Ivan

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

Questions

The following questions were asked by visitors named Ivan.

Is this a run-on: Martha moans and groans upon getting in the morning she sounds like a crazy woman.

find the x-coordinate of the point P on the parabola y=1-x^2 for 0<x<1 where the triangle that is enclosed by the tangent line at P and the coordinate axes has the smallest area.

6 NaOH + 2 Al ---> 2 Na3AlO3 + 3 H2 How many moles of NaOH are required to produce 3 g of hydrogen?

use the digets 2,4,6,and 8 to create an expression with a value of 2

mark hid a 10 bill inside his favorite book. he forgot the pages where he hid it. is the sum of the pages where the bill is hidden is 177, on what pages will mark find his money

Calculate f'(-1) f(x) = x^7 * h(x) h(-1) = 5 h'(-1) = 8 Answer is 27, but I got no idea how to get there.

Four identical 12µC charges are placed at the corners of a square of sides 44 cm, with one additional 12µC charge placed at the center. Find the electric potential at the midpoint of one of the sides.

6x-3y=4 find dy/dx using differentiating implicity

x^5-5y=6-x find dy/dx using differentiating implicity

2y^3-y=7-x^4 find dy/dx using differentiating implicity

(y^2+2)^3=x^4y+e^2 find dy/dx using differentiating implicity

Find the area of the following circle. ( = 3.14; round answer to the nearest whole number). Circumference = 120 cm. (Hint: Find r from C = 2r (round r to tenths); then find area).

A gardener is installing a circular garden. The radius of the circle 28 feet. He needs to know the circumference in order to buy materials for the edging. What is the circumference if he uses = 22/7. The circumference is ?

Find the area of the following ellipse (round to nearest tenth). 2a = 10 cm; 2b = 24 cm. a = How many cm2?

Find the area of the following ellipse (round to nearest tenth). a = 9 in.; b = 8 in. a = How many sq. in.?

Find the area of the following circle. r = 9 yd. a = How many square yards?

a = 12 cm b = 14 cm h = 8 cm. Compute the area. How many cm2?

a = 12 ft. b = 8 ft. a = How many sq. ft. ?

A lot is in the shape of a trapezoid. The sum of the bases is 180 feet. If the area of the lot is 8,100 square feet, what is the distance across the lot, i.e., the altitude of the figure? The altitude of the trapezoid is how many feet?

Compute the area of a triangle with sides. 15 × 15 × 18 a = How many square units?

Compute the area of the triangle. (Express answer in cm2) h = 6 cm b = 12 cm a = How many cm2?

A trapezoid has an altitude of 12 cm. Its parallel sides measure 10 and 8 cm, respectively. What is it's area?

A square measures 8 inches on each side. What is its area rounded off to the nearest whole number. (Note: 1 inch ≈ 2.54 cm)

The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet. What are the 3 lengths?

If the boy is 4' 9" tall and his shadow is 6 ft. and the shadow of the flagpole is 19 ft., determine the height of the flagpole (to the nearest tenth).

Two angles are complementary. One contains 20° more than the other. Find both angles.

Mr. Thompson has been asked to add storage space to a garage. He estimates 6 square feet per individual will be required to meet the needs of 12 people. If the storage space is 15% of the total amount of space required, how much total space does Mr. Thomp...

If a rectangular lot measures 120 ft. x 80 ft., and 10 foot set backs are required from each lot line, how much area is left? If a kennel for 50 dogs requires 12,500 square feet, how many dogs can be accommodated in the small rectangle?

Find the area of the bedroom in square feet of 11' x 13' 10"

An alloy of copper is 10% copper and weighs 25 pounds. A second alloy is 18% copper. How much (to the nearest tenth lb.) of the second alloy must be added to the first alloy to get a 13% mixture.

If we want to find the height of an object like a flagpole, what type of triangle do I use?

How large is an angle whose supplement is three times its complement?

in saturated sugar solutions what is the solute? what is the solvent?

2^(x)/(1-2^(x))=3

I need help on; how to contrast Walt Whitman perspective of America with the perspective that the members of Occupy Wall Street and the the Tea Party movement have about America.?

During a certain thermodynamic process a sample of gas expands and cools, reducing its internal energy by 3690 J, while no heat is added or taken away. How much work is done during this process?

