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Alex
Questions and answers by visitors named
Alex
Questions (2,580)
How many real number solutions does the equation have
y=3x^2+18x+27 none one two infinite
8 answers
asked by
Alex
3,740 views
ABCDEF is a regular hexagon with sides of unit length. Find the magnitude and the direction of AB+AC+AD+AE+AF.
The textbook
5 answers
2,716 views
A steel wire 40 m long is suspended between two fixed points 20 m apart.
A force of 375 N pulls the wire down at a point 15 m
4 answers
2,667 views
Determine the solubility of a sodium sulfate, Na2SO4, in grams per 100g of water, if 0.94 g of Na2SO4 is dissolved in 20 g of
5 answers
5,013 views
Approximately which percentage of the universe do galaxies occupy?(1 point)
10% 20% 5% 2%
19 answers
4,990 views
Why is it harder to breathe when climbing up a high mountain?
A. The air compresses the lungs. B. The air pressure increases. C.
35 answers
asked by
Alex
12,375 views
This diagram shows a solid metal cylinder.
The cylinder hasbase radius 2x and height 9x. The cylinder is melted down and made
4 answers
3,810 views
A dolphin jumping out of the water follows a path described by
h = − (x2 − 10x + 16), where h is the vertical height, in
4 answers
1,587 views
Are the triangles similar? If yes, write a similarity statement and the theorem or postulate used.
Triangle UGA and FEB. UG = 16.
1 answer
42 views
CH3OH + MnO4- ----> Mn2+ + CH2O
Earlier I posted this question and then realized that CH3OH didn't have a charge. It changed my
4 answers
2,845 views
1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell.
a) What would be the reduction
4 answers
2,235 views
State the coordinates of two points on the following line
x=3-8t y=4t For one point I got (3,0). In the back of the book it says
3 answers
624 views
Calculate enthalpy change of reaction for the combustion of gaseous ethanol.
C2H5OH + 3O2 >> CO2 + 3H2O. Using standard molar
4 answers
5,270 views
Fluid is flowing in a tube that has a radius of 3 centimeters. Water is flowing through a circular cross section at a rate of
5 answers
asked by
Alex
2,121 views
A quantity of monatomic ideal gas expands adiabatically from a volume of 2.0 liters to 6.0 liters. If the initial pressure is
4 answers
3,348 views
How many real number solutions does the equation have
y=-4x^2+7x-8 none one two infinite How many real number solutions does the
6 answers
6,645 views
A Registered Education Savings Plan (RESP) earns interest at a rate of 5% per year, compounded annually. Jasmine’s parents
2 answers
1,122 views
A standard deck of cards contains 52 cards. Of these cards there are 13 of each type of suit (hearts, spades, clubs, diamonds)
4 answers
1,528 views
1. Which sentence contains an opinion? (1 point)
Thomas Jefferson supported American independence from Great Britain. He was a
169 answers
13,156 views
Let A = {x ∈ R| cos x ∈ Z}, B = {x ∈ R| sin x ∈ Z}. Is A ⊆ B? Is B ⊆ A? Is either A or B a proper subset of the
4 answers
951 views
An iceberg has specific weight of 9000 N/m^3 in n ocean, which has a specific weight of 1000 N/m^3. Above the water surface, it
5 answers
asked by
Alex
3,154 views
Sulfuric acid is diluted in water to make new mixtures. In one container, 72 ml of a 14% acid solution and, in another
4 answers
846 views
For C2H5NH3+, write an equation that shows how the cation acts as an acid.
Why is my answer wrong? CH2H5NH3^+(aq) + H2O(l) --->
6 answers
6,221 views
two boxes have the same volume. One box has a base that is 2 inches by 2 inces. The other box has a base that is 4 inches by 4
6 answers
4,036 views
A garden is 33.75 feet long and 21.6 feet wide. Draw a diagram of the garden with the lengths written on al for sides. What is
3 answers
882 views
Question 9
Examine the graph of f(x) f ( x ) and the table that contains values of g(x). g ( x ) . Curve f of x approaches Y
5 answers
2,474 views
For a given machine the load moves 2 m when the effort moves 8m,if an effort of 20 N is used to raise a load of 60N, what is the
4 answers
1,066 views
What phrase describes a clause
A group of words that does not express a complete thought A group of edgy kids set off from the
4 answers
1,749 views
Why does the caste system in India continue to impact society?
