Ava

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

Questions

The following questions were asked by visitors named Ava.

A man stands on the roof of a 10.0 -tall building and throws a rock with a velocity of magnitude 24.0 at an angle of 42.0 above the horizontal. You can ignore air resistance. Calculate the magnitude of the velocity of the rock just before it strikes the g...
17 years ago
A man stands on the roof of a 10.0 -tall building and throws a rock with a velocity of magnitude 30.0 at an angle of 38.0 above the horizontal. You can ignore air resistance. Calculate the horizontal distance from the base of the building to the point whe...
17 years ago
The following table contains data for the equilibrium reaction CH3COOH(g)+ C2H5OH(g)↔ CH3COOC2H5(g)+ H2O(g) T = 100oC. Each row in the table represents a different experiment (diffferent intial concentrations). Initial concentration Equilibrium concentrat...
16 years ago
In the gas phase reaction CH4 + H2O → CO + 3 H2 At T = 1500 K , Kp = 11000 Calculate Kp, T = 1500 K , for the following reaction 3 CO + 9 H2 → 3 CH4 + 3 H2O .
16 years ago
. For the gas reaction at low pressure 2NOBr ↔ 2NO + Br2 ΔH = +61.1 kJ which of the following statements are true? a) Adding more Br2 shifts reaction to the right b) Removing some NOBr shifts reaction to the left c) Increasing temperature shifts reaction...
16 years ago
Locate the discontinuities of the function. y = ln(tan(x)2) a)(pi)n, where n is any integer b)(pi)/2 + ðn, where n is any integer c)0 d)n(pi)/2, where n is any integer
16 years ago
The curve below is called a witch of Maria Agnesi. Find an equation of the tangent line to this curve at the point (-2, 1/5). y=1/(1+x^2)
16 years ago
Use rational exponents to write 4suare root 5 * 2 sqaure root 8 Please help.. I can't find the square root button
15 years ago
I need to know if i answered this right. Use the laws of exponents to simplify. 3^3/4 * 3^1/8= 81/32
15 years ago
I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.
15 years ago
Can someone please help me with this problem? I can not figure it out. Thank you. solve 4x + x(x-1)=0, find the x-intercepts of f(x)=4x+x(x-1)
15 years ago
Can someone please help me? Use the rational exponents to simplify. 5 sqrt x^20 would the answer be 5?
15 years ago
In classifying living things, what is the smallest group that has only one type of organism?
15 years ago
Can someone explain to me the second and third stanzas? She rose to His Requirement By Emily Dickenson She rose to His Requirement, dropt The playthings of her life To take the honorable work Of woman, and of wife. If ought she missed in her new day Of am...
14 years ago
What is the median: 25, 23, 23, 22, 19, 18, 16, 16, 15, 10, 9?
14 years ago
A balloon of total mass 840 kg is rising vertically with constant speed. As a result of releasing some ballast, the balloon immediately accelerates at 0.5 m/s². Calculate the mass of the ballast released.
13 years ago
Analyzing Elements of a Scientific Method Read the following statements and then answer each question below. 1. You and your friend are walking along a beach in Maine on January 15, at 8:00 am. 2. You notice a thermometer on a nearby building that reads -...
13 years ago
Ms. Sue the answer to the previous question are # 5 problem #7 hypothesis # 8 experiment and #6 data
13 years ago
Ms. Sue this is Ava will you please check my science answers that i posted
13 years ago
. You and your friend are walking along a beach in Maine on January 15, at 8:00 am. 2. You notice a thermometer on a nearby building that reads -1 degrees C. 3. You also notice that there is snow on the roof of the building and icicles hanging from the ro...
13 years ago
Please check my answers? My textbook won't load, so i've had to use google and guess. 1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago **from a cloud of gas and dust less than a million years ago from a chunk of...
12 years ago
Whats the answer for 0.15 divided into 0.1845
12 years ago
25cm^3 of a solution of NaOH required 28cm^3 of 1.0 mol dm^-3 H2SO4 to neutralise it. a)Write an equation for the reaction. b)How many moles of H2SO4 were needed? c)How many moles of NaOH were thus neutralised? d)How many moles of NaOH are there in 25cm^3...
