luis

This page lists questions and answers that were posted by visitors named luis.

Questions

The following questions were asked by visitors named luis.

what is the strongest acid here? H2SO3 H2SO4 H2SeO3 H2SeO4 For oxyacids, the acidity increases with increasing number of oxygen atoms; therefore, H2SO3 and H2SeO3 will be weaker than either H2SO4 or H2SeO4. We have a problem determining which is the stron...
18 years ago
the rate of a nuclear reaction can be changed by?? i know adding a catalyst to a normal reaction can but to a nuclear im not sure. increasing temp decreasing pressure adding a catalyst none I suppose it all depends upon how you define a catalyst. Perhaps...
18 years ago
what is the decimal place value for 7.81 with 8 being underlined
16 years ago
nine million, one hundre thousand, four convert to roman numeral
16 years ago
how can i write a unit rate
15 years ago
The boat would sink a little bit in the water and move in the direction that the melon was thrown to you.
15 years ago
a metal cylinder is heated and then cools. if the radius always equals the height, find the expression for the instantaneous rate of change of volum V with respect to the radius r.
15 years ago
how do i ,prove: 1/(sec x-1) + 1/(sec x-1)= 2cotx cscx
15 years ago
find r from the formula a=pie rl when pie= 3.142, a= 96, and i=12
15 years ago
An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?
15 years ago
It hills bent .law within my reach How many fats this line contain 5, 4, 6, 7,
14 years ago
When a poet wishes to use figurative language he or she will use words that are a)Commotativo and denotativo b) Only denotativo c) Only commotativo d) Ambiguous
14 years ago
during the romantics period, poets places ar emphasis on a) order b) nature c) discipline d) hierurchi
14 years ago
its werid finiding 8x - 13 and 7x + 11 but idk if i should add and equl to 360 its paralleograms and finding x its a triangle please help
14 years ago
Why does the Average Physical Product curve slope downwards so soon?
14 years ago
find the sum and product of the roots of the equation 5x^2+11x-3=0 ?
14 years ago
What the solution of the equation: y^2-3y=9 ?
14 years ago
express(2/3x-1)^2 as a trinomial?
14 years ago
which of the following are used in a traditional mainframe computer environment
14 years ago
telephone company a charges its costumers a fixed fee of 2dollars per monh plua 10cents a minute
14 years ago
how have the right of african americans improved since recontruction?
14 years ago
what are specific examples of inequality seen in the film?
14 years ago
how have the rights of African americans improved since reconstrution?
14 years ago
A basket of neglible wieght hangs from a vertical spring scale of constant force 1500N/m. If you sundally put a 3.0 Kg adobe brick in the basket, find the maximum distance that the spring will stretch. If, instead, you released the brick from 1.0 m above...
14 years ago
How many molecules of water are present in 3.45 mL of water at 4°C?
14 years ago
If a person runs the 100m dash in 10.0s, calculate that speed in m/s and km/h.
14 years ago
(-6)4-(-2)^2
13 years ago
-5a +[2+(3a-7)]
13 years ago
x^2 + 9x + 20 over x^2 -25 divided by x +4 over x - 4 How to do this really confusing i need to simplify the rational expression
13 years ago
a 110 kg person dives off a cliff and hits the water at 17 m/s. how high is the cliff?
13 years ago
how i can see the exact solution of 6y-12y=12 and4x-12y=8
12 years ago
how do you know when you are growing
12 years ago
If a car travels at a constant velocity of 70 miles/hour and exerts a force of 3000 newtons, what is the power of the car engine?
12 years ago
what method i need to use in solving arithmetic and geometric sequences and series?
12 years ago
what formula use in solving or finding for the 9th term of a number in arithmetic series and sequences?
12 years ago
what formula i need to use in solving binomial theorem and what is the first step i need to do?
12 years ago
User: Ariana Bouillon In Course: M/J Mathematics 2 V9 ( 2820) Instructor: Mrs. Susan Lafferty 08.03 Experimental Probability Warning: There is a checkbox at the bottom of the exam form that you MUST check prior to submitting this exam. Failure to do so ma...
12 years ago
Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
12 years ago
A stone is dropped from a cliff 344 feet high. after how many seconds will it be 200 feet above the ground?
11 years ago
bystander at the Pegasus Parade, is lying on his back and observing a large balloon of a cartoon character, floating directly above Broadway Street. He is located 32 feet from a point on the street directly beneath the balloon. To see the top of the ballo...
11 years ago
