Helena
Most popular questions and responses by Helena
Social Studies
1. According to the passage, what can be inferred about how Elizabeth Cady Stanton’s personal qualities affected the women’s suffrage movement? Her enthusiasm gave the movement a set of core beliefs. Her philosophical views provided the movement with a
asked on December 1, 2016 
Science  Check my answers
1. Which of the following statements best defines tides? when waves get bigger because of an approaching storm the rise and fall of ocean water that occurs about every 12.5 hours **** the rise of ocean water that occurs 12 times a day a giant wave that can
asked on April 3, 2014 
6th Grade Science  Help
Which of Earth's spheres has the most mass? 1. atmosphere 2. hydrosphere 3. geosphere 4. biosphere Is it Biosphere?
asked on April 5, 2014 
physics
In 1993, Cuban athlete Javier Sotomayor set the world record for the high jump. the gravitational potential energy associated with Sotomayor's jump was 1970 J. Sotomayor's mass was 82.0 kg. How high did Sotomayor Jump?
asked on March 30, 2015 
Science  Check my answers please (6th grade)
When are tides in Earths oceans the highest? 1. during the moon's waning gibbous phase 2. during the moon's waxing gibbous phase 3. when the moon is at a right angle to the sun 4. When the sun, Earth, and moon are in a line.
asked on April 7, 2014 
Math
In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use both brands. How many people in the survey use brand P and not brand Q? Answer choices: 210 people 420 people 630 people none of
asked on March 27, 2014 
algebra
Translate this sentence into an equation. The product of Helena's age and 9 is 99 . Use the variable h to represent Helena's age.
asked on October 16, 2018 
Chemistry
Mercury(II) sulfide, HgS, is practically insoluble in pure water. Its solubility at 25 degrees C is probably no more than 3×10^−25 g/L. Of the following quantities of pure water, which is the smallest quantity that could be used to make a saturated
asked on May 2, 2016 
Science  Check my answers please (6th grade)
earth and the moon are kept in their respective orbits due to the influence of ? a) inertia b) gravity c) both inertia and gravity d) neither inertia and gravity Is it c) both inertia and gravity?
asked on April 7, 2014 
physics
A 3.26 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 10.4 N at an angle theta = 29.0° above the horizontal. The coefficient of kinetic friction between the block and the floor is 0.10. What is the speed of the block
asked on December 4, 2010 
maths
using a ruler and a pair of compass only. Construct ABC such that angle ABC=90°,AB=5cm and BC=6cm.Measure AC
asked on February 22, 2017 
Algebra, Trig
Question: A wind turbine has a total height of 50m, with 3 equally spaced blades that are 16m in diameter. 1) Create equations modelling the height of points on the tips of blades One, Two and Three. Graph these three curves on one graph. [Answers: Blade
asked on October 20, 2017 
Chem
Assuming complete dissocaition, what is the pH of 4.93 mg/L BaOH2 solution
asked on February 21, 2014 
Chemistry
how many grams of solid KOH is needed to neutralize 1.00 L of 0.250 M HNO3 solution?
asked on April 18, 2011 
physics
Two blocks are arranged. M1 is on the table and m2 is hanging from the pulley. The pulley can be considered to be massless, and friction is negligible. M1 is four times more massive than M2. If the system is released from rest, how far will M1 travel in
asked on December 4, 2010 
Math
The electrical resistance of a wire waves directly as its length & inversely as the square of its diameter if a wire 30m long and 0.75mm in diameter has a resistance of 25ohms , find the length of a wire of the same material whose resistance is 30ohms
asked on January 29, 2016 
geometry
The circumference of a bowling ball is about 27 inches. Find its volume to the nearest tenth.
asked on March 24, 2015 
Chemestry
What property of paradichlorobenzene may convince you that it is an ingredient in mothballs?
asked on September 29, 2011 
geometry
On July 16, 1882, a massive thunderstorm of Dubuque, Iowa, produced huge hailstones. The diameter of some of the hailstones was 17 inches. Ice weighs about 0.033 pounds/inches cubed. What was the approximate weight of these hailstones to the nearest pound?
asked on March 24, 2015 
chemistry
30 ml of sugar syrup is mixed with water to yield a concentration of 60% sugar solution. What is the volume of the solution? The sugar has a molecular formula of c12h22o11 and a mass of 12g.
asked on December 15, 2013 
Algebra, Trig
The full question: A point on a wheel has an equation y = 10 sin (x  45°) + 20 that models the height as the wheel rotates. Answer the following questions. 1) What is the height if the wheel has rotated 135°? 2) What are the possible values of rotation
asked on October 18, 2017 
Physics Help!