11 years ago
I completed this question like you told me to. Are the answers correct? Is my method for finding the molecular formula correct? 2.4g of a compound of carbon, hydrogen and oxygen gave on combustion, 3.52g of CO2 and 1.44g of H2O. The relative molecular mas...
11 years ago
Iron reacts with chlorine to form iron(iii)chloride. A)How many chlorines react with 1.86g of iron? B)What mass of iron(iii)chloride is produced?
11 years ago
1) 30cm3 of methane and ethane mixed with 100cm3 of O2 at RTP. Explosion occurs, on cooling 61.5cm3 remained. Find the percentage by volume of each gas in the mixture 2)32cm3 of a mix of CO2, CH4 and H2 mix with 50cm3 of O2 and exploded after cooling to R...
11 years ago
C6H14 + Cl2 in UV light Below are 5 products, say which one cannot be a product, prove this by showing how each of the other products were formed from the equation above. 1-chlorohexane 2-chlorohexane 2,2-dichlorohexane dodecane hex-1-ene
11 years ago
Julia and Kevin are playing games at the arcade. Julia started with $15, and the machine she is playing cost $.75 per game. Kevin started with $13, and his machine costs $.50 per game. After how many games will these two kids have the same amount of money...
11 years ago
A model plane flies 18 ft per 2 seconds. What is the planes speed in miles per hour? Round to the nearest tenth.
11 years ago
For f(x)=3x+2. Find f(4)
11 years ago
Write an equation in slope intercept form of the line that is perpendicular to the given line and that passes through the given point 3x-4y=8 ; (-6,5)
11 years ago
How many grams of sodium acetate, NaC2H3O2, would have to be added to 5.00 L of 0.65 M acetic acid (pKa 4.74) to make the solution a buffer for pH 4.00? I did this but it's not the right answer: 4 =4.74 + log(A/.65) 0.74=log(A/0.65) 10^-0.74= A/0.65 0.182...
11 years ago
Simplify M^3 n^6 / m^4 n^4 p^-2
11 years ago
How do you identify the vertex of y= xsquared + 16x+64
11 years ago
Mark uses 27 J of work to carry the laundry basket with a force of 17 N. What is the distance he carried the laundry basket?
10 years ago
A box is pulled along a level floor at a constant speed by a rope that makes a 45 degree angle with the floor. The box weighs 100N. The coefficient of sliding friction is 0.75. The normal force exerted on the box by the floor is?
10 years ago
A tennis ball (mass 57.0 g) moves toward the player's racquet at 46.4 m/s. It is in contact with the racquet for 3.60 ms, after which it moves in the opposite direction at 49.8 m/s. What is the average force on the ball due to the racquet? (Assume the bal...
10 years ago
Jack brought 2 quart of motor oil. His car took 1quart and another half quart. How many cups of oil does he have left?
10 years ago
What portion of the Congress or the states must support proposing an amendment to the Constitution for consideration? One-half Three-fifths One-fourth Two-thirds
10 years ago
How many moles are in 1.59 kg of sodium?
10 years ago
an automobile travels 3 miles due north then 5 miles north of east. what is your resultant displacement?
10 years ago
Which process of the carbon cycle is responsible for the release of carbon at the power plant, as shown by the arrow? A. combustion B. photosynthesis C. digestion D. decomposition @Ms.Sue can you check my answer I think the answer is A.
9 years ago
How can you describe the location of magnesium (Mg, atomic number 12) periodic table? A. nonmetal B. metalloid C. group2, period3 D. group3, period 2 @Ms.Sue My answer is C. Can you check my answer Thank you
9 years ago
Leave is to left as bring is to
9 years ago
The legs of a right triangle measure 24 feet and 45 feet. What is the length of the hypotenuse? A. 51 ft** B. 69 ft C. 38.07 ft D. 8.31 ft I think A
9 years ago
The length of a rectangle is equal to triple the width. Find the dimensions of the rectangle if the perimeter is 72 cm
9 years ago
I'm not sure how to do these...I keep getting the wrong answers... Please help someone... Mg(s) + 2 HCl(aq)= MgCl2 (aq) + H2(g) a. What volume of 15.7 M hydrochloric acid will react with 2.1 grams of Mg? b. What mass of magnesium will react with 8.5 liter...
