Poisson process is either
2 answers
832 views
Problem 2. Continuous Random Variables
2 points possible (graded, results hidden) Let 𝑋 and 𝑌 be independent continuous
3 answers
2,664 views
A drawing has a scale of 1/4" = 1'. A window in that drawing measures 2' x 4'. What would be the size of this window on the
4 answers
1,510 views
Nine more than the quotient of two and a number x.
10 answers
3,293 views
How do animals change in Familiar stories?
1 answer
500 views
Which of the following sentences is punctuated incorrectly?
A. Oh! I didn’t know the party was tonight. B. Shreya, the birthday
2 answers
826 views
Jane has 3 times as many cards as peter. the average number of cards owned by the two children is 64. how many cards does jane
2 answers
946 views
a farm machine has a velocity ratio of 12 and an actual mechanical advantage of 10.calculate the work input of the machine if it
2 answers
664 views
according to the data in the merck index,if 1,0g of aspirin is dissolved in 100ml of water at 37,how much aspirin will
4 answers
2,143 views
Who am I?
I am a national builder My favourite letter is K My favourite food is Japanese
1 answer
472 views
there were 825 pupils in a school. 52 percent were boys. more boys joined the school and the percentage of boys became 64
1 answer
432 views
As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of
4 answers
7,156 views
Mr. Vasil drove 405 miles on 15 gallons of gas. How many miles can he drive on 1 gallon?
5 answers
1,095 views
A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement,
2 answers
684 views
find the number that is twelve and a quarter times greater than its reciprocal<x
1 answer
380 views
A vehicle travels equal distances at 60km/h and 90km/h.calculate its average speed
4 answers
1,608 views
six years ago, jim was four times as old as Fe. In four years, he would be twice as old as fe.How old are they now?
2 answers
834 views
The interior of a submarine located at a depth of 50 m in seawater is maintained at
sea-level atmospheric pressure. Find the
3 answers
1,526 views
Calculate the number of moles of hcl(aq)added to sodium thiosulphate
4 answers
1,174 views
Rewrite the set {x|2Ex<33:xEN} in roster form
3 answers
543 views
Two wires support an electricity pole. if the wires make angles of 58°and 67° with the ground and |AB|=21m, calculate the
4 answers
1,676 views
A 0.158 g sample of magnesium metal reacts completely with 100.0 mL of 1.0 M hydrochloric acid in a coffee cup calorimeter. The
3 answers
1,357 views
"I hope this song will help you to bring your country back to its stage it was and motivate to develop it more further. "
Since
4 answers
454 views
prove that:
4cosec2ACot2A=cosec^2A - sec^2A
3 answers
502 views
when astone is thrown slighty above amoving lorry .where will the stone fall? .2.when loam soil is mixed with sandy soil .what
1 answer
374 views
Calculate the total resistance for a 650 ohm, a 350 ohm, and a 1000 ohm resistor connected in series.
6 answers
3,953 views
given thatvABCD is a parallelogram where A(1,2),B(4,4), and C(6,2) determine the coordinates of D using vector?
1 answer
327 views
What amount of carbon dioxide is produced per kJ of heat produced in burning ethene, C2H4?
3 answers
476 views
Draw the two chair conformers of cis-1-ethyl-4-isopropylcyclohexane
2 answers
577 views
Why do alkenes but not alkanes exhibit cis-trans isomerism?
3 answers
618 views
Mirk Labs is a pharmaceutical company that currently enjoys a patent monopoly in Europe, Canada, and the U.S. on Zatab, an
2 answers
614 views
Mirk Labs is a pharmaceutical company that currently enjoys a patent monopoly in Europe, Canada, and the U.S. on Zatab, an
2 answers
594 views
A Titan IV rocket has put your spacecraft in a circular orbit around Earth at an altitude of 230 km. Calculate the force due to
4 answers
622 views
Is the south african government is not providing enough welfare or subsidies to the poor and underpriviledged?
1 answer
455 views
A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at
5 answers
2,357 views
A snapshot measures 2 1/2 inches by 1 7/8 inches. It is to be enlarged so that the longer dimension will be 4 inches.The length
7 answers
8,519 views
If a @ b is defined for all positive integers a and b by the equation a @ b = a(b-a),then 4 @ (3 @ 5)=
1. 2 2. 6 3. 8 4. 22 5. 28
1 answer
295 views
If r boxes of rubber bands cost d dollars,how much do 7 boxes cost at the same rate?
1. 7dr 2. 7d/r 3. d/7r 4. r/7d
1 answer
400 views
What is the maximum number of cubes with a side of length 1/3 that can fit inside a cube with a side of length 1 ?
1.3 2.9 3.18
2 answers
1,033 views
Beth is two years older than Julio.Gerald is twice as old as Beth.Debra is twice as old as Gerald.The sum of their ages is
2 answers
1,176 views
y
.(8,5) (3,1) . .(7,1) 0 x What is the area of the triangle in the figure above?
7 answers
346 views
The Cooking Club made some pies to sell at a basketball game to raise money for the new math books.The cafeteria contributed
10 answers
4,474 views
In a list of numbers that starts with the number 13, every number is 4 less than twice the number that comes just before it.What
5 answers
381 views
If 3= 9b/a ,What is a/b equal to ?
