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sami

Questions (401)

what part of the sperm can penetrate an egg
1. 1 answer
2. 64 views
among sperm cells released into an egg for fertilization how many sperms penetrate one egg
1. 1 answer
2. 84 views
what is the layers of mammalian eggs
1. 1 answer
2. 66 views
what is zona pellucida
1. 1 answer
2. 66 views
what are layers of eggs
1. 1 answer
2. 61 views
in steps of fertilization which one is comes first sperm penetration or fusion of gametes
1. 1 answer
2. 73 views
is prolactin inhibits the release of milk from breast but stimulate milk production
1. 1 answer
2. 85 views
types fragmentation
1. 1 answer
2. 200 views
what is fragmentation
1. 1 answer
2. 100 views
what the largest cell in human body?
1. 2 answers
2. 74 views
which of the following is not chemical changeA.souring of milk B.decaying of food C.rusting of iron D.tearing of paper
1. 3 answers
2. 147 views
የ ሰዉኛ ዘይቤ ምሳሌዎች
1. 1 answer
2. 118 views
describe database
1. 1 answer
2. 192 views
describe data objects
1. 1 answer
2. 124 views
write the some examples of creating publisher
1. 1 answer
2. 111 views
write the use of desktop publisher
1. 1 answer
2. 169 views
what is scroll bar on ms-excel
1. 1 answer
2. 143 views
what is active cell on ms-excel
1. 1 answer
2. 122 views
what is sheet tab on ms-excel
1. 1 answer
2. 121 views
what is ruler on ms-excel
1. 1 answer
2. 94 views
what is title bar on ms-excel
1. 1 answer
2. 179 views
what is quick bar on ms-excel
1. 1 answer
2. 121 views
how many the screen elements on ms-excel
1. 1 answer
2. 100 views
write the screen elements of ms-excel with usuage
1. 1 answer
2. 108 views
what is the use of spreadsheet
1. 1 answer
2. 195 views
define ms-power point
1. 1 answer
2. 100 views
define presentation software
1. 1 answer
2. 124 views
define create,edit,format and save document
1. 1 answer
2. 134 views
what is word processing
1. 1 answer
2. 123 views
what is presentation software
1. 1 answer
2. 121 views
who is the father of modern atomic theory
1. 1 answer
2. 113 views
what is the difference between philosopher and scientist
1. 1 answer
2. 140 views
what is the vector product AxB of two vectors? A=7i+4j-8k and B=3i-2j+5k?A.36i+11j-2k B.4i-59j-26k C.-4i+59j+26k D.-36i-11j+2k
1. 2 answers
2. 104 views
a vector of magnitude 20 is added to a vector of magnitude 25. the magnitude of their sum can beA.12 B.3 C.2 D.47
1. 2 answers
2. 88 views
which pair of forces cannot give a resultant of 5N?A.1N and 4N B.1N and 6N C.3N and 4N D.1N and 7N
1. 2 answers
2. 143 views
which pair of forces cannot give a resultant of 5N?
1. 2 answers
2. 119 views
which of the following is a vector quantity?A.power B.temperature C.momentum D.eletric current
1. 1 answer
2. 97 views
a scientific method is
1. 1 answer
2. 76 views
if A=-2i+4j-k, B=-i-4j+3k and C is a value of AxB?A.4i+2j-4k B.-4i-5j+k C.7i+j-10k D.-7i-4j+k
1. 1 answer
2. 80 views
suppose A=4i+2j-k, B=i-2j+3k and C is a vector lying along x-axis with the property that A[B+C]=0. then vector C is given by:A.3
1. 1 answer
2. 127 views
four vectors are listed below. A=4i+10j, B=2i-5j, C=-6i+15j, D=15i-6j. which pair of the vectors is orthogonal?A.A and B B.B and
1. 1 answer
2. 178 views
which of the following statement is correct about errors in measurement?A.experimental error is the same as mistake. B.errors
1. 1 answer
2. 184 views
which of the following statement is correct about errors in measurement?