9 years ago
The order of events and ages of rocks by examining positions is *relative dating*. Gaps in rock layers are called *unconformities*. What uses properties of atoms to find ages of rocks? *Absolute Dating*. A life form in Precambrian Time was *Cyanobacteria*...
9 years ago
A CaCl2 solution is given to increase blood levels of calcium. If a patient receives 5.0 mL of a 5.0 % (m/v) CaCl2 solution, how many grams of CaCl2 were given?
9 years ago
A solution of 0.211 M NaOH is used to titrate 24.0 mL of a H2SO4 solution. If 19.0 mL of the NaOH solution is required to reach the endpoint, what is the molarity of the H2SO4 solution? H2SO4(aq)+2NaOH(aq)→2H2O(l)+NaSO4(aq)
9 years ago
What is total area of land in square miles if field is 1.5 miles wide and 1 mile long?
9 years ago
I am doing 7th grade algebra, and my homework is due by 9:00 and I don't know how to solve this question: Find the measures of supplementary angles 1 and 2 if, A) m angle 1 is less than m angle 2 by 40 degrees B) m angle 1:m angle 2=5:4 Please help soon m...
9 years ago
I have another question that stumped me Line segment AB with length a is divided by points P and Q into three line segments: AP , PQ, and QB , such that AP = 2PQ=2QB. Find: A)the distance between point A and the midpoints of the segments the segment QB B)...
9 years ago
I randomly throw 2 darts at a board of 15 balloons. 4 are purple, 3 red, 4 blue, 2 yellow and 2 green. What is the probability of hitting two purple balloons?
9 years ago
A sum of money was shared amount Aaron, Ben, and Charles in the ratio 2:5:7 If Charles's share was $1,180 more that Aaron's share, what was the oringinal sum of money shared?
9 years ago
Alan and George receive some money in the ratio 2:5. The total received was £490, how much did George get?
9 years ago
1. Describe the structure of a neuron and explain the function of each of its major parts. I dont want anyone to answer FOR me, but I really need help on where to start. If you could help, I would greatly appreciate it.
8 years ago
Check my answers? 17. A _________ is the functional unit of the nervous system. (1 point) Neuron******* Dendrite Head Cell body 18. The Central Nervous System consists of the __________ and __________. (1 point) heart and blood vessels muscles and tendons...
8 years ago
A map uses a scale of 3/4 cm: 10 miles. If 2 cities are 4 cm apart, what is the actual distance?
8 years ago
To get a driver's license, an applicant must pass a written test and a driving test. Pasts records show that 80% of the applicants pass the written test and 60% of those who have passed the written test pass the driving test. Based on these figures, how m...
8 years ago
What is the product of the complex numbers (-3i+4) and (3i+4)? I've forgotten how to do this...
8 years ago
Travis bank charges two dollars or withdrawls at nonbank ATMs and a fee of $2.50 per month for a debit card.last month she paid $10.50 in ATM and debit card fees. How many nonbank withdrawls did she make
8 years ago
Identify all the sets to which 3.1214122144 … belongs
8 years ago
From the novel Dragonwings: Which of the following passages from the text best supports the story's theme of loyalty? a. "You only had to punch the biggest and toughest of the bunch and the others would accept you." b. "We see the same thing and yet find...
8 years ago
Olivia is growing roses and keeps track of how much fertilizer (in ounces) she adds to the soil and how many blooms each rose bush has. She finds a linear relationship that can be modeled by the equation y = 1.345x + 4. When will Olivia only have 4 blooms...
8 years ago
You wanna adopt a puppy from your local animal shelter. First, you plan to build an outdoor play pen along the side of your house, as shown below. If a dog grass cost $1.70 a square foot, how much will you spend A) $23.80 B) $30.60**** C) $35.70 D) $40.80
8 years ago
When you think of separation or isolation, what comes to mind?