4 answers
660 views
A compact disc is placed in a player that randomly selects and plays songs from the disc.The compact disc contains 3 ballads, 4
10 answers
1,241 views
Evaluate: 4^8 + 4^8 + 4^8 + 4^8 + 4^8 + 4^8 + 4^8 + 4^8
3 answers
323 views
Jack and Jerry can complete a job in 2 hours when working together.If Jack requires 6 hours to finish the job alone,how many
5 answers
685 views
Craig made a cylinder-shaped sand candle.The radius of it base is 4 cm, its height is 18 cm.How many cubic centimeters of sand
5 answers
500 views
One package of water plants is recommended for 3000 cubic centimeters of water in a fish tank.How many packages of plants will
1 answer
425 views
Lena plans to fill her 22-cm cube to within 2 cm of the top.How many cubic centimeters of dirt will Lena need?
4 answers
483 views
Each term in a sequence of numbers, except for the 1st term, is 2 less than the square root of the previous term.If the 3rd term
4 answers
1,515 views
In how many different ways can five students be seated in three chairs?
5 x 4 x 3 =60 am I right?
3 answers
731 views
how many positive intergres less than 20 are equal to the sum of two different prime number?
3 answers
404 views
If there are 20 to 25 apples in a basket and there are 3 to 4 baskets in a bushel, what is the minimum number of bushels that
2 answers
540 views
In a recent civil service examination, 1/8 of the candidates failed the first part of the test.Of those eligible to take the
3 answers
677 views
Jonathan has 1/3 as many green marbles as he has red marbles and 1/6 as many red marbles as he has yellow marbles.What part of
4 answers
1,068 views
Which is the best restatement of the following sentence?
Right or wrong, I assumed this ground, and now avow it
4 answers
2,322 views
A straight line is the shortest distance between two points. In a triangle, the sum of two sides of the triangle is greater than
5 answers
617 views
If two angles of a triangle are unequal, the sides opposite these angles are unequal, and the greater side lies opposite the
5 answers
496 views
a cylinder of diameter 1cm at 30 degrees celcius is to be slid into a steel plate. the hole has a diameter 0.9997cm at 30
3 answers
2,771 views
What is the value of the expression a / uv
if a, u, and v are each doubled 1. multiplied by 2 2. multiplied by 3. divided by 2 4.
1 answer
467 views
0.0357 x # = 357 x 2,# =
1. 200 2. 200,000 3. 2,000 4. 20,000 5. 7,140
4 answers
403 views
R and T are points on straight line PQ on which PR = RT =TQ. what percent of PT is PQ ?
4 answers
974 views
If 20 teachers in a faculty of 80 are transferred,what percent of the original faculty remains?
4 answers
682 views
If a cart is initially travelling at 3.5 m/s, and has a mass of 200g, what is it's kinetic energy (LEAVE OUT units of J)?
2 answers
580 views
difference in resultant vs. equilibrant force
1 answer
436 views
1. describe in outline a suitable procedure for the preparation of saturated solution of sodium nitrate at 30 degree celsius
2.
2 answers
843 views
If #(a,b,c,d)means you subtract the sum of the terms from zero, and # (4,-8,11,d)=14, then d=
answer and explain
1 answer
312 views
A two-digit number is chosen at random.What is the probability that the chosen number is a multiple of 7 ?
please answer and
7 answers
4,180 views
If # (a,b,c,d)means you raise b,c and d to the power of a and then take the sum of the resulting values, and # (2,3,4,d)=89,then
5 answers
303 views
If # (a,b,c,d) means you take the positive value of the square root of each term, then add the resulting values, and #
6 answers
408 views
If #(w,x,y,z)means you raise w,x,and y to the power of z and then take the sum of the resulting values ande # (8,10,11,z)=3,then
1 answer
331 views
If #(w,x,y,z)means you square the product of all the terms, for all positive value of w,x,y, and z and #(1,2,3,z)=144, then z =
1 answer
305 views
If #(w,x,y,z)means you square the product of all the terms, for all positive value of w,x,y, and z and #(1,2,3,z)=144, then z =
1 answer
324 views
If # (w,x,y,z) means you multiply the sum of w and x by the sum of y and z, and # (2,3,4,z)=40,then z =
a. 5/3 b. 2 c. 4 d. 5 e.
1 answer
319 views
If #(w,x,y,z)means you multiply the sum of w and x by the sum of y and z, and #(2,3,4,z)=40, then z=
a. 5/3 b. 2 c. 4 d. 5 e. 8
1 answer
283 views
skating speeds are normally distributed with a mean of 60 and a standard deviation of 10. Determine the speed that separates the
1 answer
405 views
average commuting distance 10.9 miles which is also the mean of a sample of 300 commuters. Sample sd is 6.2 miles . Estimate the
1 answer
345 views
ross buys 3 packages of 12 veggie burgers each. he also buys enough packages of 8 rolls so that there is a roll for every veggie
1 answer
454 views
Shep goes to his favorite coffee shop every morning and always buys one large latte, no matter whether there is a special or not
3 answers
2,325 views
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