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Katie

Questions (1,201)

if measure of angle SUT=3x+6 and measure of angle RUS=5x-4, find measure of angle SUT
1. 3 answers
2. 1,514 views
Lipids:Not a polymer because _ __x's energy than carbs Saturated= Unsaturated= Nucleic Acids: RNA= DNA= Carbohydrates: Building
1. 0 answers
2. 737 views
How many amino acids are there in protien
1. 2 answers
2. 599 views
A GPS satellite orbits at an altitude of 2.0 x 10^7 m and a speed of 3.9 x 10^3 m/s, Earth’s radius is 6.4 x 10^6 m, and a
1. 1 answer
2. 870 views
How would I write 2 inequalities that describe in basketball that 2 points = field goal and 1 point = free throw and I have
1. 0 answers
2. 467 views
The kinetic energy of a proton is half its internal energy. What is the proton's speed?Kinetic energy is (Yu - 1) (mp) (c)^2 =
1. 2 answers
2. 1,040 views
Number Sense How can you use 4 x 7 to find 8 x 7? Find the product.
1. 2 answers
2. 346 views
Find x and dx using trigonometric substitution of(integral) square root of 4x^2 - 9 divide by x x = 2/3 sec x dx = 2/3 tan x dx
1. 3 answers
2. 605 views
Integrate using integration by parts(integral) (5-x) e^3x u = 5-x du = -dx dv = e^3x v = 3e^3x I wonder if this is right so far.
1. 6 answers
2. 631 views
11 4n + B ----> ___?___ + He 2 7 8 A. Li or B. Li 235 4 Pa ------> ___?___ + He 91 2 A.230 or B. 231 Ac Ac
1. 0 answers
2. 409 views
the expression a^2(b^3)/a^-4(b^2) is equivalent to1 a^6/b^5 2. b^5/a^6 3. a^2/b 4. a^-2(b^-1)
1. 0 answers
2. 332 views
A car and a bus are moving down a hill, the bus is 3X heavier than the car and the speed of the car is 3X faster than the bus.
1. 1 answer
2. 448 views
Who originally designed the planetary model of an atom?Bohr or Rutherford
1. 1 answer
2. 417 views
Maxwell's equations proved thata. Light is a mechanical phenomena b. Light is a chemical phenomena c. Light is a phenomenal
1. 0 answers
2. 479 views
My teacher for my english class at school marked off for these questions and said I could redo it and turn it in tomorrow. I am
1. 1 answer
2. 504 views
If a sphere and paper are dropped from 10 meters and the sphere hit the ground in 1.4 seconds and the paper hit in 2 seconds,
1. 0 answers
2. 847 views
What is the Mass number and Atomic number for the element B (Boron)? It is for a homework sheet and I am blanked out. I forgot
1. 1 answer
2. 509 views
If a sphere and paper are dropped from 10 meters and the sphere hit the ground in 1.4 seconds and the paper hit in 2 seconds,
1. 0 answers
2. 438 views
If a sphere and paper are dropped from 10 meters and the sphere hit the ground in 1.4 seconds and the paper hit in 2 seconds,
1. 0 answers
2. 410 views
Pretend the hot brick extracts heat from the cold brick and becomes hotter. Would this violate the Law of Conservation of
1. 0 answers
2. 379 views
If a sphere and paper are dropped from 10 meters and the sphere hit the ground in 1.4 seconds and the paper hit in 2 seconds,
1. 0 answers
2. 442 views
A rapidly changing magnetic field in any region of space induces a rapidly changing A.Magnetic field or B.Electric field? which
1. 1 answer
2. 1,201 views
If your own mass is 70kg and the mass of a building is 4x 10^6kg and the distance between you and the building is 1m, in
1. 1 answer
2. 471 views
A car weighing one ton is moving at 50km/hr and a truck weighing two tons is moving at 25km/hr. Both are moving in the opposite
1. 1 answer
2. 895 views
While stationary on a boat you are measuring the time it takes for the coin to leave your hand and hit the water.In order to
1. 1 answer
2. 699 views
If one drops a sphere and a piece of paper from the same height of 10 meters(H=10m) and the sphere hits the ground in 1.4 secs
1. 1 answer
2. 491 views
What does it mean to be a successful organism? Is bacteria the most successful organisms on earth?
1. 1 answer
2. 503 views
Suppose a planet is discovered that has the same total mass as the Earth, but half its radius. Calculate the acceleration due to
1. 0 answers
2. 1,177 views
The range of human hearing extends from approxmately 20 HZ to 20 000 HZ. Find the wavelenghts of these extremes when the speed
1. 1 answer
2. 690 views
what religion was part of the Song Dynasty?
