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Questions (81)
Periodic Table Introduction Quick Check can any1 please give answers
Where do you find the atoms with the largest atomic radius
1 answer
268 views
can anyone give answers for Molecules and Structures Quick Check
1. What type of bonds are shown in this diagram? A diagram shows
3 answers
2,499 views
Molecules and Structures Quick Check answers pls
6 answers
2,576 views
Molecules and Structures Quick Check can anyone help
1. (1 point) ionic bonds ionic bonds hydrogen bonds hydrogen bonds covalent
1 answer
412 views
The points (−1, −2), B(7, 2) and C(k, 4), where k is a constant, are the vertices of
∆ABC. Angle ABC is a right angle
1 answer
181 views
Four men and three women are waiting to be interviewed for jobs. If they are all selected in random order, find the probability
1 answer
603 views
Arrange arsenic, cesium, florine, helium, phosphorus, stratium in increasing ionization energy order for 1st ionization energy
0 answers
240 views
had a sray dog not given them away
1 answer
148 views
CALCULATE THE RESULTANT OF EIGHT COPLANAR FORCES OF VALUES 10N,12N,14N,13N,17N, 14N,12N,17N ACTING ON AN OBJECT AT O.
1 answer
477 views
in a competition, seven points were awarded for every game won and 3 points deducted for lost. Adhiambo attempted 20 games and
1 answer
458 views
D is partly constant and partly varies with y.when y=6,x=9.Find the relationship between xandy.Find x when y=4.
2 answers
470 views
A screw jack has 90 threads tothe metre. the effort is applied at the end of an arm 20cm long whatforce must be applied to lift
5 answers
1,596 views
6 YEARS AGO, JOE WAS 2 YEARS MORE THAN 5 TIMES AS OLD AS HIS DAUGHTER. SIX YEAS FROM NOW, HE WILL BE 11 YEARS MORE THAN TWICE AS
1 answer
670 views
Solving using 2 equations in two variable: Jason bought a total of 7 postcards for 1.80. If small cost 20 cents and the large
3 answers
2,309 views
How many calories of heat energy are required to melt 20 grams of ice at 0 °C?
Answer: _____ calories How many calories of heat
2 answers
2,505 views
ARITHMATIC PROGRESSION
1 answer
325 views
1.
If $x <> (sqrt xy)/(|x-y|), find 4 <> (9 <> 1) to the nearest tenth. <>=diamond This is a function, where the "diamond"
2 answers
500 views
which style period would electronics have the strongest impact on?
A)Classical B)Romantic C)Twentieth century D)Baroque
8 answers
2,760 views
In about (500 words)write a composition ending with "when i woke up i realised that it was only a dream"
1 answer
603 views
Find the curved and total surface area of a right circular cone,of base radius 8cm and height 10cm
3 answers
814 views
Suppose systolic blood pressure (the higher of the two blood pressure readings) of a large group of individuals is normally
1 answer
732 views
The forty and the 9th term of an AP is -3 and 12 respectively. Find the common difference and some of the frist 7th term
2 answers
1,330 views
It took 20 seconds for a certain
volume of oxygen to effuse through an orifice(small opening) at 298K. How long will it take the
1 answer
540 views
'show that a 2.5m length of wire with cross section area 0f 1.0mm and resistance of 0.75ohms has a resistivity o f 3.0 ×10-7'
1 answer
497 views
A STATE LOTTERY IS DESIGNED SO THAT A PLAYER CHOOSES FIVE NUMBERS FROM 1 TO 30 ON ONE LOTTERY TICKET. WHAT IS THE PROBABILITY
1 answer
1,417 views
1) Two boats leave the same port at the same time. One travels at a speed of 27 mi/h in the direction N 50° E and the other
3 answers
6,898 views
Two boats leave the same port at the same time. One travels at a speed of 31 mi/h in the direction N 50° E and the other
2 answers
1,430 views
A communications tower is located at the top of a steep hill, as shown. The angle of inclination of the hill is 58°. A guy wire
2 answers
1,357 views
revise the following paragraph, improving it without changing its overall meaning. pay particular attention to any subject- verb
1 answer
719 views
A heat transfer of 9.5 x 10^5 J is required to convert a block of ice at -15°C to water at 15°C. What is the mass of the block
1 answer
1,938 views
Back in the stage coach era, iron rims were placed on wooden wheels by shrink-fitting. Suppose that the wheel has a diameter of
0 answers
420 views
One piston of a hydraulic lift holds 1.40*10^3 kg. The other holds an ice block (density= 917 kg/m^3) that is 0.076 m thick.
0 answers
652 views
A 1.47 x 10^6 kg steel hull has a base that is 2.5 x 10^3 m^2 in area. If it is placed in sea water (density= 1025 kg/m^3), how
2 answers
1,396 views
Calculate the pH of a solution at 25.0 °C that contains 1.94 × 10-10 M hydronium ions.
1 answer
6,310 views
If 15.0g of KCL is added to 100.0g of water at 30.0 C, how much more must be added to saturate the solution
2 answers
1,159 views
A company sells cardboard that is thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is
1 answer
431 views
Calculate the internal energy of 25.0 g of low-density oxygen gas (O2) at a temperature of 255 K.
0 answers
340 views
A down jacket has a surface area of 0.82 m2 and is filled with a 3.8 cm thick layer of down, which has a thermal conductivity of
1 answer
608 views
The sun is 1.5 1011 m from the earth.
(a) Over what surface area is solar radiation spread at this distance? (b) What is the
1 answer
2,182 views
A pot containing 1.09 liter of water, initially at 18°C, is placed on a 1101 W electric heating element.