7 years ago
How to work on the rhythm of a poem?
7 years ago
what line would rhyme with O why do you sit all alone the the dark?
7 years ago
what line would rhyme with, when you could take a walking in the park?
7 years ago
What is the puckered opening between the legs of a frog called?
7 years ago
What are the internal structures of a frog's stomach called?
7 years ago
If a real frog was being dissected and the stomach has food in it, would any of it be identified?
7 years ago
How are frogs able to alter the amount of cutaneous respiration that occurs?
7 years ago
What are the major physical differences between the respiratory system of a human and the respiratory system of a frog?
7 years ago
Does anyone know the poem "To a Fat Lady Seen from a Train" by Frances Cornford???? If you do how does repetition makes the poem more effective??
7 years ago
What secondary benefit does a frog gain from a three-chambered heart?
7 years ago
Kim poured a 24 ounce container of OJ into 5 cups and poured the same amount of OJ into each cup. Which rational number represents the amount of OJ in each cup? A.) 5/24, B.) 5 or C.) 24/5
7 years ago
Sue, Mike, Daniel, and Mauricio had a race. These are the times. Sue: 7.41 Mike: 7.38 Daniel: 7.43 Mauricio: 7.25. Who ran the fastest? I think it was Sue.
7 years ago
How does the Syria war compare to the war that started between the colonists and England?
6 years ago
Updated: At midnight the temperature was -8F. At noon the temperature was 23F. Which expression represents the increase in temperature? A) -8 - 23 B) {-8} - 23 C) -8 - {23} D) {-8 - 23}
6 years ago
The function rule is y=2x-1 if the input is 3 what is the output? Please Help
6 years ago
What is the appositive in the sentence? My best friend, Michelle, is very loyal and kind. A- my best friend B- friend C- Michelle D- loyal and kind
6 years ago
Solve by the substitution method. 2x + 4y = 8 -5x + y = 13 What is the solution of the ​system?
5 years ago
Solve by the substitution method. 7x + 2y = -19 -5x + y = 33 What is the solution of the ​system? ​(Type an ordered​ pair.)
5 years ago
The vertices of a triangle are P(–2, –4), Q(2, –5), and R(–1, –8). Name the vertices of mc005-1.jpg. Group of answer choices
5 years ago
Solve the equation or formula for the indicated variable. PLEASE HELP S = 6r3t for t
5 years ago
1) Which of the following best represents the two perspectives of imperialists and anti-imperialists? A. for foreign treaties vs. against foreign treaties B for annexing new territory vs. against annexing territory C. for building an elite upper class vs....
5 years ago
Brenda and Jessica are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. Brenda sold 2 rolls of plain wrapping paper and 1 roll of holiday wrapping paper for a total of $41...
5 years ago
How Do I solve this system of linear equalities word problem? "Sandy makes $2 profit on every cup of lemonade that she sells and $1 on every cupcake that she sells. Sandy wants to sell at least 5 cups of lemonade and at least 5 cupcakes per day. She wants...
5 years ago
Which of the following options have the same value as 70\%70%70, percent of 808080? Choose 3 answers: Choose 3 answers: (Choice A) A \dfrac{70}{100}\cdot 80 100 70 ​ ⋅80start fraction, 70, divided by, 100, end fraction, dot, 80 (Choice B) B 0.7\cdot 0.80....
5 years ago
In this environment, which trait is adaptive for the birds?
5 years ago
A car goes 400 miles on one tank of gas. Do you know how many miles it can go in 5 tanks of gas? From what I tried to do, was see what one tank of gas would go for (400 miles). So would I just multiply for 5 times?
5 years ago
Why is knowing the percent error is helpful?
5 years ago
Explain the importance of analyzing cause and affect relationships in informational text, as well as literature. Are there differences based on the type of text? How will this exercise help us in arriving at the right conclusions?
5 years ago
“The Astronomer’s Wife” uses two sets of character contrasts: Wife vs. husband Astronomer vs. plumber Explain how the characters are different (explain in terms of physical descriptions, actions, words, gestures etc.) Describe the wife’s relationship with...
