Isaac

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

Questions

The following questions were asked by visitors named Isaac.

How do you compare decimal numbers?
17 years ago
What set of instructions would you give somebody to compare decimal numbers?
17 years ago
does our solar system move in the milky way galaxy?
17 years ago
What is 25 Divided by (-5)
17 years ago
2a squared + 8a = -12
16 years ago
V = Mnxn is a space vector formed by all the square matrices. Is W = {A in Mnxn : A^x = A} a subspace of V? Thanks
16 years ago
Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television shows, however, many homeowners are becoming amateu...
15 years ago
Explain how you could estimate 22% of 78 to check if your answer is reasonable.
14 years ago
A plane flies 150km due south and then 150km on a bearing of 45 degrees Celsius. With repeat to it initial position, find a. How far south the plane is b. how far east the plane is is c. It bearing d. How far way it is
14 years ago
A manufacturer constructs open boxes from sheets of cardboard that are 6 inches square by cutting small squares from the corners and folding up the sides. The Research and Development Department asks you to determine the size of the square that produces a...
14 years ago
What is the predicate in this sentence? The wiskers on my kitten twitch when I rub its back.
14 years ago
Hello, could someone please help me with this problem? I'm a little stuck with it. Thanks, Isaac A rectangle is to be inscribed with its base on the x-axis and its other two vertices above the x-axis on the parabola y=9-x^2 (a) find the dimensions of the...
13 years ago
Find the exact solutions of the equation in the interval [0,2pi). sin(x/2)+cos(x)=0
13 years ago
Solve for y and x. x(y+2)=z Please Explain for me
13 years ago
A=p+prt. Solve for p and t
13 years ago
The temperature at the top of Mt. Washington one morning was -10 degrees Fahrenheit. With the conversion formula C=5/9(F-32). What was the temperature in degrees Celsius (to the nearest degree)?
13 years ago
The War of the Roses placed the __________ on the English throne. Lancasterists Tudors Sheffields Bosworths Normans
13 years ago
How can you prepare 2M of 200 ml HNO3 solution from 63% stock solution of HNO3 which has a density of 1.4 g/ml?
12 years ago
Ratio in simplest form
12 years ago
At a lake, 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach?
12 years ago
When M+N=8 and 2R+N=8, what is the value of R? A.16 B.4 C.-4 D.-8 E. It cannot be determined from the information given.
12 years ago
three numbers in an arithmetic sequence sum up to six. if you add 1 to the first number, 2 to the second number, and 5 to the third number, what are the orginal three numbers?
12 years ago
There is this improper integral problem I've been given. I've completed most of it but still don't understand what I'd get, I don't quite get what it means to go from 'e' to 'infity'. What would I get? -ln(x)+1/x from 'e' to 'infinity' + -1/x from 'e' to...
12 years ago
The question is find the area of the reagion that is bounded by the curve y=arctan x, x=0, x=1, and the x-axis. So I've drawn the enclosed region. To find the area would I use the Disc/shell method? If so the formula that I came up with looks like this: I...
12 years ago
How can I prove this series alternating series converges(this is the answer)? (-1)^2*(2/3)^n I tried it this way: an = (2/3)^n, then i just broke it down. 2^n/(3^n) and i took the ratio of it and got 2/3 which does not equal to one which would mean the se...
12 years ago
factor 4x cubed - 32
11 years ago
A smart phone is on sale for 25% off its list price. The sale price is $149.25. What expression can be used to represent the list price of the phone.
11 years ago
A car, moving along a straight stretch of highway, begins to accelerate at 0.0261 m/s2. It takes the car 48.6 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s Couldn't find a formula for this :(
11 years ago
Danielle received $32 for her birthday. Three years ago, she received 1/4 as much. How much did Danielle receive three years ago?
11 years ago
I spent 2/3 of my money at store A. I spent 1/3 of my money at store B. When I left store B I had $4. How much money did I have when I entered store A?
10 years ago
A uniform rod AB is 2m Long. The rod, which exerts a downward force of 60N at its center, is placed on a knife edge support positioned 0.8m from A. Determine the vertical downward force required at A to prevent rotation.
10 years ago
Roger just got a puppy for his birthday. He and his mother will build a fence around an area in the backyard for the puppy to play in. The play area will be 24 square feet. What dimensions could the play area be? Which dimensions would require the least a...
10 years ago
When is the term, formula unit, useful? Is it when trying to figure out the empirical formula?
