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hannah

Questions and answers by visitors named hannah

Questions (468)

The double displacement reaction of aluminum sulfate and calcium hydroxide.
1. 5 answers
2. 4,415 views
. There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it
1. 5 answers
2. 1,895 views
what is the name of the ion Ti2(CrO4)3
1. 4 answers
2. 944 views
Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride in grams required to
1. 7 answers
2. 6,703 views
Which of the following could be added to a solution of sodium acetate to produce a buffer? ?A) acetic acid only B) acetic acid
1. 3 answers
2. 3,741 views
. A tile setter is joining the angles of two tiles, A and B, to make a 90-degree angle. The degree measure of Angle A can be
1. 6 answers
2. 1,449 views
If the bike wheel is rolled along the ground 10 inches, through what angle does the wheel rotate?
1. 5 answers
2. 1,078 views
The length of AB¯ is 5 units.What is the length of the image of the line segment after a dilation with a scale factor of 5/2?
1. 2 answers
2. 706 views
please help me find the definition forunit rate. It depends upon what kind of unit. Go to www.google.com and type in unit rate.
1. 14 answers
2. 2,375 views
what is the connection between arabs and electricity?can not think of any relation but oil to generate energy.
1. 1 answer
2. 860 views
9+9=ww= 18...right? ............18......dumb...math 9+9=18, you dumbos.
1. 1 answer
2. 397 views
why does a computer need a floopy drive as well as a hard driveIt doesn't . None of my computers have floppy drives. Floppy
1. 1 answer
2. 976 views
what are 4 differences between ionic and covalent bonding? plz help thanks!!http://antoine.frostburg.edu/chem/senese/101/compoun
1. 1 answer
2. 868 views
It takes 5.28 J of work to stretch a Hookes Laq spring 9.82 cm from its unstressed length. How much extra work is required to
1. 1 answer
2. 574 views
what is an underwater plateau called?
1. 5 answers
2. 341 views
what is a control ,variable, independent variable, experimental variabale, dependent variable
1. 4 answers
2. 2,046 views
A 6 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 1 m/s2, find the force
1. 3 answers
2. 789 views
k-9(2+k)
1. 1 answer
2. 237 views
what art movement is william morris associated with
1. 2 answers
2. 839 views
Jenny's mom runs 3 miles 3 times a week . which number sentence can be used to find how many yards she will run in 1 day?A 3 x 3
1. 4 answers
2. 638 views
please could someone help me . i need to write a front page newspaper article about queen mary 1 i need to include pictures and
1. 1 answer
2. 463 views
evaluate f(3/4) if f(x)= [1-2x]and identify the range of y=(x)-4 is either {y y > -4 or all are real numbers
1. 1 answer
2. 378 views
find f(-1) if (x)= x2 - 6x/ x plus 2 the multiple choices are -5, -5/3, 7/3, 7 which one is it
1. 1 answer
2. 426 views
the first equation of the system is muti plied by 2. by what number would you mutiply the second equation to elimi nate the x
1. 2 answers
2. 711 views
Imagine that you have a 7.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene
1. 3 answers
2. 905 views
How wide is North America from coast to coast?
1. 1 answer
2. 416 views
how does a saturated lipid differ from a polyunsaturated one?Is a saturated covalently bonded to a protein molecule?
1. 1 answer
2. 390 views
Calculate the enthalpy of the reaction shown below using the following equations.H2(g) + F2(g) 2 HF(g) (a) ΔH° = BE(reactants)
1. 2 answers
2. 546 views
For the reaction shown below complete the following calculations.H2(g) + C2H4(g) --> C2H6(g) (a) Estimate the enthalpy of
1. 4 answers
2. 2,079 views
a lader is leaning against a jouse and is forming a 60 degree angle with the ground.if the top of the ladder is 24 feet off of
1. 2 answers
2. 513 views
In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB.