1. 1 answer
2. 1,056 views
A 60 mm mortar round is capable of being launched at 540 km/hr. If a target is located at a distance of 0.6 km and the mortar
1. 0 answers
2. 555 views
A 2.50 L balloon is filled with helium gas at sea level, 1.00 atm and 32 degrees celsius. The balloon is released and it rises
1. 2 answers
2. 1,562 views
Given Pr(a)= 0.9, Pr(C|A)= 0.78 and Pr(D|B) = 0.38. finda. (A|C) = b. (A|D) = c. (B|C) = d. (B|D) =
1. 0 answers
2. 824 views
A hydrogen atom has a diameter of about10.1 nm. Express this diameter in meters, millimeters, and micrometers.
1. 2 answers
2. 1,554 views
A biologist finds that 32% of fruit flies have short wings and 27% have eye defects. Assuming these two events are independent,
1. 1 answer
2. 528 views
sorry, having a brain malfunction but which is a function:"x is a student y" "x is the biological daughter of mother y"
1. 0 answers
2. 685 views
The Hubble Space Telescope orbits Earth 621 km above Earth's surface. What is the period of the telescope's orbit? Give answer
1. 1 answer
2. 586 views
3x^3+x^2-12x-4=0
1. 1 answer
2. 301 views
A crate with a mass of 50 kg has a coefficient of static friction with the floor of 0.8 and a coefficient of kinetic friction of
1. 0 answers
2. 589 views
Imagine a very large nonconducting plate that has a uniform surface charge density σ =1 μC/m2; it also shows a point charge Q
1. 0 answers
2. 608 views
Find the magnitude of the acceleration (in m/s2) for an electron in a uniform electric field with a magnitude of 100 N/C.and
1. 0 answers
2. 730 views
Find the magnitude of the acceleration (in m/s2) for an electron in a uniform electric field with a magnitude of 100 N/C.and
1. 0 answers
2. 744 views
how would you find the inverse function of a problem when you have a squared number like f(x)=(x^2-4)^2 PLEASE HELP
1. 1 answer
2. 269 views
I'm doing a chemistry lab called colorimetric equilibrium study of a complex ion. But I just have one question which is how to
1. 0 answers
2. 1,163 views
A stone is thrown straight upward with a speed of 12 m/s from the edge of a 70 m high cliff. How long is the stone in the air?
1. 1 answer
2. 981 views
How to find the product?For example (h+4)(h-4)
1. 2 answers
2. 983 views
How did the role of the federal government change during the Progressive Era of the early 1900s. Include specific progressive
1. 2 answers
2. 975 views
What is the length of each side of a square that has the same area as a rectangle that is 12 mm long and 18 mm wide?
1. 1 answer
2. 898 views
A block is initially sliding along a horizontal surface with 24.6 J of kinetic energy. Friction causes the block’s speed to be
1. 1 answer
2. 756 views
What are biomes and how are they influenced by latitude and elevation? Give Examples
1. 1 answer
2. 455 views
You (65 kg) are standing in an elevator traveling upward that passes the 3rd floor at 3.5 m/s and then passes the 4th floor at
1. 1 answer
2. 1,769 views
At time t = 0, you shoot a cannonball horizontally from the roof of a building at a velocity of 10 m/s. The building has a
1. 1 answer
2. 440 views
At time t = 0, you shoot a cannonball horizontally from the roof of a building at a velocity of 10 m/s. The building has a
1. 1 answer
2. 475 views
What is number of representatives in MS and what is the ratio of citizens to representatives?
1. 1 answer
2. 442 views
If JKL is similiar to DEF and JKl has sides that are 11 times greater than those of DEFwhat is the relationship between the
1. 2 answers
2. 952 views
what is the relationship between the perimeters of the trianglesA. They are equal. B.The perimeter of DEF is 11 times greater
1. 3 answers
2. 716 views
What is the area of a regular pentagon with a side length of 10 inches and a distance from the center to a vertex of 10 inches?R
1. 1 answer
2. 2,006 views
what is the relationship between the perimeters of the triangles A. They are equal. B.The perimeter of DEF is 11 times greater
1. 0 answers
2. 650 views
What is the probability of a randomly tossed bean bag landing in the yellow target area? Gray is 2m and yellow 0.75mUse 3.14 for
1. 2 answers
2. 1,298 views
Using a standard deck of cards, find the probability that:1) You choose two cards and one is a face card and the other is black
1. 1 answer
2. 432 views
Two blocks are connected by a massless cord and are being pulled to the right by an external force F. They are accelerating at 2
1. 1 answer
2. 471 views
4. 5.6 x 10-6 mol of A and 5 x 10-5 mol of B are mixed in a 200 mL flask. The system is represented by the equation:2A + B -->
1. 2 answers
2. 758 views
A2B3 --> 2A + 3BI 0.001 0 0 C –x 2x 3x E 0.001-x 2x 3x 3x = 0.006, x = 0.002 A = 0.004 B = 0.006 A2B3 = 0.001-0.002 =
1. 3 answers
2. 431 views
PLEASE fully explain these...I've already tried to figure them out and failed terribly... thanks so much4. 5.6 x 10-6 mol of A
1. 4 answers
2. 569 views
25 mL of NaOH 0.16 M is added to 50 mL of 0.1 M HCl.What is the concentration of hydroxide ions in the solution?