To secure a 618 meter radio tower against high winds, guy wires are attached to a ring 10 meters from the top of the tower. Each wire is anchored 90 meters from the base of the tower. Find the measure of the angle the wire makes with the ground. Round you...
11 years ago
A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 16.200 ft. give the area A of the window in square feet when the width is 3.000 ft.
11 years ago
a bicycle with a diameter of 24 inches is pedaled at a speed of 70 rotations per minute. find the distance the bike will travel in 48 mins
10 years ago
Solve (-2+i) / (3-2i) and my answer is (-8-i) / 13. Correct?
10 years ago
onsider the following reaction between sulfur trioxide and water: SO3(g)+H2O(l)→H2SO4(aq) A chemist allows 61.5 g of SO3 and 11.2 g of H2O to react. When the reaction is finished, the chemist collects 59.3 g of H2SO4.
10 years ago
a car rental offers two plans-plan a $20per day and 12 cents per mile -plan b -$65 per day free unlimited mileage
9 years ago
Which is the correct expression for Keq when the chemical reaction is as follows: N2 + 3H2 2NH3.
9 years ago
Find the value of y foe the given value of x and z Y=z+x
9 years ago
A solution of acetic acid, 1.0 mol L–1 CH3COOH, contains sodium acetate, NaCH3COO. The percent ionization of the above solution is 0.25%. The Ka for acetic acid is 1.8 x 10–5. Which of the following is the concentration of NaCH3COO in acetic acid? So i us...
9 years ago
A wall in Marcus's bedroom is 8 1/3 feet high and 16 1/5 feet long. If he paints 1/3 of the wall blue, how many square feet will be blue?
8 years ago
show step solve the Sturm Liouville problem Y"+hY=0, NB: h means lambda y(0)+y'(0)=0 y(1)+3y'(1)=0 obleck plz explain better again or damon can you help
6 years ago
can someone please check my answers thank you. 1.)lenin founded the comintern as a way to a. spread the revolution b.take over the government c.suppress soviet dissidents d.improve soviet relations with other nations i chose a 2.)isolationists in the unit...
5 years ago
The duties of the legislative branch of the United States government most closely resemble those of A. the Roman senate. B. the Roman army. C. Roman consuls. D. Roman tribunes.
5 years ago
5. A lunch box is 30 centimeters long, 14 centimeters wide, and 12 centimeters high. The formula for the volume of a box is V  lwh. Find the volume of the lunch box, in cubic centimeters.
4 years ago
1. A skateboard ramp of 45° must be 4 ft. wide. The max height is 7 ft. How high should I build the ramp so that I can avoid fractions ?
4 years ago
1. The ______ refers to all water on Earth's surface. *
4 years ago
A model of a building has a scale factor of 1 cm equals 30 inches. If a room is 13 feet long, what size will it be in the model?
4 years ago
What is the probability of selecting a white marble and then picking a striped marble without replacement if there are 4 white 3 black and 3 striped
4 years ago
The model shown below is a composite of two rectangular prisms. What is the volume of the model in cubic units?
3 years ago
Which pair of expressions are equivalent? A. 2y – 4 and 2y – 4 + 9 B. 14x – 7 and 7x – 14 C. 9y + 3 + 2 and 3(y + 1) + 2 D. x + y and x – y + 2y E. x + 2y and x – y
3 years ago
Animation shows a complete revolution of the Earth around the sun. What happens during this time?
3 years ago
what property is 2(11)+2 (4)= 2(11 +4)
3 years ago
In an experiment, a shearwater (a seabird) was taken from its nest, flown a distance 5190 km away, and released. It found its way back to its nest 14.0 days after release. What was the bird's average velocity for the whole episode, from leaving the nest t...
3 years ago
In a recent year, the population of California was about 2.52 x 107 people. Its land area is about 4.05 x 105 km2. What was the average number of people per square kilometer?
3 years ago
Use the sentence to complete the activity. The competing teams shook hands after the game was over. Write 1–2 sentences identifying the participle in this sentence and its function. (2 points)
3 years ago
Back and Forth Play Recording Sheet
2 years ago
An example of Back and Forth Directions recording sheet • Each player starts at zero on an individual number line. • Players should take turns rolling a standard number cube, labeled 1‒6. • Each turn, the player must choose if the number rolled represents...
2 years ago
Look at the map of Africa's ecosystem. what two areas that made it possible for people in these ecosystems to use the trans-Saharan trade route? desert rain forest savanna Sahel
2 years ago
Africa Civilization Unit Test Place the following events in the correct chronological order.
2 years ago

Answers

The following answers were posted by visitors named luis.