Question 11 options: Government laws strictly enforce movement
1 answer
35 views
A quantity of 12.75 mL of a KOH solution is needed to neutralize 0.5109 g of KHP. What is the concentration (in molarity) of the
2 answers
511 views
Determine the final velocity of a proton that has an initial velocity of 2.35 X 105 m/s, and then is accelerated uniformly in an
1 answer
454 views
how to flowchart and backtrack 10 = 0.25x - 0.25
1 answer
871 views
The buyer of women's gloves currently has an average inventory of $20500, with an annual turnover rate of 4.0. Because this rate
1 answer
846 views
How do I make a calendar for the month of November?
if you want to use a computer, use m. excel!that is if you know how to use
1 answer
857 views
Simplify:
4^(-1/2) 4<sup>-1/2</sup> = 1/4<sup>1/2</sup> = 1/2. check my work. On exponents, negative means reciprocal.
1 answer
438 views
Statements Reasons
1. 3x - 7 = -4 1. 2. 3x - 7 + 7 = -4 + 7 2. 3. 3x + 0 = -4 + 7 3. 4. 3x + 0 = 3 4. 5. 3x = 3 5. 6. (1/3) 3x =
1 answer
403 views
*I KNow only #6 which is relfexive,I think...You have to find the reasons for this...*
1. 3x - 7 = -4 2. 3x - 7 + 7 = -4 + 7 3.
1 answer
986 views
The research department for a hardware chain has determined that at one store the marginal price of x boxes per week of a
2 answers
772 views
I need help identifying 2-3 symbols in Hamlet's final soliloquy, and what they could represent.
"How all occasions do inform
1 answer
341 views
Of the four general types of solids [molecular, ionic, network covalent, metallic], which one[s] are generally soluble in
1 answer
507 views
Larry, Moe, and Jo run the only saloon in town. Larry wants to sell as many drinks as possible without losing money. Jo wants
4 answers
5,845 views
What kinds of things were put in place to prevent another Stock Market Crash similar to the one of 1929?
This site should give
1 answer
432 views
how do you say "henry said drive the car" using the to iteimas ending?
Thank you for using the Jiskha Homework Help Forum again.
1 answer
430 views
How do you say "I think that looks fun" using the to omoimas ending?
Thank you for using the Jiskha Homework Help Forum.
1 answer
352 views
Solve these indefinite and definite integrals.
[integration sign] 4j-5j^3 dj I got 2j^2 - 5/4j^4... is this my final answer? If j
1 answer
711 views
in_________speech Booker T. Washington said african Ameriacans should focus on eductional and ecnomic gains rather than fighting
1 answer
627 views
i don't get it
in the 1880's Laws in the 1800's restricted___________immagritio to the U.S. I think you mean IMMIGRATION In the
1 answer
asked by
Alex
661 views
social studies
In his ________ speech Booker T. Washingto said Afican Ameriacns should focus on eductional and economic gain
1 answer
546 views
what does I.C.U. mean.
In the hospital it means "intensive care unit". I'm sure it can have other meanings.
1 answer
417 views
Hello. I'm having problems with a couple of Calculus questions that involve maximums of geometric shapes.
The first one is: 1.
1 answer
528 views
Why does an iron ion attract a sulfide ion but not a zinc ion?
The iron ion and the zinc ion are positive and don't attract each
3 answers
1,083 views
With a tuning fork of 384 hz, resonance tube lengths are acheived at 0.647m and 1.09 m. What is the speed of sound?
frequency*wav
1 answer
635 views
A violin string vibrates at 196 hz. what frequency will if vibrate with if it is fingered at 1/4 of its length?
Four times as
2 answers
949 views
please please help my other questions
!!!:(
1 answer
244 views
hi. - I am not sure how to do this.-
You have to factor completley. 5y^8-125
1 answer
315 views
1.3x^2+17x+10
2.5y^8-125 3.a^2-2ab-15b^2 *Please help me.You have to factor by completing. Let's look at #1: 3x^2 + 17x + 10 We
1 answer
711 views
Algebra!
How is the distance formula and the pythagorean theroem similar? The distance formula follows from the pythagorean
1 answer
891 views
I have to translate a sentence to sentence that contains the words "a ticket to Barcelona." Would this be "un pasaje a
1 answer
434 views
4c=16
c=___ i know the answer but i have to show the work. It is complicated. pleeese help! 4c=16 4 4 c=4
1 answer
321 views
Glenda bought z containers of laundry detergent at $9 each.
She gave the cashier $50. a. Find the change Glenda received in terms
6 answers
1,382 views
Mylanta is composed of aluminum hydroxide and calcium carbonate. assuming that a mylanta tablet contains 175 mg of aluminum
6 answers
573 views
If in Line AB you have points K and L,no distances are given- Which statement is true? AK<KB, AL<LB, AL>BK,KL<LB, or AL=BK>AB.