1. 1 answer
2. 103 views
what is the vector product AxB of two vectors. A=7i+4j-8k and B=3i-2j+5k?
1. 1 answer
2. 130 views
what is the vector product AxB of two vectors?
1. 1 answer
2. 133 views
what displacement must be added to the displacement 25i-6jm to give a displacement of 7.0 pointing in the x-direction
1. 1 answer
2. 149 views
if A=-2i+4j-k, B=3i-j+2k, then what is the value of AxB?
1. 1 answer
2. 80 views
suppose A=4i+2j-k, B=i-2j+3k and C is a vector lying along x-axis wiht the property that A[B+C]=0. then vector C is given by:
1. 2 answers
2. 118 views
two non-zero vectors A and B are related by A=CB, where c is a scalar. if the two vectors have opposite directions, then one of
1. 1 answer
2. 194 views
Use geometry to evaluate the integral from negative 4 to 4 of the square root of the quantity 16 minus x squared, dx.pi divided
1. 1 answer
2. 1,873 views
given f(x)=tan x and g(x) = 1/x^2, provide a characteristic that the two functions have in common and a characteristic that
1. 1 answer
2. 533 views
given the graph of y=cos θ + pi/2 from 0≤ θ ≤ 2pi,a) for what values of θ does the instantaneous rate of change appear to
1. 3 answers
2. 504 views
The height of the pedals of a bicycle change with respect to time. The minimum height recorded for the pedals was 21 cm above
1. 2 answers
2. 462 views
Solve 6 sin^(2)x - 5 cos x - 2 = 0 in the interval 0 ≤ x ≤ 2pi
1. 1 answer
2. 763 views
What are the possible solutions of 2 logbase2 a= 10 - 2 logbase2 b, where a and b are integers
1. 1 answer
2. 332 views
describe all transformations occurring on the following function. Stat each parameter clearly then explain ity=- 4 log (3x + 6)
1. 1 answer
2. 369 views
Provide 3 characteristics of the function y=log x that remain unchanged under the following transformations:- vertical stretch
1. 1 answer
2. 415 views
Consider the function f(x)=x[(2x+1)^2](x-4), without graphing determine if f(x) has line symmetry about the y axis, point
1. 1 answer
2. 792 views
How do I convert 35.2 ft^2 to cm^2 using dimensional analysis? ie, what are the steps when you have units squared?
1. 1 answer
2. 1,243 views
List the steps required to be able to view each font to the selected type?I cant find the answers for that.
1. 1 answer
2. 369 views
A pilot of an aeroplane flying at 300km\hr wishes to release a package of mail at the right position so that it hits the spot.
1. 1 answer
2. 517 views
A firm's total cost is Tc=40+100Q-420Q^2+30Q^3. Find the unit of production at which average variable cost at minimum.
1. 1 answer
2. 471 views
A 9.35 gram of ring with it's volume of 0.654 cm3 is an alloy of gold and with density of gold and silver respectively 19.3
1. 1 answer
2. 648 views
In a cross between a white-eyed female fruit fly and red-eyed male, what percent of the female offspring will have white eyes?
1. 2 answers
2. 2,474 views
Could a man with type B blood and a woman with type AB blood produce a child with type O blood? Explain
1. 1 answer
2. 1,007 views
Albinism (lack of pigment) is caused by a recessive allele in humans. If normal parents have an albino child, what is the
1. 1 answer
2. 764 views
change the underlined nouns to pronouns. We well give it to our childern.