A hockey puck moving at 0.4600 m/s collides with another puck that was at rest. The pucks have equal mass. The first puck is deflected 37.00° to the right and moves off at 0.3700 m/s. Find the speed and direction of the second puck after the collision.
asked on October 25, 2016 
social studies
analogies for bermuda cyprus mediterranean
asked on October 2, 2011 
physics
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to
asked on December 4, 2010 
Math
Given that the quadratic equation x^22xm+1=0 has 2 positive real number roots, a and b, determine the range of the values of m.
asked on May 9, 2017 
geometry
Write a paragraph proof. Given: A is congruent to B. B is congruent to C. and D is perpendicular to C. Prove: A is perpendicular to D im reallllyyy confused pls help me write this out
asked on December 1, 2015 
Physics
A 46−N lithograph is supported by two wires. One wire makes a 28° angle with the vertical and the other makes a 16° angle with the vertical. Find the tension in each wire.
asked on October 16, 2016 
8th grade science :(
How does the sun's gravity influence tides?
asked on November 23, 2013 
physics
Suppose a person metabolizes 2250 kcal/day. a) With a core body temperature of 36.9°C and an ambient temperature of 21.5°C, what is the maximum (Carnot) efficiency with which the person can perform work? b) If the person could work with that efficiency,
asked on December 18, 2012 
physics
Consider a room air conditioner using a Carnot cycle at maximum theoretical efficiency and operating between the temperatures of 19.7°C (indoors) and 28.7°C (outdoors). For each 1.00 J of heat flowing out of the room into the air conditioner a) How much
asked on December 18, 2012 
Physics
a 150N and 80N force act upon an object. the angle between the two forces is 55 degrees. determine the magnitude and direction by trigonometric calculations.
asked on September 28, 2012 
geography
does anyone know what a megacity is and which cities are a megacity and a millionaire city and which are a millionaire city. thankyou!!!
asked on September 12, 2010 
geometry
how do i find the radius of the earth
asked on August 31, 2010 
Language Arts
I have trouble finding the complete subject simple subject complete predicate and the simple predicate please provide examples and maby some tricks to help me remember how to do this
asked on September 14, 2009 
geometry
A cone has a volume of 600 pi inches cubed. Find two possible sets of dimensions for the height and radius of the cone.
asked on March 23, 2015 
math
1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent
asked on May 2, 2014 
Remainder Theorem Help
Use the remainder theorem to find the remainder when P(x) = x^32ax^2+1 is divided by xa1.
asked on May 16, 2017 
History
What role in the world did bismark envisagen for the new germany after 1871?
asked on March 6, 2014

math
It is saying that the whole class had either brown eyes or blonde hair. They are saying out of all the blonde haired students, 1/4 have blonde hair AND brown eyes. and it is saying out of all brown eyed students, 1/3 have brown eyes and blonde hair.
posted on March 12, 2019 
math
2 + 1 = 5/6 lbs. 5/6 lbs. + 5/6 lbs. = 10/6 lbs. = 5/3 lbs. 4 + 2 = 5/3 lbs.
posted on December 9, 2018 
History
isn't it B
posted on April 20, 2017 
Art
Ya! Castiel is right for Unit 4 Lesson 4
posted on December 1, 2016 
Math
42*15/100 = 42*3/20 = 6.30
posted on February 29, 2016 
Math
Sariqs last four test scores in history were 87,85,91,and 88. What scores on his next test will give him an average of 90 or above? Write and solve an inequality.
posted on August 27, 2015 
Math
No. You can construct many trapazoids with the same area with multiple side lengths, thus as perimeter is the addition of the outer side lengths of a figure, if two trapazoids have different side lengths but the same area, most of the time, the different
posted on November 30, 2014 
8th grade science :(
can you please explain to me in more detail please? Thank you
posted on November 23, 2013 
8th grade science :(
because.....?
posted on November 23, 2013 
8th grade science :(
can someone please help me with this question and instead of just giving me the answer can someone please also help me by explaining this to me in full sentences? Thank you guys :D
posted on November 23, 2013 
College Accounting
apr. 12 no entry no entry 0
posted on January 21, 2013 
Math
pls tell me how to solve for p
posted on January 23, 2012