1 answer
393 views
If x/4 = y/5, then x+4/4 = ?/5
1 answer
284 views
A liquid is usually _____ a gas.
A denser than B less dense than C the same density as D lighter than
3 answers
520 views
What property is changed when in skim milk is made?
1 answer
313 views
What sea is between New Zealand and Australia?
Thanks
1 answer
453 views
How are atoms held together?
1 answer
343 views
Je d'accord parce que quelques gens préfèrent dormir jusqu' à l'après-midi. Quelques gens sont des couche-tard.
Je ne pas
3 answers
424 views
What is the location and function:
- the speech area of the brain - the comprehension area of the brain
1 answer
516 views
A plane leaves Toronto and flies with an airspeed of 2.20 x 10^2 km/h always pointing due east. A wind is blowing from the north
4 answers
1,054 views
A box accidentally falls from the back of a truck and hits the ground with a speed of 15m/s. It slides along the ground for a
5 answers
1,854 views
A car is traveling at 20m/s when it pulls out to pass a truck that is traveling at only 18m/s. The car accelerates at 2.0m/s^2
3 answers
1,893 views
Can someone please help me out on this...
An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12 V
2 answers
1,361 views
Compare and contrast sedimentary rocks that have a granular texture with sedimentary rocks that have a nongranular texture.
I
2 answers
588 views
A house has two rooms of equal area. One room is a rectangle 4ft narrower and 5ft longer then the square one. Find the area of
2 answers
986 views
During aerobic respiration, glucose is broken down to form several end products. Which end products contain the carbon atoms
3 answers
710 views
I'm doing an AP Lab on Cellular Respiration that is Ward's AP Biology Lab 5 with the germinating and non-germinating peas.
One
10 answers
2,435 views
I'm stuck on this thing in science. It's a lab report so its kinda hard to explain. We did a topographic map experiment. We had
6 answers
593 views
Please check my French work:
Les parents nous ont nourris à travers nos vies. Pendant que nous grandissons en haut du, les
3 answers
629 views
A 5.0-kg box at the top of a 400cm ramp slides down 200 cm. How much gravitational potential energy was lost as the box slides
7 answers
1,524 views
a survey of 651 farmers determined that 93 had been injured on the job in a given year.
What is the probability that a particular
5 answers
409 views
What are the double angle formulas for csc and sec?
3 answers
564 views
Express as a single sine or cosine function (note: this is using double angle formulas)
g) 8sin^2x-4 I just don't get this one. I
4 answers
945 views
Can anyone give me a list of contra accounts and the accounts that they are contra counts too
1 answer
340 views
Simplify
18. -(-4)+3= Solve equations of the form x+a=b solve 26. 6.3=t+2.9 30. -8=14+(d+-6) 32. 312.9+163.4+b 34. - 11/5+w=-4/5
3 answers
439 views
Can anyone start me off on these questions? Thanks!
When ax^3 - x^2 + 2x + b is divided by x-1 the remainder is 10. When it is
5 answers
1,731 views
I'm not sure if these are correct. Can anyone correct these for me?
- Calculate the frequency and period of a bee that beats its
2 answers
483 views
in the steps of the legislative process, the event that would happen first is what
2 answers
946 views
This is for my science fair project.
I was wondering, how do I "MEASURE A STAIN"? Since my project consists of staining some
6 answers
591 views
Let f = {(1,2), (2,3), (3,5), (4,7)} and g = {(1,4), (2,3), (3,1)}
Express each composite as a set of ordered pairs. a) f of g
1 answer
249 views
Let f = {(1,2), (2,3), (3,5), (4,7)} and g = {(1,4), (2,3), (3,1)}
Express each composite as a set of ordered pairs. a) f of g
1 answer
262 views
Why does the sunset appear to move?
4 answers
433 views
What are characteristics like strength, longevity and vitality called?
1 answer
327 views
Can anyone explain why natural selection works on phenotypes? And how that affects genotypes?
5 answers
413 views
How do I make a 6M NaOH solution? (25mL)
and is there a certain way to make NaCl saturated? or is it already saturated?
3 answers
1,719 views
How do I make a 6M NaOH solution? (25mL)
2 answers
1,195 views
1)Determine the equation of the polynomial function of degree 3, with zeros -2, -1, and 4. The graph of this function passes
2 answers
602 views
Can someone explain allopatric speciation and sympatric speciation. I know that allopatric speciation is because of geographic
1 answer
459 views
If the hypotenuse of a chord on a circle is 8 and it is an isosceles triangle with a 90 degree angle, what is the arc subtended
2 answers
793 views
Can someone please explain when to use depuis, ca fait, and il y a? I know they're time expressions but I'm so confused about
3 answers
550 views
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