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MgCl2(s) → Mg2+(aq) + 2Cl^-(aq)How many total ions? 2.0 x 10^5 N2O3 How many total atoms? How many nitrogen atoms and oxygen
1. 1 answer
2. 1,119 views
An apple drops from a tree and hits the ground in 1.5 secs. What is it’s speed just before it hits the ground?
1. 2 answers
2. 1,207 views
An ant is on top of a tree 232323 meters tall, directly above her home, which is 0.30.30, point, 3 meters below the ground.
1. 1 answer
2. 469 views
A tennis ball is dropped from 1.76 m above theground. It rebounds to a height of 0.928 m. With what velocity does it hit the
1. 2 answers
2. 3,680 views
There are 5 red marbles, 8blue marbles, and 12 green marbles in a bag.What is the theoretical probability of randomly drawing a
1. 1 answer
2. 753 views
which one of the following gives the distance between the numbers 11 and -8?-19, -3, 19, 3 How do you figure out these
1. 2 answers
2. 509 views
You paint 1/2 wall in 1/4 hour. At that rate, how long will it take you to paint one wall?How do you figure out these problems,
1. 3 answers
2. 792 views
The bases of trapezoid $ABCD$ are $\overline{AB}$ and $\overline{CD}$. We are given that $CD = 8$, $AD = BC = 7$, and $BD = 9$.
1. 1 answer
2. 929 views
a plane flying due north at 100 m/s is blown bya. 50 m/s strong wind due east. b. what is the plane's resultant velocity?
1. 4 answers
2. 4,003 views
A car with a mass of 980 kg and a speed of v1 = 17.0 m/s approaches an intersection, as shown in the figure(Figure 1) . A 1300
1. 0 answers
2. 917 views
To make a bounce pass, a player throws a 0.60-kg basketball toward the floor. The ball hits the floor with a speed of 5.2 m/s at
1. 1 answer
2. 2,393 views
A 55-kg person walks due north with a speed of 1.1 m/s, and her 7.0-kg dog runs directly toward her, moving due south, with a
1. 1 answer
2. 535 views
The resilin in the body of a flea has a force constant of about 28 kg, and when the flea its jumping legs, the resilin
1. 0 answers
2. 763 views
A skateboarder at a skate park rides along the path shown in (Figure 1) .a=2.7 m and b=1.0mPart A If the speed of the
1. 1 answer
2. 2,539 views
Two springs, with force constants k1=175N/m and k2=270N/m, are connected in seriesWhen a mass m=0.50kg is attached to the
1. 1 answer
2. 8,196 views
During an episode of turbulence in an airplane you feel 180 N heavier than usual.Part A If your mass is 86 kg, what are the
1. 1 answer
2. 596 views
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 17 m/s
1. 1 answer
2. 4,331 views
A soccer ball is kicked with a speed of 16.7 m/s at an angle of 45.0 ∘ above the horizontal.If the ball lands at the same
1. 1 answer
2. 881 views
A man travels 600km partly by train and partly by car.If he covers 120km by train and rest by car ; it takes him 8 hours.But if
1. 2 answers
2. 966 views
2 men and 5 boys can do a piece of work in 4 days, while 4 men and 4 boys can do it in 3 days.How long it would take one man
1. 2 answers
2. 575 views
The ball game took in $1,920 one Saturday. The number of $12 adult tickets was 15 more than twice the number of $5 child
1. 1 answer
2. 560 views
Julie went to the post office and bought both $0.49 stamps and $0.34 postcards for her office's bills. She spent $62.60. The
1. 2 answers
2. 835 views
what continent lies between 20 and 60 degress north lattitude and between 160 and 50 degrees west longtitude
1. 1 answer
2. 957 views
Determine the rate percent per annum if Rs6250 amounts to Rs6760 in six months interest being compounded quarterly.
1. 1 answer
2. 600 views
james decided to paint his bedroom.his bedroom wall are 5 metres long and 3 metres high.if 6 metres of paint can cover 10 square
1. 3 answers
2. 758 views
20% of 200 is what number?5% of what number is 8.5? What percent of 400 is 60?
1. 1 answer
2. 405 views
a steamboat travels 9 km faster than a freighter. The steamboat travels 147 km/in the same time the freighter travels 120 km/fin
1. 1 answer
2. 814 views
a book accidentally falls from a shelf 4.2 m high.a librarian is standing nearby and moves .80m,starting from rest, to catch the
1. 2 answers
2. 805 views
A graduated tube, sealed at the upper end has a mercury leveling bulb connected to the lower end. the gas volume is 25.ml, when
1. 3 answers
2. 1,144 views
marsha is 10 years older than john, who is 16 years old ? how old is marsha?