10 years ago
Give an example of one polyatomic cation and one polyatomic anion. Show how these ions combine to make a compound. My thinking: Cation-ClO Anion-K How they form, I don't know?
10 years ago
a car salesman works for a monthly wage of $1000 and 10% of his cars sold. Using m for his total monthly income and c for the value of the cars he sells in a month, the equation that shows this is m=0.10c+1000 A. What would the equation be if, instead, he...
10 years ago
last year mr smith's rectangular garden has a width of 4 meters and an area of 24 square meters this year he wants to make it three times as long and twice as wide
9 years ago
A ship leaves port at 6 am and heads due east at 20 knots. At 10 am, to avoid a storm the ship changes course to N 47° E.. (47° east of north). Find the ships distance from port at 4 pm.
9 years ago
A square of lawn is surrounded by a path 0.5m wide,,the area of the lawn is 23m^2 bigger than that of the area of the path ,,find the side of the lawn.
9 years ago
A body moving with a velocity at 10 ms collides with a stationery box of mass 100 kg.I f the body has a mass of 50 kg and the two move together after collision.Find their final velocity?
9 years ago
What figure has six faces, and each face has the same surface area?
9 years ago
Let f be the function defined by f(x) = (x^2 + 1)e^-x for -4≤x≤4. a. For what value of x does f reach its absolute maximum? Justify your answer. b. Find the x-coordinates of all points of inflection of f. Justify your answer.
9 years ago
Several models of a rectangular cabin are being studied the perimeter of each model is 26 inches the length of one model is 8 inches what is the width of the model
9 years ago
Compare a desert ecosystem and forest ecosystem.
9 years ago
Determin x if f(g(x))=0 for the following f(x) = 3x-2 g(x) =5x+5
9 years ago
A watch loses five seconds every one hour How many minutes will it loss in two days
9 years ago
The Sum Of Two Consecutive Number Is 39.What Is The Smallest Number
9 years ago
Commercial Sodium hydroxide has a concentration of 19.4mol/L. How many milliliters of sodium hydroxide solution can be prepared from 59g or sodium hydroxide.
8 years ago
The width is 2/3x+10 and the height is 1/3x+5 and the next question asks if the perimeter was 90 what would x represent?
8 years ago
Sn= N^2-4n, using this formula find the first 4 terms
8 years ago
10.5g of potassium trioxonitrate(v) salt saturated 5g of solvent at 15°c. Calculate the solubility of potassium trioxonitrate(v) salt at that same temperature in: a)g/100g of solvents b)moles per dm^-3
8 years ago
How Would You Classify The Oxides Of period3A Elemet?
8 years ago
How many positive integers less than 100 and divisible by 3 are also divisible by 4?
8 years ago
1.Which ratios form a proportion A.3/15,12/55 B.8/24,12/35 C.5/18,25/90D.4/11,16/25 2.Which ratio forms a proportion with 9/15 A.6/10B.16/21C.36/50D.45/70
7 years ago
Why did the chisholm trail end in abilene, kansas? plz help i read the text it gave me and i still can't find the answer.
7 years ago
A wheel rotate 200° in 4 seconds. calculate the angular turn in radius.
6 years ago
Explain how physical features can be inferred on a topographic map citing relevant examples
5 years ago
How physical features can be inferred on a topographic map
5 years ago
the error that may be present when varying values of time are obtained 30times for a rolling metal cylinder down an inclined plane between two fixed poin on the using a stop watch is?
5 years ago
the temperature of steam rising from pure water boiling understand atmosphere pressure is ? Please explain why it is like that
5 years ago
The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname If more than one surname begins w...
5 years ago
After covid19 am publishing a book concern it That concerns (1) religious &ethnicity (3) sociological school of thought (4) fall in the developed countries and developing countries economics(gain or lost) (5):the effect it has on population and resources...
5 years ago
My proffersor gave us all to do this It it worth 50% of my assessment score this semester but I don't really know how to even go about have been googling it online but still no luck..... I need details analysis Conjecture : The equation 24b= 2(ab+1) has n...
5 years ago
Please I need serious help (((1-e^(-x))cosx)dx/x???
