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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
3,715 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
2,641 views
Approximately which percentage of the universe do galaxies occupy?(1 point)
10% 20% 5% 2%
19 answers
4,962 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
12,359 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
2,705 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
3,142 views
A store sells clothes for men. It has 3 kinds of jackets, 7 kinds of shirts, and 5 kinds of pants. Find the number ofways a
4 answers
1,332 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
3,794 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
66 views
In a triathlon, a contestant swims 5 km, cycles 30 km, and then runs 20 km. In general, a contestant runs at an average speed of
3 answers
3,054 views
What is the maximum mass(g) of KCL that can be added to 1.00L of a 0.0100 M lead(ii) chloride solution without causing any
4 answers
2,501 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
837 views
kind of function best models the data on the table used to differences or ratios 0 0.6 1 4.2 2 29.4 3 205.8 4 1440.6
5 answers
5,283 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
2,837 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
2,230 views
in ancient Egypt, people could go to study reading and writing at the?
5 answers
asked by
Alex
1,516 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
2,106 views
6. When a mass is attached to a spring, the period of oscillation is approximately 2.0 seconds.
When the mass attached to the
4 answers
1,154 views
Carol drops a stone into a mineshaft 122.5m deep. Calculate the time from when she hears it hit the bottom of the shaft. Assume
4 answers
4,647 views
1. Which sentence contains an opinion? (1 point)
Thomas Jefferson supported American independence from Great Britain. He was a
169 answers
13,128 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
38 views
Is Glucose soluble in HCl, NaOH and NaHCO3 because it's soluble in water?
- I put soluble for all because it dissolves in water.
4 answers
6,286 views
what would happen if inertia was the only force being acting on the earth?
3 answers
979 views
A 200-Ù resistor, 40.0-mH inductor and a 2.00-ìF capacitor are connected in series with a 120-V rms source at 1000 Hz. What is
3 answers
1,401 views
A. general election
B. propaganda C. conventions D. open primary E. soundbite F. interest group G. trade union H. grassroots I.
10 answers
1,737 views
Calculate the pH and the pOH of an aqueous solution that is 0.025 M in HCl(aq) and 0.075 M in HBr(aq) at 25°C.
5 answers
7,283 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
3,337 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
6,632 views
A Registered Education Savings Plan (RESP) earns interest at a rate of 5% per year, compounded annually. Jasmine’s parents
2 answers
1,116 views
Which of the following triangles cannot be solved using the sine law?
a) angle a= 28 degrees, angle b= 75 degrees, side a= 24 cm
4 answers
1,761 views
A 120-ft long playground is just 15-in on the scale drawing.What is the scale on the scale drawing?
How would you solve this
4 answers
2,415 views
The UV index on a sunny day can be modeled by the function f(x)=-0.15(x-13)^2+7.6 where x represents the time of day on a 24-h
3 answers
2,627 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
1,523 views
The first term of an arithmetic sequence is 6, and the tenth term is 2.
(a) Find the common difference d. d = Find the 100th term
4 answers
2,000 views
A 50 Kg box rests on a horizontal surface. The coefficient of Static friction between the box and surface is 0.30. The coeffient
6 answers
12,088 views
Which of the following is an example of polyphonic music?
A. Gregorian chant B. plainchant C. monody D. fugue
7 answers
2,408 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
6,216 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
4,026 views
We are going to compute the cube root of 9 to 6 significant digits using Newton's method.
Choose a function of the form
5 answers
1,098 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
877 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
1,578 views
Here are the answers for The Water Cycle Quick Check. I can assure you that these answers are correct. Keep in mind that
23 answers
4,519 views
What method do engineers utilize to access rock formations from various angles instead of just in a straight line?
2 answers
8,095 views
How did the development of agriculture change the lives of early South American peoples?
A. More groups moved near the coasts. B.
7 answers
646 views
Matt measures the angle of elevation of the peak of a mountain as 35 degrees. Susie, who is 1200 feet closer on a straight level
3 answers
138 views
What is the solution to p + 4 = -9 + p?
Question 2 options: No solution 9 4 0
1 answer
15 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
509 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
448 views
how to flowchart and backtrack 10 = 0.25x - 0.25
1 answer
868 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
841 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
849 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
431 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
399 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
975 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
768 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
337 views
Of the four general types of solids [molecular, ionic, network covalent, metallic], which one[s] are generally soluble in
1 answer
497 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
5,835 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
423 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
425 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
346 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
705 views
in_________speech Booker T. Washington said african Ameriacans should focus on eductional and ecnomic gains rather than fighting
1 answer
622 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
651 views
social studies
In his ________ speech Booker T. Washingto said Afican Ameriacns should focus on eductional and economic gain
1 answer
536 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
412 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
522 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
1,079 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
628 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
943 views
please please help my other questions
!!!:(
1 answer
239 views
hi. - I am not sure how to do this.-
You have to factor completley. 5y^8-125
1 answer
310 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
707 views
Algebra!
How is the distance formula and the pythagorean theroem similar? The distance formula follows from the pythagorean
1 answer
884 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
428 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
316 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
1,378 views
Mylanta is composed of aluminum hydroxide and calcium carbonate. assuming that a mylanta tablet contains 175 mg of aluminum
6 answers
568 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
388 views
If x/4 = y/5, then x+4/4 = ?/5
1 answer
280 views
A liquid is usually _____ a gas.
A denser than B less dense than C the same density as D lighter than
3 answers
515 views
What property is changed when in skim milk is made?
1 answer
308 views
What sea is between New Zealand and Australia?
Thanks
1 answer
448 views
How are atoms held together?
1 answer
337 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
421 views
What is the location and function:
- the speech area of the brain - the comprehension area of the brain
1 answer
507 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
1,050 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
1,850 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
1,888 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
1,354 views
Compare and contrast sedimentary rocks that have a granular texture with sedimentary rocks that have a nongranular texture.
I
2 answers
585 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
981 views
During aerobic respiration, glucose is broken down to form several end products. Which end products contain the carbon atoms
3 answers
705 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
2,431 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
589 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
624 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
1,521 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
404 views
What are the double angle formulas for csc and sec?
3 answers
560 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
942 views
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