1. 1 answer
2. 1,603 views
A student mixes four reagents together, thinking that the solutions will neutralize each other. The solutions mixed together are
1. 1 answer
2. 703 views
"A 3.5 kg monket is suspended motionless 35 meter above the ground by holding two vines (a vertical vine and a diagonal vine)"We
1. 1 answer
2. 484 views
The problem propmpts us with the info:"Two friends play with a card-board box on a grassy hill side. The boy in the box has a
1. 0 answers
2. 562 views
The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−A/r^m+B/r^nDerive and expression for the stiffness
1. 2 answers
2. 533 views
brenda is making lemonade and needs 1 2/3 cups of lemonade concentrate for each batch. She wants to make 4 1/2 batches of
1. 1 answer
2. 506 views
A giant bull running at 15 m/s slows at a rate of 2.4 meters per second per second. How long does it take it to stop?
1. 0 answers
2. 332 views
A bear spies some honey and takes off from rest, accelerating at a rate of 2.8 m/s^2. If the honey is 20m away, How fast will
1. 1 answer
2. 713 views
In "The Maori: Genealogies and Origins in New Zealand,” which evidence best helps the reader infer that the Maori people live
1. 3 answers
2. 2,687 views
I have two kinds of candy,one which is selling at P8.00 per kilo and other at P6.00 per kilo. How many kilos of the P6.00 candy
1. 1 answer
2. 516 views
Given the position function, s of t equals t cubed divided by 3 minus 12 times t squared divided by 2 plus 36 times t, between t
1. 2 answers
2. 2,270 views
The side length of a rectangular box with a square base is increasing at the rate of 2 ft/sec, while the height is decreasing at
1. 2 answers
2. 2,162 views
A water tank has the shape of an inverted right circular cone with base radius 3 meters and height 6 meters. Water is being
1. 1 answer
2. 3,645 views
How many milliliters of 0.748 M Mg(NO3)2 contain 1.700 g of Mg(NO3)2
1. 1 answer
2. 426 views
which is the main climate in cyprus 1. tropical and dry 2. continental cool summer 3 mediterranean 4 humid subtropical
1. 3 answers
2. 1,475 views
Calculate the amount of heat required to raise the temperature of a 39g sample of water from 6∘C to 23∘C.
1. 1 answer
2. 748 views
A ship leaves England for the Strait of Magellan. It is traveling at a constant speed of eight knots and takes 41 days to reach
1. 2 answers
2. 595 views
Convert these dates to BP dates (using 1950 as "the present.")1843 ± 50 years BC
1. 0 answers
2. 545 views
the ratio of the length of the corresponding side of two regular polygons is 3:4. the are of the larger polygon is 320m^2. what
1. 1 answer
2. 869 views
alyssa has saved 26 quarters from washing cars. how many cents does alyssa have?
1. 3 answers
2. 800 views
Joe starts a gym. In the first year, 300 people join. If the membership grows at an annual rate of 4%, how many members will
1. 1 answer
2. 451 views
arthur wants to model 758 using the fewest blocks possible. how many tens should he use?A. 8 B.5 C.7 D.4
1. 1 answer
2. 398 views
arthur wants to model 758 using the fewest blocks possible. how many tens should he use?A. 8 B.5 C.7 D.4
1. 1 answer
2. 425 views
directions: answer the questions using the double object pronouns.example quien te compro esos zapatos? mi tio is the person
1. 1 answer
2. 736 views
quien le recomendo ese plato? su tioSu tio se lo recomendo. is the answer i first did. Mi tio me lo recomendo was the second. i
1. 2 answers
2. 626 views
A motorboat left a harbor and traveled to an island at an average rate of 18 knots. The average speed on the return trip was 10
1. 2 answers
2. 1,361 views
A boat is moving 24.4m/s, 35 degrees North of East against the 10m/s water current that flows towards south. What would be the
1. 1 answer
2. 529 views
predict the score in statistics for a student whose score in mathematics is 30
1. 1 answer
2. 369 views
a 0.0500 mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 x 10^2g H2O. If the formula weight
1. 1 answer
2. 3,251 views
Do this sentence is direct or indirect je vais voir mes cousins
1. 1 answer
2. 542 views
What are the principles behind seatbelts and air bags that make passengers safer in a collision?