1. 1 answer
2. 512 views
an inclined plane, which slopes at 37degree is used to raise a 10 kg object to a heghit of 4m if the efficency is 80% determine
1. 1 answer
2. 475 views
An electric field of magnitude 3640 N/C isapplied along the x axis. Calculate the electric flux through a rectangular plane
1. 1 answer
2. 737 views
A positive charge of 0.0001258 C experiencesa force of 0.3 N when located at a certain point. What is the electric field
1. 1 answer
2. 1,027 views
Three point charges, two positive and onenegative, each having a magnitude of 30 µC are placed at the vertices of an
1. 1 answer
2. 969 views
Find the distance between the two electrons.The value of the Coulomb constant is 8.98755 × 109 N · m2 /C 2 and the
1. 1 answer
2. 602 views
How much positive charge is in 0.8 kg of neon?The atomic weight (20.1797 g) of neon contains Avogadro’s number of atoms, with
1. 1 answer
2. 1,368 views
A gas has a mass compostion of 20.8% nitrogen, 25.8% oxygen, 28.4% carbon dioxide and 25 % hydrogen. Determine its average
1. 1 answer
2. 530 views
How would your calculated %P2O5 value be affected if you had not used this blank solution
1. 1 answer
2. 905 views
ZnSO4.xH2O(s) ---> ZnSO4(s)+xH2O(g)
1. 2 answers
2. 412 views
ZnSO4.xH2O(s) ---> ZnSO4(s)+xH2O(g)
1. 1 answer
2. 413 views
a 2.00g sample of zinc metal is added to a calorimeter containing 150g of nitric acid solution initially at 20.0 degrees celsius
1. 1 answer
2. 597 views
samantha has 28 and she gets 28 more how many would she have in all.
1. 1 answer
2. 864 views
A patient is admitted to the hospital for chest pains due to tachycardia. While in the hospital, the patient was also treated
1. 1 answer
2. 677 views
A staging that weighsW staging supports a painter weighing 770 N. The reading on the left scale is 660 N and the reading on the
1. 0 answers
2. 488 views
how many feet in a dozen
1. 1 answer
2. 364 views
find equivalent fractions with a common denominator and order from least to greatest 3/7 ,1/9 ,2/3
1. 4 answers
2. 1,075 views
how can projectile motion be applied in porkour?
1. 0 answers
2. 403 views
is -5 a real #?rational #? irrational #? whole #? integer? counting (natural) #?
1. 1 answer
2. 365 views
What is the total value of a 400 certificate of deposit after 36 month if the simple annual interest rate is 3 percent?
1. 1 answer
2. 431 views
what is the first person narattor
1. 3 answers
2. 357 views
Four race car drivers participate in a race on a loop track. All four are going at aconstant speed. Assume that they did a ying
1. 0 answers
2. 606 views
find the x and y intercepts:3x - 2y = -12 i know for the x intercept, put y=0 in the equation,s olve for x. For the y intercept,
1. 1 answer
2. 805 views
Find the x and y intercepts:3x - 2y = -12 i know the anwser is (2 , -3) but how do i show the work that i found that anwser?
1. 2 answers
2. 751 views
save a 100 a month for 30 yrs at 3% interest compounded monthly how much do you have at the end of 30 years what are the steps
1. 1 answer
2. 367 views
help I don't understand the recursive formula
1. 2 answers
2. 494 views
Write a complete C program that asks the user to enter continuously a series of words and theword “end” to stop. For each
1. 1 answer
2. 541 views
A positive point charge = 2.1×10−5 is fixed at the origin of coordinates, and a negative point charge = −5.4×10−6 is
1. 2 answers
2. 1,080 views
Find the HCF of f(x) = 6x^3 + 24x^2 + 18x, g(x) = 4x^4 + 4x^3 - 24x^2
1. 1 answer
2. 506 views
One more:The LCM of f(x) = 4(x - 1)^2 (x^2 + 6x + 5) and g(x) = 10(x - 1) (x + 2) * (x^2 + 7x + 10) is ...
1. 0 answers
2. 388 views
The LCM of f(x) = 20(x - 1)^3 (x + 2)^2, g(x) = 250(x - 1)^2 (x + 2) is _______... i'm not sure how to do this at all...
1. 1 answer
2. 428 views
why do biologists use a classification system to study the diversity of life
1. 2 answers
2. 762 views
what is the word for the definition stress that puches a mass of rock in two opposite directions??please help!
1. 1 answer
2. 460 views
Which family/group does the element neon belong to.
1. 3 answers
2. 2,010 views

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