A truck whose bed is 2.5m long, 1.5m wide, and 1m high is delivering sand to a construction site. How many trips must the truck make to deliver 7? cubic meters of sand? Plese explain your answer.

Mary walks west at 2.0m/s for 15 seconds, then north at 3.0m/s for 2o seconds and then east at 4.0m/s for 0 seconds. What is her displacement answer is (108m(N56 DEgrees E)

Solve the equation: |6x - 2| = |3x + 1|

If a varies jointly as b and c, and if a = 100 when b = 5 and c = 25, find a when b = 12 and c = 60

What is the molarity of 50.0 mL solution of aluminum sulfite that contains 80.0 g of this salt? (Al=27.0, S=32.0,O=16.0)

When we mix 25.0 mL, 2.0 M BaCl2 with 25.0 mL, 3.0 M Na2SO4 what is the balanced equation? What is the ionic equation? what is the net ionic equation?

For the fist order reaction A <-> B, calculate the t1/2(half life) and k(rate constant) and also fill in the blanks. A-Concetration t-time 20 0 10 ? 5 40 sec 3 ? ? 500 sec t1/2=? k=?

For a second order reaction A <--> B, calculate the t1/2 (half life) and the k(constant) and also fill in the blanks. A (concentration) t(time) 20 0 sec 10 ? 5 40 sec 3 ? ? 200 sec t1/2=? k=?

For the fist order reaction A <-> B, calculate the t1/2(half life) and k(rate constant) and also fill in the blanks. A-Concetration t-time 20 0 10 ? 5 40 sec 3 ? ? 500 sec t1/2=? k=?

The length of a rectangle is 3 cm less than 4 times its width. The perimeter is 74 cm. Find the length

The man slides the 100-kg crate across force of 200 N. If the crate was initially at rest, how far will the crate move before its speed is 1 m/s? The coefficient of kinetic friction between the crate and the floor is 0.18. The man is pulling the crate at...

A linear spring of stiffness k is designed to stop the 20-Mg railroad car traveling at 8 km/h within 400mm after impact. Find the smallest value of k that will produce the desired result.

List all asymptotes (both horizontal and vertical) of the rational function: f(x)=(10x−3)/(8−7x)

A gumball machine contains orange, yellow and purple gumballs. The probability of getting an orange ball is 3/4 and the probability of getting yellow ball is1/6. What is the probability of getting a purple ball?

A rectangle field has an area of 300 square meters and a perimeter of 80 meters. What are the length and width of the field? I really need help I don't know the answer.

What is negative eight classified

pepe is tasked with carefully measuring precisely one mole of aluminum. How should pepe go about completing this assignment?

Hi, we have done an experiment in class where we have an equalibrium between (Co(H2O)6)^+2 + 4Cl^- <-> (CoCl4)^-2 + 6H2O where we added HCl dropwise until a colour change occured which changed the solution into a dark blue as the concentration of the Chol...

In a heat engine, if 700 J of heat enters the system, and the piston does 400 J of work, what is the final internal (thermal) energy of the system if the initial energy is 1,200 J?

What is the period of mathematical pendulum with a lenght of 39,2 m ?

Material point is accomplishing harmonic oscillation. What is the time for its displacement from equilibrium position to half of its amplitude ? The period of oscillation is 24 s, and the initial phase is 0 rad.

Solve the triangle. a=16 c=5 B=65degrees

How many hydrogen atoms are in 6 moles of C3H8O?

Find the vector projection of u onto v. Then write u as the sum of two orthogonal vectors, one of which is proj (Subscript v)u.

You have the options of a plain, waffle or chocolate cone, you can have 1 scoop, 2 scoops, or 3 scoops. There are 36 flavour options. And you pick 2 toppings out of 10 different options. How many different Ice cream possibilities are there?

Consider the function f ( x ) = 3 − 5 x^2 on the interval [ − 2 , 8 ] . Find the average or mean slope of the function on this interval, i.e. f(8)-f(-2)/8-(-2)= By the Mean Value Theorem, we know there exists a c in the open interval ( − 2 , 8 ) such that...