1. 1 answer
2. 634 views
Calculate the volume of NaOH 0.5 mol/L necessary to neutralize 300 mL of HCl 0.2 M.
1. 1 answer
2. 597 views
Calculate the [H+] of a solution obtained by mixing 1 L of hydrochloric acid 1.0 M with 1 litre of sodium hydroxide 0.990 M.
1. 1 answer
2. 828 views
What mass of NaOH(s) must be added to 300 mL of HCl 0.25 M in order to completely neutralize this acid?
1. 1 answer
2. 486 views
The Kc for the following reaction at 940oC is 1.38.Given the concentrations [CO2] = 0.500 M, [H2] = 0.425 M, [CO] = 0.610 M and
1. 2 answers
2. 1,850 views
Which of the following pairs of compounds will give a precipitate in a diluted solution?Question 4 options: A) Cu(NO3)2 and
1. 1 answer
2. 968 views
A solution contains I-, Br- and OH- ions. If Ag+ is added, what will the precipitate(s) be?
1. 1 answer
2. 600 views
What is the maximum concentration of Ca2+ ions in a solution containing 0.010 M of F- ions?
1. 2 answers
2. 2,602 views
A mixture of lead, magnesium, nitrate and chromate ions are present in a solution. What will the precipitate be?Question 2
1. 1 answer
2. 1,346 views
You work with the following system:2X(g) <--> Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.
1. 1 answer
2. 646 views
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.
1. 1 answer
2. 3,969 views
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.
1. 2 answers
2. 2,183 views
For the equation f(9.5)=P(2.5)^9.5 solve for P.
1. 0 answers
2. 312 views
Find the area of the region inside r=19sin(theta) but outside r=3
1. 1 answer
2. 513 views
Mrs Acres will draw a circle on the playground for a game in gym class.The circle will havw a diameter of 16 feet.What is the
1. 1 answer
2. 444 views
Suppose an electron was bound to a proton as in the hydrogen atom, but by the gravitational force rather than by the electric
1. 0 answers
2. 765 views
Sarah lifts a 345 g shopping bag a distance of 1.2 meters onto a shelf. How much work was done?
1. 1 answer
2. 351 views
What is the solution set to 8x + 11 = 8x + 8
1. 2 answers
2. 361 views
Factor4cos^2x+4cosx-1=0
1. 1 answer
2. 864 views
Factor4cos^2x+4cosx-1=0
1. 1 answer
2. 947 views
how to factor x^2+2x-3=0
1. 1 answer
2. 270 views
how to factor x^2+2x-3=0
1. 1 answer
2. 270 views
Imagine making a tent in the shape of a right prism whose cross-section is anequilateral triangle (the door is on one of the
1. 2 answers
2. 688 views
The chief way the federal government raises revenue is fromborrowing money foreign aid individual income taxes corporate taxes
1. 2 answers
2. 693 views
i have write the equation as a single logarithm2 lnx-3 lny+1/2 lnz
1. 1 answer
2. 418 views
A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force
1. 0 answers
2. 1,276 views
the height, at a given time, of a child above the ground when the child is on the trampoline is shown in the table. determine a
1. 0 answers
2. 553 views
Construct the octahedral crystal-field splitting diagram for the metal in each species.Cr4+ Mn(H2O)6^2+
1. 2 answers
2. 4,638 views
Which of these ions have one d electron in the outmost d subshell?Zn2+ Fe2+ y2+ Cd2+ Sc2+ Hg2+ Tc2+
1. 1 answer
2. 3,045 views
Which of these ions have five d electrons in the outermost d subshell?Mn2+ Fe2+ Re2+ Y2+ Tc2+ Zn2+ Ru2+
1. 3 answers
2. 2,504 views
what are the chemical formula for sodium tetrachloroplatinate(II) and tris(ethylenediamine)cobalt(III) bromide
1. 1 answer
2. 2,548 views
How many outer-shell d electrons are there in each of the following transition-metal ions?Re(III) Sc(III) Ru(IV) Hg(II)
1. 2 answers
2. 4,614 views
Give the chemical formula for trans-dichlorobis(ethylenediamine)platinum(IV). Use (en) as the symbol for ethylenediamine.
1. 4 answers
2. 8,064 views
35/(2+5)(2^3)-15
1. 2 answers
2. 190 views
A mass of 0.7 kg is attached to the end of a massless spring of spring constant 0.35 N/m. It is released from rest from an
1. 0 answers
2. 613 views
A 390.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the
1. 0 answers
2. 779 views

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