What substances that are not reabsorbed by blood after it passed through the kidneys? ( can u please rite back to me with the correct answer)
17 years ago
820
17 years ago
what is electrical energy
15 years ago
yes it can
15 years ago
my question is about from Conlys poem
14 years ago
12/13
14 years ago
Express the fractions 1/2, 3/16, and 7/8 with an LCD. A. 8/16, 3/16, 14/16 B. 4/8, 6/8, 14/8 C. 1/32, 3/32, 7/32 D. 1/4, 3/4, 7/4
14 years ago
What the solution of the equation: y^2-3y=9 ?
14 years ago
suppose you a piece of an unknown substance. describe how you would determine wether or not the substance was metal
14 years ago
my mistake sorry
14 years ago
Health,exercise,eating habits,
14 years ago
use the digits 0,2,4,6,8 exactly once to form a 3-digit and 2-digit NEGATIVE intfer that will give you the LEAST possible sum when the two intergers are added together.
14 years ago
4 days
13 years ago
how many packages of ribbon will sarah buy?
13 years ago
Each day Gina stuck to her routine. She rose at six o'clock and sat at her desk writing until noon. At noon she had a light lunch of fruit and milk. After this sparse repast she headed into town to do her shopping. She shopped for groceries, stamps, and o...
13 years ago
Though he worked long hours, Uncle Drew had a purpose to his life. He was not just a furniture maker, but a creator of beautiful tables, chairs, and cabinets. It was his job to turn chunks of wood into fine and useful objects. He believed in his task as m...
13 years ago
5-17 years old
13 years ago
abcd is a rectangle . find the lenght of each diagonal . ac=2(x-3) bd= x+5
13 years ago
thanks a lot
12 years ago
we all thought the test was too easy, but we were terribly strong.
12 years ago
i'm pretty sure it's c.
12 years ago
A fish swims 12.0 m in 5.0 s. It swims the first 4.0 m in 2.0 s, the next 3.0 m in 1.2 s, and the last 5.0 m in 1.8 s. What is the average velocity of the fish during the time interval between 0.0 s and 3.2 s?
11 years ago
State a conclusion that seems reasonable. Donald is older than Jeanette; Donald is older than Ethel. Donald is older than Allen
11 years ago
The truck is 5m
10 years ago
640
9 years ago
22400pi
9 years ago
7.87
8 years ago
a fight between u.s. government and the american indians thad started the second seminole war
8 years ago
conduct
7 years ago
yes
7 years ago
10
7 years ago
500*c-250*c^2
6 years ago
i need help because on my pretest i have 14
6 years ago
questions
6 years ago
7 B Unit 8
6 years ago
its not cheating its helping
6 years ago
its right
6 years ago
10x - 15 - 6x = 9 4x = 24 4x/4 = 24/4 x= 6 am i correct?
6 years ago
Energy is harvested from glucose molecules in a series of steps using carbon compounds (food molecules) as an electron carrier.
6 years ago
b 30
5 years ago
400
5 years ago
thank you oobleck ! i appreciate it
4 years ago
THA^S %#%%#%#%#%#%3 ]
3 years ago
so whats the right 0ne
3 years ago
24 * 7 = ?
3 years ago
The NASA Star Finder charts are constructed based on the visible night sky at 34° N latitude, about as far north of the equator as Los Angeles, California. Will the constellations on the Star Finder chart shift in the sky if you observe the night sky from...
3 years ago
The NASA Star Finder charts are constructed based on the visible night sky at 34° N latitude, about as far north of the equator as Los Angeles, California. Will the constellations on the Star Finder chart shift in the sky if you observe the night sky from...
3 years ago
idk
3 years ago
During which weeks in the moon’s cycle does the moon appear to be getting smaller?
3 years ago