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Anne
Questions (455)
Scientists observe a newly established population of sexually reproducing plants growing on the shore of a small island. An
0 answers
1,300 views
Briefly describe Poe’s requirements for the short story genre.
2 answers
2,228 views
how would you prepare 175.0ml of .150 m agno3 solution starting with pure agno3
1 answer
740 views
6. The following words share a denotative meaning. Which one has a negative connotation? (1 point)
confident certain decisive
30 answers
7,910 views
A tall strongman of mass m = 93 kg stands upon a scale while at the same time pushing on the ceiling in a small room.If the
0 answers
477 views
A mass with M = 122kg is attached to the bottom of a block-and-tackle pulley system.How much tension force is needed to keep the
1 answer
427 views
A car travels at 64 mi/h when the brakes are suddenly applied. Consider how the tires of a moving car come in contact with the
0 answers
748 views
An elevator is moving at 1.1 m/s as it approaches its destination floor from below. When the elevator is a distance h from its
1 answer
392 views
Determine the polar form of the complex number 3 - 2i. Express the angle theta in degrees, where 0 < theta < 360°, and round
1 answer
826 views
Explain how separation of powers and checks and balances reflect the founders' views of human nature and power in government.
Dis
5 answers
794 views
Find the polar coordinates of (8, –8) for r > 0.
1 answer
544 views
1. Find the polar coordinates of (8, –8) for r > 0.
2.Find the rectangular coordinates of (9, 150°)
2 answers
674 views
solve the inequality and write the solution set using interval notation.
4x+7 <2x+5 _____ -3
0 answers
529 views
Calculate the volume of water, in milliliters, that would be displaced by a piece of gold weighing 18.2g.
1 answer
517 views
Calculate the volume of water, in milliliters, that would be displaced by a piece of gold weighing 18.2g.
1 answer
779 views
Calculate the volume of water, in milliliters, that would be displaced by a piece of gold weighing 18.2g.
1 answer
562 views
The car in the figure below travels a distance of 745 m along the track, and the driver finds that she has traveled through an
0 answers
367 views
The car in the figure below travels a distance of 745 m along the track, and the driver finds that she has traveled through an
0 answers
448 views
Is 50 ml of a 50 mM solution of NaCl the same concentration as 100 ml of a 100 mM solution of NaCl?
1 answer
438 views
Is this true? Explain.
To make a 100 osmolar solution of magnesium chloride, 60g of the salt are placed in a liter of water.
1 answer
656 views
TWO examples of each of the following:
two sided limits and theorem on limits (SUM, difference, product, quotient, nth root, ).
0 answers
558 views
Hi! Just want to ask if 1/x-1 - x/x-1 equal to 1? That is what I got when I solved it. Thanks.
1 answer
268 views
(a^2 - 4a)/(a^2-a-6) minus (a-6)/a^2-a-6)
1 answer
270 views
Kindly solve this and give its restriction.
(5-xy)/(9z) - (14+8xy)/(9z)
1 answer
533 views
Simplify the rational expression and write the restriction for the simplified rational expression.
x^3 - 8
2 answers
611 views
The perimeter of a heptagon is 9a^2s ft. The perimeter of a triangle is 6a^6b^2s ft. Find the ratio of the perimeter of the
1 answer
430 views
How did rum play a role in the American Revolution?
1 answer
848 views
A rectangular sandbox has a length of 60 inches, a width of 40 inches, and a depth of 6 inches. What is the volume in cubic
1 answer
879 views
What does 1.5 fold dilution and 2.5 fold dilution mean?
1 answer
1,011 views
i am a four digit numeral number between 3000 and 4000.My ones digit is 3 greater than my thousands digit.The two other digits
4 answers
747 views
I am number greater than 70 000 but less than 90 000.My ones digit is the only even prime number.My tens digit id the same as my
3 answers
790 views
What is the least number that can be formed using 4 9 2 1 3 0 6?
1 answer
288 views
What is the greatest 7 digit number without repeating any digit?