5 years ago
Integral {(1-e^(-x))cos(x)}dx)/x I read sir obleck work yesterday night but I couldn't respond as I was banned I don't know why Any specific function to use here Help me am bother not to fail this
5 years ago
How do I factorise this x²y-2x²z+2y²z-3xy²
5 years ago
How do I find the coefficient of y^99 in the expansion (y-1)(y-2)(y-3)...........(y-100) Please I need details solution
5 years ago
If Ω=ΣΣΣ(mn)/(m+n+p)!=5e/24 For the first summation M=1 to +∞ Second summation N=1 to +∞ Third summation p=1 to +∞ I was giving a hint but still ΣΣΣ(mn)/(m+n+p)!x^(m+n+p)=f(x) Where f(0)=0
5 years ago
If A=1+1/[1+2]+1/[1+2+3]+.....+1/[1+2+3+....1000] and B=1+[3/4]+[9/(16×2!)]+[27/(64×3!)]+...+[3⁹⁹/(4⁹⁹×99!)]+...if the value of "B" converges. How do i find [A²+B²]?
5 years ago
If A=1+1/[1+2]+1/[1+2+3]+.....+1/[1+2+3+....1000] and B=1+[3/4]+[9/(16×2!)]+[27/(64×3!)]+...+[3⁹⁹/(4⁹⁹×99!)]+...if the value of "B" converges. Then find [A²+B²]? How do I do this? I need details solution plz put me through......
5 years ago
Solve and find the general solution of y (3x+1)y"-(12x+5y)y'+6y(2x+1)=28⁴√(3x+1)³.•e²x Help me out please ......
5 years ago
Was wondering Do they exist a general formula for something like this?? √1+√2+√3+√4..........√n I just thought of it though wanted to ask if there is
5 years ago
How do I go about this? I need details solution to study find any given rectangle ∆ R=(xbase0,xbase0+w).(ybase0.ybase0+h) if we define function A A(R)= ∫ ∫R e^(2iπ(x+y)dxdy ????
5 years ago
How do I go about this? I need details solution to study find any given rectangle ∆ R=(xbase0,xbase0+w).(ybase0.ybase0+h) if we define function A A(R)= ∫ ∫R e^(2iπ(x+y)dxdy Assuming the range for (x,y) are for all real positive integer ....where do we go...
5 years ago
Find a for which the points (1,2), (-3,2),(6,5) and (a,3) are concyclic. I used the properties but I had a very heavy polynomial which broke my heart
5 years ago
Identify three examples of human factors that causes ill health in your community explain and give examples each
5 years ago
The common ratio is 3 if the 7th term is greater than the first by 65, find the 7th term
4 years ago
Eualuate (log of root 35)/(log of root 7)
4 years ago
5.3.2 - Quiz: Dramatic Structure Quiz 1.Read the list of literary terms. actor director stage directions camera directions Which word belongs on the list? A. script B. novel C. quotes D. narration
4 years ago
The 7th term of an AP is twice the third term;and the sum of the first four term,find: [1]common ratio [2]find the sum of the first 12th terms
4 years ago
Which is the shortest electromagnetic wave and carries the largest amount of energy?
4 years ago
What is the name for an unit of measurement that is used to measure vast distances in space?
4 years ago
Geometry I did not get this question at all, if someone could help, I would appreciate it! It says: Reword Theorem 1-3 as two statements, one describing existence and the other describing uniqueness. Theorem 1-3 says: If two lines intersect, then exactly...
4 years ago
24g of magnesium reacts dilute hydrochloric acid calculate the volume of hydrogen gas evoled at s.t.p [Mg = 24, molar volume of a gas at s.t.p = 22.4dm
3 years ago
Make r the subject s=p(1+r)n
3 years ago
Solve 8 = 36sin^2 3x+60sin3x+17, where x {0,2pi}
3 years ago
Calculate the power generated by a Man of weight 500N if he runs up a flight of stairs,8.5m high in 5s
2 years ago

Answers

The following answers were posted by visitors named Isaac.

I don't think so
17 years ago
thank you
17 years ago
Write this equation in standard form.. y=x2-6x+11 the x is squared
15 years ago
(delta) V=EPE/q 400V = EPE/q 400V*q = Ekfinal (in J) 400V*3.2x10^(-19) (the charge of two protons in helium nucleus) = Ekfinal (in J) = 1.28x10^(-16) J Convert this to eV (divide by the charge on 1 electron), and you get 800
14 years ago
I just wasn't sure if the answer was simply a sketch, 6 - 2x each side with the cut-outs. Thanks!!