1. 2 answers
2. 614 views
The vertices of triangle ABC are A(2,2), B(3,-1) and C(0,1). Find the coordinates of the circumcenter. Answer
1. 1 answer
2. 540 views
what is a factor
1. 3 answers
2. 287 views
is a monomial an expresion that dose not use addition and subtraction
1. 2 answers
2. 468 views
what is a prime factoization
1. 1 answer
2. 330 views
the gcf of :40ccd,42c
1. 4 answers
2. 317 views
factor expresions:2+16y and 4-16m
1. 1 answer
2. 325 views
how do u factor an expresion
1. 1 answer
2. 458 views
Fill in the blanks with homonyms:Can you ___ a good authority to prove that the ____ of this ancient city was discovered by an
1. 3 answers
2. 472 views
The atmospheric pressure at the summit of Mt. McKinley is 554 mm Hg on a certain day. What is the pressure in atmospheres and in
1. 3 answers
2. 1,623 views
would the answer to this question be 0.004166667 meter per 1 minute?the helepolis could move at a speed of 0.00025 kilometers
1. 1 answer
2. 425 views
my four factors add up to 48. I am a number between30 and 40. What number am I?
1. 1 answer
2. 240 views
what is the study of substances containing carbon?
1. 1 answer
2. 462 views
what i sused to cover toe nails and nails in ancient egypt?????PLZ HELP!
1. 2 answers
2. 476 views
The diameter of a neutral neon atom is about 1.4 multiplied by 102 pm. Suppose that we could line up neon atoms side by side in
1. 2 answers
2. 567 views
how to set up or approach these1. Calculate the mass in grams of iodine (I2) that will react completely with 48.9 g of aluminum
1. 3 answers
2. 720 views
mary has a solution that is 60% alcohol and another that is 20% alcohol. how much of each should she use to make 100 milliliters
1. 3 answers
2. 1,297 views
what is the chemical formula forcadmium phosphate?
1. 4 answers
2. 781 views
whats the correct formula for1. rubidium selenide 2. potassium phosphate
1. 5 answers
2. 456 views
what does coast mean???
1. 4 answers
2. 339 views
is a pretzel topologically equivalent to a pencil, pipe,trophy or none of these?
1. 3 answers
2. 459 views
The inside lane in the track is 50m and the outside of the track is 100m4 lanes are added around the outside of the track shown
1. 4 answers
2. 513 views
The formula b=34a is used in New England to estimate the minimum furnace output, b, in BTUs, for a modern house with a square
1. 3 answers
2. 817 views
what are the namesofthe six resources?
1. 1 answer
2. 269 views
if one elastic band holds 1800g, how many elastic bands would you need to suspend a 80kg adult?
1. 3 answers
2. 869 views
The hour hand on a certain clock is 8.3 cm long.Find the tangential speed of the tip of this hand. v{t}= ???? {mm/s}
1. 4 answers
2. 1,335 views
which compounds below that have a vibration that is infrared inactive. and indicate the specfic vibration that is infrared
1. 1 answer
2. 354 views
how will you examine the relationship between acceleration and mass when you change the mass of an object while applying the
1. 4 answers
2. 814 views
what is the chemical formula for vanadium phosphate?
1. 3 answers
2. 835 views
A basketball player is trying to make a half-court jump shot and releases the ball at the height of the basket. Assuming that
1. 5 answers
2. 2,775 views
de quien es la casa mean?
1. 1 answer
2. 359 views
Grains of fine California beach sand are approximately spheres with an average radius of 50 and are made of silicon dioxide. A
1. 1 answer
2. 501 views
A room has dimensions 3.00 m (height) 3.70 m 4.30 m. A fly starting at one corner flies around, ending up at the diagonally
1. 4 answers
2. 2,952 views
spelling rule: for words ending in one vowel and one consonant, - - - - - - the final consonant before adding a,e,i,o,u, or y
1. 2 answers
2. 210 views
underline the base word for each word in the box. Then find and circle these base words in the puzzle. The answers will read
1. 4 answers
2. 1,079 views
In the product F = qB (vectors), take q = 2 (neglecting the units of charge, q) and v = 2.0 i + 4.0 j + 6.0 k and F = 4.0 i +
1. 3 answers
2. 1,285 views
A boat is traveling upstream in the positive direction of an x axis at 14 km/h with respect to the water of a river. The water
1. 4 answers
2. 1,377 views
How do the GCF, divisibility and LCM connect to fractions
1. 3 answers
2. 415 views
When dealing with GCF, LCM and divisiability do prime factorization help at all?