3 answers
428 views
i am a 4 digit number between 3000 and 4000.My ones digit is twice my thousands digit.My hundreds digit is the same as my ones
1 answer
702 views
would "the only heroic thing is the sky" be personification?
1 answer
327 views
Please prepare the following journal entries. Indicate which account should be debited and which account should be credited
0 answers
665 views
A 1.00-L solution saturated at 25°C with calcium oxalate (CaC2O4) contains 0.0061 g of CaC2O4. The solubility constant (Ksp)
1 answer
1,488 views
How would you find the pH of a solution prepared by mixing 50 mL of 0.125 M KOH with o.050 L of 0.125 M HCl?
1 answer
1,254 views
A concave mirror has a focal length of 27.0 cm. The distance between an object and its image is 46.5 cm. Find the object and
0 answers
629 views
The average intensity of light emerging from a polarizing sheet is 0.807 W/m2, and the average intensity of the horizontally
1 answer
1,415 views
The average of two numbers is 34. The first number is three times the second number. what are the two numbers?
1 answer
726 views
Jillian must average at least 90 on two quiz scores before she can move to the next skill level. Jillian got a 92 on her first
1 answer
531 views
A 30.0 kg box is being pulled across a carpeted floor by a horizontal force of 230 N., against a friction force of 210 N.
1 answer
2,405 views
A loud speaker of mass 24.0 kg is suspended a distance of h = 2.00 m below the ceiling by two cables that make equal angles with
2 answers
836 views
Can you label all the functional groups of the Sucrose Molecule?
2 answers
1,363 views
Six marbles are chosen without replacement from a box containing 10 red, 8 blue, and 3 yellow marbles. Let X be the number of
0 answers
410 views
7) Suppose that you roll a pair of standard 6-sided dice a total of 42 times. What is the probability that you will get a sum of
1 answer
1,024 views
during a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no
1 answer
718 views
Convert the given exponential function to the form indicated. Round all coefficients to four significant digits.
f(x) = 9e^3x;
1 answer
1,197 views
Solve variation problem
if m varies jointly as z and p, and m=10 when z=2 and p=7.5, find m when z=5 and p=7
1 answer
1,069 views
A cylindrical copper cable carries a current of 1170 A. There is a potential difference of 1.60 10-2 V between two points on the
1 answer
622 views
A(n) 78-Ù resistor and a 68-Ù resistor are connected in series across a battery. The voltage across the 78-Ù resistor is 25
1 answer
526 views
The wire in the figure below carries a current of 12 A. Suppose that a second long, straight wire is placed right next to this
0 answers
816 views
The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides. All four wires are much
2 answers
1,287 views
A horizontal wire of length 0.48 m, carrying a current of 6.8 A, is placed in a uniform external magnetic field. When the wire
0 answers
560 views
Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to 250. Its cost (in
0 answers
1,015 views
The associated exponential model for the value of a deposit after t years is
A(t) = 7000(1 + (0.0394/12))^12t. At the start of
1 answer
547 views
A capacitor is constructed of two concentric conducting cylindrical shells. The radius of the inner cylindrical shell is 2.35
1 answer
882 views
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see
2 answers
1,993 views
In a thin layer chromatography (TLC)experiment,the TLC plate was pre-developed in the development chamber containing the mobile
1 answer
602 views
I have a question on thin layer chromatography (TLC).
My mobile phase (i.e. developing solvent) is a mixture of 2 non-polar
1 answer
603 views
I have 100 feet to surround three sides of a rectangle. What is the largest area that I can enclose?
