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Why do Na+ ions enter the cell when voltage-gated Na+ channels are opened in neurons?O because the Na+ concentration is much
1. 1 answer
2. 102 views
Why do Na+ ions enter the cell when voltage-gated Na+ channels are opened in neurons?
1. 1 answer
2. 163 views
The ion that triggers the release of neurotransmitter like acetylcholine from the synaptic terminal into the synaptic cleft is
1. 1 answer
2. 96 views
Which set of numbers is arranged in descending order? (1 poir 7.6 * 10 ^ - 25, 7.2 * 10 ^ - 30, 7.2 * 10 ^ - 25, 7 * 10 ^ - 30;
1. 1 answer
2. 85 views
Balance the following the chemical equationBlank N2 + Blank O2 → Blank NO
1. 1 answer
2. 75 views
What is a major risk of using a financial institution? (1 point) Responses The financial institution may fail entirely. The
1. 1 answer
2. 243 views
The area of the picture frame is 55 square inches. find the length of one side of the frame.Part a- nearest whole inch Part b-
1. 1 answer
2. 82 views
The area of the picture frame is 55 square inches. find the length of one side of the frame.
1. 1 answer
2. 96 views
Compare the following numbers using < or > am rounding to the nearest tenths place.Show your work. 6.51326... and 39 squared
1. 1 answer
2. 100 views
List the numbers from least to greatest. When approximating an irrational number, round to the nearest tenth.5 squared, 3.7,
1. 1 answer
2. 61 views
Which number comes first in the series when ordered from least to greatest?22/7, -3, 17 squared, 16/5, or -4.5
1. 1 answer
2. 75 views
Which number is larger -7 squared or -3.12345
1. 5 answers
2. 77 views
Approximate using perfect square. Identify the two integers the number is between. Show your work. 37 squared
1. 1 answer
2. 75 views
Approximate using perfect squares. Identify the two integers the number is between. Show your work. 78 squared
1. 1 answer
2. 135 views
Richie says that 2.141441444... is a rational number. Elsa disagrees. Who is correct? What is the likely cause of the error?
1. 3 answers
2. 70 views
What is thermal energy?(1 point)Responses the measurement of energy in an object due to position, conduction, or chemical
1. 5 answers
2. 118 views
Which option is a measure of the average kinetic energy of the particles in a substance?(1 point)Responses thermal energy
1. 3 answers
2. 138 views
Fearless andy jumps out of a window from a 68 story building without a parchute or any safty equemt. Never the less he lands
1. 5 answers
2. 100 views
Which statement describes the graph and orientation of the parametric equations x=9cost and y=9sint?A.The graph is a circle with
1. 1 answer
2. 147 views
(2x+y=-8 y=2x+4)
1. 3 answers
2. 93 views
Find the surface area of the rectangular prism
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2. 56 views
Which line dialogue is punctuated correctly
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2. 242 views
In English where should you place periods and questionmarks used in dialogue
1. 1 answer
2. 121 views
Which puncation mark sets off a direct quootstion from the rest of the sentence in English
1. 1 answer
2. 97 views
A firm asks for your help in the analysis of some production decisions. The firm would like to know whether its decision to
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2. 205 views
Which statement correctly describes the Australian Outback?A. The Australian Outback has many large cities in it. B. The
1. 2 answers
2. 408 views
Use the map to answer the question.Which body of water does numeral III represent? A. the Arabian Sea B. the Caribbean Sea C.
1. 2 answers
2. 462 views
Java Create a cash register application (window builder). The program will display a menu in the fast-food as follows:Cheeseburg
1. 0 answers
2. 246 views
When historians investigate how the Spanish and Portuguese built their empires, they notice (1 point)there are no similarities
1. 0 answers
2. 505 views
why is the spectacle an important achievement for medieval europe
1. 1 answer
2. 151 views
important achievements in medieval europe
1. 1 answer
2. 124 views
why is the watermill an important achievement for medieval europe?
1. 1 answer
2. 127 views
Explain why the catholic church split into two religions
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2. 119 views
What type of evidence is needed for a hypothesis to be supported or not supported
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2. 134 views
You buy a house from your brother and promise to pay him the $25,000 down payment in 2 years with 1.25% simple interest. You
1. 0 answers
2. 150 views
Which is the term for an explanation that can be tested?A: A conclusion B: an analysis C: A hypothesis D: an experiment
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2. 123 views
Which is the term for an explanation that can be tested? Unit one lesson four
1. 0 answers
2. 124 views
Find the nth term of the sequence.11. 𝑎6 = −38 and 𝑎11 = −73
1. 1 answer
2. 165 views
Students were surveyed to find out their favorite ice cream flavors. The results showed that 48% chose vanilla and 20% chose
1. 1 answer
2. 732 views
Which is a good description of kinetic energy?conserved energy stored energy energy from the sun energy of motion A person
1. 44 answers
2. 13,893 views
6CO2 + 6H2O → C6H12O6 + 4O2How many molecules of carbon dioxide are involved in this reaction? How many molecules of sugar are
1. 4 answers
2. 2,024 views
For what kind of external environment is a saltwater fish adapted?Isotonic Environment Osmotonic environment Hypotonic
1. 10 answers
2. 7,224 views
A rectangular carton has twice the height one-third the length, and four times the width of a second carton. The ratio of the
1. 2 answers
2. 985 views
1. You can construct congruent triangles if you know which of the following?A. The Measures of two Angles B. The Measures of
1. 5 answers
2. 1,942 views
Which part(s) of the reaction H2O(g) + C(s) ⇀↽ H2(g) + CO(g)will be favored by an increase in the total pressure (resulting
1. 1 answer
2. 768 views
What organisms use cellular respiration
1. 0 answers
2. 458 views
The first 5 terms of an arithmetic sequence are-2, 5, 12, 19, 26 Find the formula for the nth term of this sequence
1. 1 answer
2. 1,279 views
Vang Enterprises, which is debt-free and finances only with equity from retained earnings, is considering 7 equal sized capital
1. 1 answer
2. 1,399 views
Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=3−x about the x-axis.