14 years ago
twitch and rub its back, there are two predicates but question asks for one
14 years ago
Go to google and search it you will find the answer
14 years ago
If you go to google it says Johann Gutenberg invented the printing press
14 years ago
2 Quarters equal 50 cents. 1 dime equals 10 cents 2 pennies equal 2... Add then all together 0.50 0.10 0.02 ____ 0. 62 Subtract 0.75 from 0.62 You get 13
14 years ago
The inside has to equal 360 since its a 4 sided figure you know 2 sides which are 90 and the third side is 52 so 360= 52 + 90 + 90 + x solve for x 360 - 90 - 90 - 52 = x x=128
13 years ago
multiply both sides by 5 to get rid of the denominator and you get w(5)/5 = 6( 5) the 5's cancel out on the left side and you get left with w= 30 ** always remember - whatever you do to the left side you must do to the right* ( in this case we multiplied...
13 years ago
so n = 240 and i is 0,61?? and would the radius be 0.018/2??
13 years ago
well he made plays on this topic so True?
13 years ago
Contribution margin = sales revenue - variable cost... So (20000*10) 200000-(20000*4)80000= 120000
12 years ago
answer:3
12 years ago
3 not on the beach
12 years ago
At a lake 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach?
12 years ago
At a lake 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach? Is it 3?
12 years ago
No its C. I go to Connections academy and just did that test!
12 years ago
It's C
12 years ago
= 1/(3x+5)*d/dx (3x+5) =3/(3x+5)
12 years ago
7. potential energy 8.reducing the friction between the wagon wheels 9.21 10.The wheelbarrow supplied 87.5 J of work.
10 years ago
So it's used to create a mass for a molecule that doesn't exist, if what I am getting is correct. So by using the ratio between the two elements, especially those in an ionic compound such as NaCl, it's there to give a value to something that never had a...
10 years ago
If I did those two, how would I show the two ions coming to make (NH4)2SO4?
10 years ago
v=vo +at vo=v v-at vo=9.81m/s - (6.24m/s^2(.3s)) vo=9.81m/s - 1.872m/s vo= 7.44m/s
10 years ago
84
9 years ago
Sorry what do you mean by ^ ?
9 years ago
Thank you Unknown Guy, helped a lot!
9 years ago
Pls what is x i beg you
9 years ago
Solu 1] the answer i add both syd and divide it by 2
9 years ago
Pleasea help me out am stock
9 years ago
Molecules of H2: 3 molecules. Nitrogen atoms present: 3 atoms Moles of NH3 formed: 2 moles
9 years ago
More to it than meets the eye
9 years ago
The correct answer is Tree. The second answer could be "island" because it is filled with life, but a tree closely resembles one's life in which it grows.
8 years ago
The correct answer is D! We know this because 5 goes into 45 9 times, and 5 goes into 70, 15 times! When finding this fact, you can divide 45 by 9, and 70 by 15. If you get the same number, 5, you'll know it is correct!
8 years ago
X = 2 Y = -2.5 Slope = 1.250
8 years ago
C is correct! Like I said when I last helped you, if you divide 25 by 5, and 90 by 18, you will get the same number (5), so that's how you know it is correct!
8 years ago
in 300 word write an essay Nigeria is my country
8 years ago
Actually she was being pretentious saying "It's actually D" Giving the guy the wrong answer. I Thank the anonymous user for sharing the facts so i get the right answer.
8 years ago
10.5g of potassium trioxonitrate(v) salt saturated 5g of solvent at 15°c. Calculate the solubility of potassium trioxonitrate(v) salt at that same temperature in: a) g/100g of solvents. b)moles/ dm^3
8 years ago
A free market
8 years ago
m = 5
8 years ago
I am very confused on this problem: 2 x 2 x 2 + (14 - 4) divided by 2
8 years ago
Methyl Orange and litmus paper are mostly used
8 years ago
40
8 years ago
I need to now naw
8 years ago
LMFAO MATT YOU MEME HAHAAA
7 years ago
Meme #2
7 years ago
i think d
7 years ago
no sry im not good at math AT ALL. ill try again
7 years ago
OH i know its A in 10 is 66% of 15 and 6 is 66% of 9
7 years ago
ok thx see ya
7 years ago
Why do u hate her
7 years ago
Thx for that margo it helped with connexus THX :^)
7 years ago
i think it is D but history isn't my strong suit so
7 years ago
yea
7 years ago
the 4 answers i have are A.It had a seaport B.it was a big northern city C it had an import rail station D. it was a major eastern market.