5 years ago
During the Yalta Conference, what did President Roosevelt promise Premier Stalin in exchange for the Soviet Union joining the Pacific War against Japan? 1. The Soviet Union would gain a sphere of influence in Manchuria. 2. The Soviet Union would be grante...
5 years ago
What do DNA and RNA have in common? an appearance of two complementary strands joined together the bases adenine and guanine the bases cytosine and uracil a ribose sugar as part of their structure
5 years ago
If -1< x < 4 then a < 5x +6 <b
5 years ago
Is home a connotation or is it a neutral denotation
4 years ago

Answers

The following answers were posted by visitors named Ava.

I did it the way that you said: Vx=17.8 Vy=16.1^2 + 2(-9.8)(10m) Vy=63.21 Vf=316.84+3994.24=65.65 but i still got the answer wrong
17 years ago
thanks! yes it is I figured it out, it's (1/11000)^3
16 years ago
The first two columns are initial concentrations of [CH3COOH(g)]and [C2H5OH(g)]and the third is equilibrium concentration of [CH3COOC2H5(g)]. Each row is a different experiment so that's why there are 3 sets of values.
16 years ago
oops the reaction should be 2NOBr <-> 2NO + Br2 (delta)H = +61.1 kJ
16 years ago
I just fixed the equation above but here it is again 2NOBr <-> 2NO + Br2 (delta)H = +61.1 kJ I thought b and e are true however the computer keeps saying that answer is wrong.
16 years ago
no I've entered b and e several times before into the computer (and now again) for the correct question so now I am going to email my instructor, thank you
16 years ago
Haha yes he probably will. I will let you know.
16 years ago
My profesor says that b and e are true but c is also true. The reaction will shift toward the right with a temperature increase because it is endothermic. I did type in bce before but because the computer said it was incorrect I changed my answer. :( It i...
16 years ago
a)(pi)n, where n is any integer b)(pi)/2 + (pi)n, where n is any integer c)0 d)n(pi)/2, where n is any integer
16 years ago
nevermind i got it
16 years ago
write an equation in slope-intercept form for the line that satisfies the following condition. Pass through (11, -15) & (16, 5)
14 years ago
#5 states a problem #7 states hypothesis #8 describes an experiment #6 contains data information
13 years ago
It is A, I just did that one on my quick check
12 years ago
It is a metaphor I just did that quick check :D
12 years ago
It did help. Thank you very much :-)
11 years ago
Got it.... Thanks so much!!!
11 years ago
When I did it I got y=3/4x+9 1/2... Did u get that also ?
11 years ago
(0.930atm*0.393L)/(0.0821*298)= 0.0149mol 0.0149mol/0.393L= 0.038 -log(0.038)= 1.42 what did I do wrong?
11 years ago
Number 3 is D: the search for fossil fuels.
11 years ago
Number 3 is C:redirection of oil wealth to provide social services.
11 years ago
Sorry, i meant number 2 on the last one
11 years ago
inheritance
10 years ago
0,1,and 2
10 years ago
@DrBob222
9 years ago
answer is c I did test too
9 years ago
opps its a while later
9 years ago
Fg = mg Fg = (11.0)(9.81) Fg = 107.91 N Sin x Fg parallel ------ = ------------- 1 Fg Sin 25.0 Fg parallel --------- = ------------- 1 107.91 Cross multiply (107.91)sin(25) = 45.6 N ≈ 46 N *(≈ <-- is an approximation symbol)
9 years ago
Fg = mg Fg = (11.0)(9.81) Fg = 107.91 N Sin x/1 = Fg parallel/Fg Sin 25.0/1 = Fg parallel/107.91 Cross multiply (107.91)sin(25) = 45.6 N ≈ 46 N *(≈ <-- is an approximation symbol)
9 years ago
30 mph
9 years ago
I was thinking it could be a rowboat (?) because it's a small boat, and not armed with any equipment. (antonym)
9 years ago
Thanks
9 years ago
Ur Right Mia:D..Good luck ~Ava
9 years ago
Can you help me with my 4th grade homework I need help with "In how many different ways can you put a rabbit, ferret, gerbill, and turtle arrangements to feed his pets?"