1. 0 answers
2. 369 views
If a motorboat travels 25km/h towards the sea, down a river whose velocity is 4km/h what is the boats velocity related to the
1. 1 answer
2. 560 views
Canadian geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, traveling at
1. 1 answer
2. 7,339 views
A canoe has a velocity of 0.410m/s southeast relative to the earth. The canoe is on a river that is flowing at 0.510m/s east
1. 2 answers
2. 951 views
Acetic acid (CH3CO2H) is a weak acid. As a result, a solution of sodium acetate (NaCH3CO2) will be _____.
1. 1 answer
2. 911 views
Match the question with the letter of the appropriate answer pourquoi est - CE que tu e' tudies le francais
1. 2 answers
2. 563 views
powers and exponents
1. 1 answer
2. 307 views
In the brain, most excitatory communication in synapses occurs by way of glutamate and most inhibitory communication occurs by
1. 2 answers
2. 859 views
(3x^2-2x-1) - (5x^2+4x+2)
1. 1 answer
2. 307 views
what is a data
1. 1 answer
2. 318 views
finding the average
1. 1 answer
2. 246 views
finding the mean
1. 1 answer
2. 263 views
evaluate the expressions below and leave them in radical form.1. sin(pie symbol/6)csc(pie symbol/6) 2. sec(pie symbol/3)cos(pie
1. 1 answer
2. 639 views
A store mixes kenyan coffee worht $12 per kilogram and turkish coffee worth $16 per kilogram the mixture is to sell for $14 per
1. 1 answer
2. 588 views
what organism is a porkaryotic cell?
1. 1 answer
2. 950 views
how much energy would it take to melt 250kg of lead assuming it starts at 30 degrees centigrade.
1. 0 answers
2. 320 views
Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the
1. 0 answers
2. 1,063 views
Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the
1. 1 answer
2. 560 views
Write your answer using only positive exponents.30u^-15/34u^-16
1. 1 answer
2. 402 views
what is a millogram
1. 1 answer
2. 655 views
Draw and label the following: segment AB intersects segment CD at point M. M is the midpoint of both segments. If AM = x2 + 8x +
1. 1 answer
2. 713 views
three pies are cut into sixths .how many pieces will there be
1. 1 answer
2. 1,053 views
Determine the electron geometry, molecular geometry, and idealized bond angles for each of the following molecules. In which
1. 1 answer
2. 4,277 views
A person has invested $6000 . Part of the money is invested at 3% and the remaining amout at 4% . The annual income from the two
1. 1 answer
2. 538 views
the magnetic force on a straight 0.15m segment of wire carrying a current of 4.5 A is 1.0 N. What is the magnitude of the
1. 1 answer
2. 3,981 views
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for
1. 1 answer
2. 318 views
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for
1. 1 answer
2. 338 views
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for
1. 1 answer
2. 369 views
y= 4th root (x^2+1)/(x^2-1)
1. 3 answers
2. 1,052 views
The vertices of a triangle are listed below.H(-2,4), I(22,4), J(10,-1) Which of the following correctly classifies the triangle?
1. 2 answers
2. 1,061 views
what will be the boiling point 54.5 grams of aluminum sulfate dissolved in 805 grams H2O
1. 1 answer
2. 528 views
how many grams of sodium phosphate were dissolved in 382 grams of water in a 6.0 m solution
1. 1 answer
2. 442 views
find the probability p(-1.14 < z < 1.01)using the normal standard distribution
1. 1 answer
2. 2,607 views
your best friend ate 3/8 of a pizza from 4 diffrent pizza.how much pizza did he ate?
1. 1 answer
2. 371 views
true or false . refraction always involves a change in the speed and direction of a wavewat is required in order for diffraction
1. 0 answers
2. 507 views
whats the prime factorization of 62
1. 2 answers
2. 555 views
calculate the mass of kool aid required to prepare 200.0 ml of 0.30 M kool aid
1. 1 answer
2. 553 views
Solve for X0.0421=0.0015-x/0.025+1/2 i'm lost
1. 1 answer
2. 430 views
A ball rolls off a platform that is 5 meters above the ground. The ball's horizontal velocity as it leaves the platform is 4.8
1. 0 answers
2. 958 views
Suppose you dump a 5-lb sack of sugar into Bellingham Bay.Assume the sugar disperses uniformly throughout all of the world’s
1. 1 answer
2. 508 views
Suppose you dump a 5-lb sack of sugar into Bellingham Bay.Assume the sugar disperses uniformly throughout all of the world’s
1. 1 answer
2. 583 views

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