(a) How much heat must
1 answer
1,280 views
A 55.0 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 318 g of water, initially at 18.2°C. What is
1 answer
2,121 views
How much energy expressed in units of food Calories (that is, kilocalories) is required to operate a 100 W light bulb for 14.70
1 answer
488 views
(a) How much heat is required to raise by 12.40°C the temperature of 1.4 kg of water.
(b) How much heat is required to raise by
1 answer
554 views
Calculate the force required to remove a suction cup of area 2.60 cm2 from the surface to which it is stuck.
1 answer
1,061 views
A man doing a slow push-up is approximately in static equilibrium. His body is horizontal, with his weight of 755 N supported by
0 answers
433 views
A 85.0 N weight is held in the hand. The upper arm makes an angle of 29.0° with the vertical, and the lower arm is 13.0° above
0 answers
623 views
A newly planted tree is supported against the wind by a rope tied to a stake in the ground, as shown in the figure below. The
1 answer
850 views
An artist designs a mobile of light horizontal rods connected by vertical strings and supporting various shaped weights (see
2 answers
1,098 views
A merry-go-round starts from rest and accelerates uniformly over 26.0 s to a final angular velocity of 5.50 rev/min.
1 answer
547 views
WHAT IS THE BASE AREA THE BOX? L=8 IN. W=3 1/2IN AND H= 13IN.
1 answer
402 views
How does Prohibition on alcohol during the 1900's affect today life
5 answers
392 views
evaluate the trigonometric function of the given quadrantal angle.
tan 1400° cos 9π cos 13π/2 sin (-17π)
1 answer
941 views
How many moles of oxygen combined with aluminum to form 3.8 moles of AL2O3?
1 answer
415 views
IN MY KIDS HOMEWORK THE NUMBER 3 IS TO THE LEFT AND IT ASKS TO PLACE COUNTERS IN THE FIVE FRAME TO SHOW THE NUMBER. WHAT IS A
1 answer
371 views
Match the function f ( x ) evaluated at each value of x to the correct function value if:
f (x) = –2x + 5
1 answer
415 views
A wood block falls from a shelf and hits the ground after 1.2 s. The mass of the block is .25kg. The block hits the floor and
1 answer
598 views
A RHOMBUS HAS ONE ANGLE THAT MEASURES 40 DEGREES AND A PERIMETER OF 100 FEET WHAT ARE THE MEASURES OF THE REMAINING ANGLES
1 answer
479 views
FIND VERTICAL ASSYMPTOTE...
X^3-1 _____ X-X^2
1 answer
300 views
A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the
2 answers
3,327 views
A fan blade is rotating with a constant angular acceleration of +13.7 rad/s2. At what point on the blade, as measured from the
1 answer
963 views
AC=12, AB=34, WHAT DOES CB=
1 answer
336 views
1/5X24
2 answers
317 views
Give an example of a subset and a proper subset. Explain the difference between a subset and proper subset. plz help
2 answers
702 views
Give an example of a subset and a proper subset. Explain the difference between a subset and proper subset.
1 answer
691 views
How has internet marketing come into play with the success of an E-Commerce site?
0 answers
401 views
What risks are inherent in closing a story like "Seperating" by John Updike with a question such as "Why?" Can a story about a
2 answers
562 views
At least 7 slides and no more than 15 slides with
Details: This is a Capstone Project where you will utilize all the information
2 answers
584 views
The need to be recognized by others with applause or an award is what kind of need?
a. Security, b. esteem, c.physical
2 answers
522 views
IN ORDER TO MAKE EXPERIMENTS MORE ACCURATE WE TAKE MEASURMENTS'COMPLETE THE TABLE BELOW USING YOU'R KNOWLEGE OF SCIENTIFIC
1 answer
494 views
ASSUME THAT S/A= 4.5, D/A= 4.5, N/E= .80 AND A=D+E SLOVE FOR N/S.
3 answers
402 views
SALLYS AGE IS 12 YEARS PLUS HALF HER AGE. HOW OLD IS SHE?
5 answers
581 views
How do ethics affect your chosen level of significance?
I am not sure if I understand what the instructor is wanting can some
1 answer
583 views
Table Sugar can react with water to form 2 other compounds, glucose & fructose. But, when you add sugar to a glass of water the
3 answers
1,109 views
60 CBM IS WORTH 5000 DOLLARS, HOW MUCH IS 0.18 CBM WORTH DOLLAR WISE? I NEED A FORMULA FOR THAT
1 answer
426 views
I have three questions:
1. What is the remainder when 27 to the power of 1001 is divided by 13? 2. What is the remainder of when
2 answers
652 views
why is this not correct
30y = x^2 - 14x + 13 - 13 30y - 13 = x^2 - 14x _________ ___________ -14 -14 x = sqrt 30y-13 _______ -14
1 answer
466 views
x^2 - 14 x + 13 = 30 y
x^2 - 14 x = 30 y - 13 x^2 - 14 x + 49 = 30 y + 36 **** (x-7)^2 = 30 y + 36 x - 7 = +/- sqrt (30 y + 36) x
3 answers
674 views
HOW TO CREATE A TABLE IN HTML?
1 answer
558 views
Your manager at work has advised you that you and two of your coworkers will be visiting a branch of your company in another
2 answers
670 views
r^2+8r=48
First bring the 48 to the other side of the equation r^2+8r-48=0 Now you can use the quadratic formula.
0 answers
499 views
x+y= 30
4x+2y=74 y+ What does the y+ signify? Are you supposed to solve for y? Try doubling the first equation, giving you 2x +
0 answers
602 views