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Questions (30)

The radius of a pulley is 127 mm. Find the circumference of the pulley.
1. 1 answer
2. 132 views
find the radius of a circle if the arc the is 12cm and angle subtended is 5 over6 pie radians
1. 1 answer
2. 334 views
thomas made 318 curry puffs. he sold 2/3 of them.how many curry puffs were left?
1. 1 answer
2. 1,033 views
calculate the area of a sector of a circle which subtends an angle of 45° at the centre of the circle, radius 14cm
1. 16 answers
2. 7,938 views
hey can someone help me with these i need helpConsider the curve given by x2 + sin(xy) + 3y2 = C, where C is a constant. The
1. 1 answer
2. 2,089 views
can you guys help me with these questionsWhich of the following could be the units for dy/dx if y is the surface area of a tumor
1. 2 answers
2. 1,249 views
divide the 300Rs between hina and rina such that rina gets 100 less than 3 times what hina gets?
1. 3 answers
2. 722 views
a given sample of MgCl2 solution has 6×10^23 ions. what is the number of Cl(-1) ions in the same solution?
1. 1 answer
2. 455 views
there are 7 apples and 3 pears in a basket . in how many different ways can we pick an apple ?
1. 1 answer
2. 610 views
Suppose that a certain type of metalic tube contains on the average five defects per900 feet. Let X be the number of defects per
1. 0 answers
2. 584 views
A radioactive source of material emits a radioactive particle with probability 1/100in each second. Let X be the number of
1. 1 answer
2. 561 views
A multiple choice test has 16 questions. Each question has 4 possible answers withonly one is correct. Assume that all questions
1. 2 answers
2. 1,451 views
A weighted coin is flipped 200 times. Assume that the probability of a head is 0.3and the probability of a tail is 0.7. Each
1. 0 answers
2. 626 views
Let X be a Poisson random variable with µ = EX = 0.4 and let Y be anotherrandom such that E[(2Y + 1)2 ] = 10 and E[(Y − 1)2 ]
1. 0 answers
2. 487 views
The random variable X has the Poisson distribution with parameter λ > 0. Accordingto Chebeyshev’s Theorem, P(s < X < 99) ≥
1. 1 answer
2. 738 views
the average giant pacific octopus weighs about 75 pounds. the largest octopus ever found weighed 8 times this amount. how much
1. 1 answer
2. 535 views
Carina has twice as many quarters as dimes. If she has $3.60,how many quarters does she have?
1. 2 answers
2. 457 views
Ron has $1.35 in dimes and quarters in his pocket. If there are twice how many quarters does he have?
1. 2 answers
2. 773 views
Ron has $1.35 in dimes and quarters in his pocket. If there are twiceas many dimes in his pocket as quarters, how many quarters
1. 1 answer
2. 544 views
A study of 60 bolts of carpet showed that their average length was 180 yards. The standard deviation of the population is 6
1. 1 answer
2. 553 views
10 name of acid and alkaliesand there uses
1. 1 answer
2. 346 views
in the diagram of collinear points, GK = 24, HJ = 10, and GH=HI=IJ. Find each length.
1. 3 answers
2. 1,958 views
A length of wire carrying a current i and bent into a circular coil of one turn.The same length of wire has been out to give a
1. 1 answer
2. 2,127 views
a fly moves from one corner of the floor of a room and you are standing opposite corner into the room .Describe the displacement
1. 1 answer
2. 611 views
a fly moves from one corner of the floor of a room and you are standing opposite corner into the room .Describe the displacement
1. 1 answer
2. 480 views
wha interesting object are found from moen jo daro?
1. 1 answer
2. 493 views
what is thesystematic widespread effort to manipulate people`s ideas
1. 1 answer
2. 438 views
systematic widespread effort to manipulate people`s ideas
1. 4 answers
2. 392 views
modern world peacekeeping organization
1. 3 answers
2. 442 views
use a grapher to fine the length numerically (x)=2sin (y) ,pi/3 < y< 2pi/3
1. 1 answer
2. 346 views

Answers (7)

ggg dnd
y did we multiply it by ten
2 4 6 8 10 12
People who receive apologies are less forgiving.
Consider a binomial random variable X with parameters n = 100 and p = 0.1, and let Y be a Poisson random variable with E(Y ) = 2. Suppose that V ar(X+3Y ) = 21. 1. Find E(X), V (X) and V (Y ). 2. Determine E(X + 3Y ) and deduce E[(X + 3Y ) 2 ]. 3. Find
talk about the ethanol dissolving the phospholipid bi layer of the membrane, and the protein as the tertiary structure is ruptured. Also reliability- didn't do any repeats etc, you can use repeats to make an average so it is more accurate. do your results
what's suggest an application for acid/base titration

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