1. 3 answers
2. 407 views
Simplify| –5| – |–3 – 3|
1. 3 answers
2. 247 views
Rewrite the expression in the simplest form without parentheses:6(18 – y)
1. 6 answers
2. 622 views
Hello,Can someone help me with my math problem? Does |k – n| = |k| – |n| for all integers k and n? If so, give 3 examples.If
1. 1 answer
2. 355 views
Can someone help me with my math problem? Thank youWrite the integer represented by each of the following: a. A collection of 9
1. 1 answer
2. 418 views
what is the answer to this riddle.what should you say when u meet an angel
1. 5 answers
2. 812 views
How do people choose where to settle and live ?
1. 3 answers
2. 354 views
if the perimeter of a parallelogram is 132cm the longest possible length of a diagonal is less then ?
1. 2 answers
2. 611 views
True or false: If the human capital possessed by two workers is nearly the same, their wag rates will be nearly the same.
1. 1 answer
2. 312 views
what is the percent is 2/6
1. 1 answer
2. 247 views
how do you simplify 15/56?
1. 1 answer
2. 235 views
How do I do this 4x +3= 2x+11
1. 1 answer
2. 228 views
is the solution to 2x^2-4x+5...1(+/-)((sqrt6)/2)i ??
1. 1 answer
2. 293 views
how do u do 18t +12r over 3?
1. 1 answer
2. 347 views
when Flour, water, sugar and other ingredients are combined and baked into a cakeis that a chemical change?
1. 1 answer
2. 393 views
a)339 Cal to kilowatt-hours
1. 1 answer
2. 322 views
3. Define proactive & retroactive inhibition. Create a memory strategy to help you remember & discriminate between them. Explain
1. 2 answers
2. 514 views
A 43 kg sample of water absorbs 343 kJ of heat. If the water was initially at 22.1°C, what is its final temperature?I got 1.9
1. 6 answers
2. 1,436 views
ok so I did a radiation and distance lab: this is my results:Distance(cm) Counts(30 sec) 0 1729 1 634 2 391 3 239 4 150 5 124 6
1. 1 answer
2. 359 views
what is the equation for gamma decay?
1. 1 answer
2. 405 views
how can you use rounding to estimate 331+193
1. 3 answers
2. 635 views
Determine the mass(in grams) of each of the following compounds.a) 0.709 mol magnesium fluoride i got 30.7grams but it was
1. 6 answers
2. 399 views
How many moles of O are in 13.5 mol Fe(NO3)3?i got 7.32e25 but soon realized that is totally wrong.
1. 3 answers
2. 440 views
so i posted this question yesturday and got some help. which is the stuff below. can you look at the last thing i said which was
1. 7 answers
2. 941 views
A 4.91 g sample of aluminum completely reacts with oxygen to form 6.85 g of aluminum oxide. Use this data to calculate the mass
1. 3 answers
2. 609 views
suppose you had two samples of the same radioactive isotope. one sample had a mass of 25 grams. the other had a mass of 50
1. 4 answers
2. 1,931 views
A 2.241 g sample of nickel reacts with oxygen to form 2.852 g of the metal oxide. Calculate the empirical formula of the oxide.1
1. 3 answers
2. 3,913 views
Citric acid, the compound responsible for the sour taste of lemons, has the following elemental composition: C, 37.51%; H,
1. 4 answers
2. 2,534 views
you measure the period of a 2.0m pendulum and find it is 2.8s. what is the value of g at your location?
1. 4 answers
2. 497 views
What length pendulum will produce a period of 1.0s?
1. 2 answers
2. 635 views
For english i need to write a paper of the the slang words used during the civil war. I already have many examples but i cant
1. 3 answers
2. 725 views
i had posted this question about a week ago and had gotten help from bobpursley(thank you so much btw) but i was showed how to
1. 3 answers
2. 555 views

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