7 years ago
yea anonymous got it wrong cool and Hal are correct
7 years ago
the R-Dissl
7 years ago
like yo name Lol and yea hes correct
7 years ago
it my just be me but my correct ones are A,D dont trust me it my just be me.
7 years ago
Plz put the real answers
7 years ago
ye thx
7 years ago
1.C 2.B+C 3.B 4.A 5.B 6.C 7.B 8.A 9B+C 10.A
7 years ago
molar mass of CaCl2=111g. To get the number of moles of CaCl2, divide the reacting mass by the molar mass that is, 25g/111g
7 years ago
Send
6 years ago
Wut da hek bruh dats EASY
6 years ago
Thank you
6 years ago
I would like to share the method I was able to use to find the answer that Steve posted above. The answer is correct (I plugged in numbers and the answer in the back of the book matches what I got), but I wanted to find how exactly those equations were fo...
6 years ago
A wheel rotate 200° in 4 seconds. Calculate the angular velocity in radius
6 years ago
Don't put the =7 just a typo
6 years ago
Quick one
6 years ago
Me don’t know lol I stupid
6 years ago
For A use) Magnitude = (X^2+Y^2)^1/2 tan^-1(theta) = X/Y For B use) a = Magnitude/mass
6 years ago
theta = tan^1(X/Y)
6 years ago
Spirit of Math, huh you meme
5 years ago
1 hour and 6 minutes is the answer no cap not to liw. On GOD!!!!!!
5 years ago
phhhhh fg i don't know add me on roblox armyisaacweirdkid
5 years ago
Fred spent 2/9 of his paycheck on food and ⅓ on rent. He spent ¼ of the remainder on gas. After all that, he had $210 left. How much was his paycheck?
5 years ago
Mrs.Sue you suck. #Reedisright REED IS RIGHT
5 years ago
Bob you are wrong. A LOT OF PEOPLE GIVE YOU RIGHT ANSWERS
5 years ago
48+2x²=16 Reduce by 2 24+x²=8 x²=-16 x=✓(-16) You would have to go imaginary now Assume j²=-1 X=✓(j²16) x=±4j ------------ k²=k (k²-k)=0 K(k-1)=0 K=0 or k=1 --------- 2m²=17²-15² 2m²=(17+15)(17-15) 2m²=32×2 M²=16×2 m=√(16×2) M=±4√2 Please see if you can h...
5 years ago
I see a geometric progression here a=2 R=2 N=12 T12=2(2)^11=?
5 years ago
Agreed I have been going but over this
5 years ago
Let the number be p And 28 Then 5 times the sum is at most 5(P+28)≤-15
5 years ago
7(-3+4x) That what I do here
5 years ago
V²=90-9 V²=81 (V-9)(v+9)=0 V=9 or -9 I don't know why you posted this they are all the same ideal
5 years ago
What are your reasons for selecting 4&5 I want to write it out down and make valuable point with it?
5 years ago
Carme Can you follow my step up there and post your answer here for confirmation It would help me and you if I see your little effort
5 years ago
Thanks but I need some highlighted point and substantial reasons.....
5 years ago
HeeHee you forgot there is 9 questions
5 years ago
I was banned just now........ But why? Am asking questions Out of my curiosity Jishka is like a blessing to me since I don't have money to pay for other site? And the reason I only post some tutors name here was because I really want to draw his attention...
5 years ago
If the first person get 1/2 And you said it is a geometric sequence The second person gets 1/4 The third 1/8 1/2,1/4,1/8..........T7 a=1/2 T7=ar^(n-1)=1/2(1/2)^6=(1/2)^7=1/128
5 years ago
10y²+21y-10=0 10y²+25y-4y-10=0 (10y²+25)-(4y+10)=0 5y(2y+5)-2(2y+5)=0 (5y-2)(2y+5)=0 5y-2=0 or 2y+5=0 Y=2/5 or y=-5/2
5 years ago
Thanks sir yes it was a typo
5 years ago
Sorry for my typo it is 2^b=2(ab+1)
5 years ago
I can help If the 1st mixed number be x And the second be y x+y=15 3/10.........(1) x-y=8 5/10........(2) Add 1&2 2x=153/10+85/10 2x=2(119/10) X=119/10=11 9/10 Y=153/10-119/10 Y=34/10=17/5=3 2/5
5 years ago
Balance of payment is the sum total of all economics transaction at the end of the trading period usually a year (D)........
5 years ago
10(x+25)≥18 Solve for x now
5 years ago
Wow yes......I noticed it just now thanks sir obleck
5 years ago