9 years ago
2groups of 5
9 years ago
Question 31 explained he went camping with his family for 7 days. 5x8=40 5x7=35 40-35=5 5 bottles of water before the trip.
8 years ago
Expanded noun phrases are actually simple if you look at them in context! Here is an example of a noun phrase: There was a barn owl. expanded noun phrase: There was a majestic barn owl. Its putting a noun before the adjective.
8 years ago
a. Consumer surplus decreases
8 years ago
480 Ha! I didn't know it was that easy, thank you
8 years ago
45:30
8 years ago
I was able to round up to $23.80 am I close
8 years ago
its D?
7 years ago
25/50
7 years ago
7/10
7 years ago
thx
7 years ago
D B C A
7 years ago
D B A A
7 years ago
1.84x10^5
7 years ago
It's a poem that I created but I'm stuck
7 years ago
Thanks!
7 years ago
I’m doing a problem it says “ Isabel wants to estimate the length, width and height of her bedroom. If her bedroom was empty, the volume of her room would be 864 cubic meters. Her bedroom’s length are the same measurements but the height is half the lengt...
7 years ago
I think the answer is A, but I'm not sure if it is.
7 years ago
I think it's B.
7 years ago
Are you really a homework helper, cause I don't understand your strategy.
7 years ago
Thanks for your help, Mark. You should keep answering other peoples questions.
7 years ago
Thank you I was having trouble 🤗
7 years ago
I got 100
7 years ago
Complete this statement: I wish math Whizz.......
6 years ago
15
6 years ago
18-5.50 is not 15.50. It is 12.50.
6 years ago
The American Colonist
6 years ago
Can you give me the questions.
6 years ago
Thank you
6 years ago
I go 100 % Thx
6 years ago
Ty mk
6 years ago
Can you help me with the answer for 240÷40 😶!
6 years ago
I’m doing the same questions in 2019
6 years ago
I still don’t get it
6 years ago
Is it 7
6 years ago
Is the answer my best friend
6 years ago
Is it loyal and kind
6 years ago
40(2.25)+ 25(1.00)
6 years ago
It is A : 40 clients it's 2.25 for each daily plus sunday 40(2.25) 25 clients it's 1.00 for Sunday only 25(1.00) 40(2.25) + 25(1.00)
6 years ago
12
6 years ago
Write tree equivalent ratios for 28/42 and 36/45
6 years ago
140 miles on 4 gallons of gas
6 years ago
is everyone cheating?????It Would be so much easier to just go to the teacher for help.
5 years ago
Huh, Luci is right
5 years ago
Yes
5 years ago
I think It’s 1\4 to
5 years ago
Dose this website really help people
5 years ago
The correct answer is D. hope this helps.
5 years ago
They got 48 because 12 divided by 1/4 is 48
5 years ago
What? What is the question mean?
5 years ago
Bro, what? Why are you doing this? Raider.
5 years ago
You are wasting your life to do something like this and that is stupid.
5 years ago
Oooo thank you oobleck!!!
5 years ago
i think its 20, i got it right!
5 years ago
It's c
5 years ago
Me too I got the wrong answer mine said 33
5 years ago
What the answer
5 years ago
Roses are red violets are blue lets check BlackWeb answers to see if they are correct too. Roses are red violets are blue hooray I got a 100% what about you?
4 years ago
Okay, thanks. That helped me a lot. How would you go about the same problem after 60.0mL of NaOH has been added to the solution? I think I know how to do it but I am not sure how to set up the equilibrium equation
4 years ago
The [10.3] and [5.18] are the answers to the respective questions, but I am not sure how to get to this answer.
4 years ago
I need help on unit 2 lesson 5 Health 6th grade test
4 years ago
I need help on this test please
4 years ago
what is the LCD for 3/5-2/10
4 years ago
If no one has the correct answers don't type anything and please don't make people fail on purpose it is very rude and unkind.
4 years ago
Yay a few seconds behind you woo hoo 🥳
4 years ago
Ikr same
4 years ago
Oh Ok
4 years ago