1 answer
471 views
Three point charges, -6.35 10-9 C, -8.20 10-9 C, and +7.75 10-9 C, are fixed at different positions on a circle. The total
0 answers
891 views
The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at
1 answer
13,522 views
Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2
1 answer
2,440 views
Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2
0 answers
904 views
Two charges, -15 and +4.5 µC, are fixed in place and separated by 2.8 m. At what spot along a line through the charges is the
0 answers
811 views
A foundry releases 6.0 U.S. tons of gas into the atmosphere every day. The gas mixture contains 2.5% sulfur dioxide (SO
2 answers
536 views
A compound of the element A and oxygen has a mole ratio of A:O=2:3. If 8.0 grams of the oxide contains 2.4 grams of the oxygen,
a
2 answers
966 views
how do I solve F = 5/9 (F-32) ?
2 answers
323 views
without graphing, find the vertex, the azis of symemtry, and the maximum value or the minium value.
2 answers
366 views
complete the square to write each function in the form f(x)=a(x-h)^2+k
f(x)=2x^2-20x-3
1 answer
895 views
find the equilibrium point for the demand and supply functions
D(p)=79-8p and S(p)=37+6p, where p is the price, in dollars, D(p)
0 answers
864 views
find a quadratic function that fits the set of data points.
(1,4), (-1.6), (-2,16) what did i do wrong, i got -2x^2-x+7
1 answer
623 views
find all x-intercepts of the given function f. f(x)=3x+10�ã(x) -8
1 answer
402 views
simplify
x^5-x^3+x^2-1-(x^3-1)(x+1)^2/(x^2-1)^2
1 answer
381 views
using 100 ft of fence material and building a regular octagon garden, what is the area of the garden?
1 answer
394 views
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is
0 answers
712 views
A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.08 s. How much longer should
2 answers
2,613 views
A 63.0-kg bungee jumper is standing on a tall platform (h0 = 45.8 m). The bungee cord has an unstrained length of L0 = 9.18 m
1 answer
1,101 views
A 63.0-kg bungee jumper is standing on a tall platform (h0 = 45.8 m). The bungee cord has an unstrained length of L0 = 9.18 m
0 answers
1,229 views
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is
1 answer
1,706 views
A bungee jumper, whose mass is 83 kg, jumps from a tall platform. After reaching his lowest point, he continues to oscillate up
0 answers
1,209 views
In 0.780 s, a 6.50-kg block is pulled through a distance of 3.85 m on a frictionless horizontal surface, starting from rest. The
0 answers
1,098 views
1) A strong search strategy for a search engine would include which of the following?
A. Using quotation marks, hyphens, and
2 answers
531 views
in sentence form using one variable and one equation/inequality solve:
sue makes $15/hour tutoring and averages $10/hour
1 answer
404 views
Assume that the earth is a uniform sphere and that its path around the sun is circular.
a) Calculate the kinetic energy that the
0 answers
628 views
The drawing shows a model for the motion of the human forearm in throwing a dart. Because of the force applied by the triceps
1 answer
1,276 views
A thin uniform rod is rotating at an angular velocity of 6.7 rad/s about an axis that is perpendicular to the rod at its center.
0 answers
1,015 views
A student placed 10 g of Mg(OH)2 into a flask and added 500ml of water. The student took 100 ml of the Mg(OH)2 solution and
1 answer
658 views
A car is being driven along a country road on a dark and rainy night at a speed of 20 m/s. The section of road is horizontal and
4 answers
2,031 views
A dam blocks the passage of a river and generates electricity. Approximately 57,000 kg of water fall each second through a
1 answer
724 views
A dam blocks the passage of a river and generates electricity. Approximately 57,000 kg of water fall each second through a
2 answers
2,687 views
While you sleep, your body is using energy at a rate of 77 W. How many food calories are used during an eight hour period? One
1 answer
4,048 views
Complete the following identity secx-1/secx=? I have four multiple choice options and can't seem to work my way to either one.
3 answers
767 views
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 x 10^11 m apart. The
1 answer
789 views
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger
0 answers
528 views
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger
0 answers
1,005 views
Could someone help me with this-we learned this today in school but I'm not getting it now that I'm home with my homework-I have
1 answer
1,094 views
2 pumps can fill a water tank in 45 minutes when working together. Alone, the second pump takes 3 times longer than the first to
1 answer
1,580 views
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