The equation y = -16t^2 + 60t describes the height (in feet) of a projectile launched from the ground at 60 feet per second upward. In how many seconds will the projectile first reach 56 feet in height? Express your answer as a decimal rounded to the near...

i am a number between 7 and 8 million, all the digits are odd, all the digits in my units period are the same, the sum of digits is 31

Choose the pair of ratios that form a proportion A. 4/14, 6/21 B. 3/7, 4/8 C. 6/3, 12/8 D. 6/5, 5/4

Translate this sentence into an equation the product of 8 and gorans savings is 152 use the varible g to represent gorans savings

Does jishka still exist??

Answers

The following answers were posted by visitors named Ivan.

"How many days are there in the month of october?"

420cal = 2.25 cans ? cal = 1can To find the number of calories we just do the cross product, so: 420cal x 1can / 2.25cans = ? cal 420cal/2.25cans = 186.6667cal

6-4=2 2+4=6 you can use other numbers too 6-5=1 1+5=6 etc.

I understand what you guys think I am a soldier on duty and I have to turn these in I am runnning out of time and I need help thanks

A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 12 ft.? How many feet is the Drive Way?

Thanks man i appreciate it

Thanks man both answers you have answered for me have checked out to mine that i have got.

what do you mean?

Thanks man that makes so much clearer. i posted another question similar to this but its a first order reaction. would that change how you work it or is it done the same?

ok thank you, exactly what i needed to know .

ok thank you, whats the formula to find the time of the missing blanks in the question?

ok i got that now thank you. how will i find the answer for the blanks in the time? is there a formula for it?

Thank you Ms. Sue I get the same answer. The problem is that teacher offer this answers: a. 29 cm b. 28 cm c. 27 cm d. 33 cm What did we do wrong?

This answers is wrong don't use please.

steel core, what is the thermal stress in the aluminum shell when the system is heated from the unstressed state (20∘C) to 180∘C? Consider only deformations in the axial directions. Give your answer in MPa αAl=23.6×10−6K−1 EAl=70GPa αSteel=11.7×10−6K−1 ES...

The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−A/r^m+B/r^n Derive and expression for the stiffness of the bond at the equilibrium spacing, in terms of A, B, m, n, and r0. S=dF/dr at r=r0:

Not agreeable now! :(

Sorry don't know this answer please try again next time! :) LOL!

Wow so do you seriously not know what the answer is Damon? Or are you just this stupid not to answer someone's question? Seriously . . . just wondering do you not know the answer?

Question text Calculate the energy required to melt 21 g of ice at 0 oC. The molar heat of fusion for ice is 6.02 kJ/mol. Answer kJ

Question text Calculate the energy required to melt 21 g of ice at 0 oC. The molar heat of fusion for ice is 6.02 kJ/mol. Answer kJ

That means when his nose grew with lies, he can just cut off his nose to make it short again and put it in the fireplace.

(1.1kg/1)(1000g/1kg)= 1100g 3.2*17.1*3.7=328.32 d=1100g/328.3cm^3 3.4g/cm^3

6 Rows in all (2 more rows of 5 in each row)

According to Newton's 3/2 law, the total entropy change that occurs would be calculated by k*(1/2Ke)mv^2+degrees celcius giving you 1.3999898989898989899898

A scientist has 0.46 mL of a solution. How would she convert this volume to microliters?

Section Solvers Lessons Answers Click here to see ALL problems on Quadratic-relations-and-conic-sections Question 812207: A gardener is putting a wire fence along the edge of his garden to keep animals from eating his plants. If he has 20 meters of fence...

Are those correct?

@ Ms. Sue, I'm not the best at English, but even I know how to word things properly. You might want to contact one or all of the English teachers and get some help. It is truly a shame that you cannot spell.

Doesn't matter how heavy the object is, it will fall at the same speed, Newtons laws my friend. There is no air resistance in algebra.

How many electrons to lose in selenium

How many electrons to lose in Argon

Hello There! I just found your site and I think that you've got something really great here with a lot of potential! As a fellow entrepreneur and website owner with over 100 websites, I'd like to offer you some free advice. You could take this website to...

Nvm i messed up writing the question just ignore this

Meeeeee is right I got a 100% thanks :)

Thanks mystery person :)

Weight of the ruler is 0.5Newton