1. 2 answers
2. 954 views
which invertebrate made the transition to life on land,they forced two challenges- the first was to avoid drying out and the
1. 1 answer
2. 582 views
Beside parasitism, invertebrates exhibit various other symbiotic relationship explain with examples?Please help me
1. 2 answers
2. 631 views
Activity Coefficient for Phosphate Buffers: How would I calculate the predicted pH for Na2HPO4 and NaH2PO4? For hypothetical pH
1. 2 answers
2. 733 views
If y = x^3 + 2x^2 if reflected across the line y =x, what is the resulting equation?This is what I have so far: x = y^3 - 2y^2 x
1. 1 answer
2. 523 views
The distance from earth to the galactic centre is 23000 ly. What constant speed would be required to make the journey in 30 y of
1. 1 answer
2. 635 views
You pull a 30.5 kg wooden box with a rope that makes a 23.0° angle with the horizontal at a constant speed. The coefficient of
1. 3 answers
2. 652 views
A bridge 30 m long crosses a chasm. If the bridge is inclined at angle of 20 degrees to the horizontal, what is the difference
1. 1 answer
2. 1,076 views
How much heat would be absorbed by 55 grams of copper when heated from 24 degrees Celsius to 40 degrees Celsius? The specific
1. 1 answer
2. 727 views
WHAT IS CENTER OF MASS?
1. 0 answers
2. 513 views
suppose that the teacher of this class graded solely on a curve - 10% get A, etc.How might this effect students getting into
1. 1 answer
2. 489 views
27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for
1. 0 answers
2. 519 views
Suppose that we repeat the experiment shown in the video, but we replace one of the cylinders with a cylinder that has twice the
1. 2 answers
2. 3,225 views
A key falls from a bridge that is 45 m above the water. The key falls straight down and lands in a model boat traveling at a
1. 1 answer
2. 1,013 views
A ball is dropped from the top of a building. The balls fall 3 times farther during its last second of freefall than it did
1. 1 answer
2. 938 views
Evaluate the integral using any method:(Integral)sec^3x/tanx dx I started it out and got secx(1tan^2x)/tanx. I know I just have
1. 3 answers
2. 1,009 views
What mass of Ca(OH) 2 is required to make 1.5 l of a 4.0% (w/v) solution of Ca(OH)2 in water?
1. 2 answers
2. 449 views
A 50.0 mL graduated cylinder has a mass of 67.6 g. When it is filled with an unknown liquid to the 38.8 mL mark, the cylinder
1. 2 answers
2. 666 views
Integral from pi/6 to pi/4 of 2sin(2x)cos(2x)dx=
1. 1 answer
2. 506 views
solve by using the square root method:(5y+4)^2+100=0
1. 1 answer
2. 380 views
The value of c for which f(x) = x + c/x has a local minimum at x= 3 is(a) -9 (b) - 6 (c) -3 (d) 6 (e) 9
1. 2 answers
2. 2,214 views
A car starting from rest, accelerates at 5.0 m/s^2 fpr an unknown time interval. If the car travels 250 m in the acceleration
1. 1 answer
2. 549 views
An object accelerates from 5.0 m/s to 100m/s. If the object traveled 250 m during this time, what was the acceleration?
1. 1 answer
2. 409 views
Equal Masses of phosphorus and chlorine react according to the follow equation.2P+3Cl2=2PCl3 Which reagent is in excess and what
1. 0 answers
2. 605 views
An observer 2 km from the launching pad observes a vertically ascending missile at an angle of elevation of 21 degrees. 5
1. 1 answer
2. 2,426 views
trig question2sin^2x+sinx-6=0 how to solve for x when the restriction is x is greater than or equal to zero but less than 2pi
1. 2 answers
2. 998 views
A 8.2 gram lead bullet that was stopped in a doorframe apparently melted completely on impact. Assuming the bullet was fired at
1. 1 answer
2. 677 views
What would the final volume of water be if 80.0 kJ were added to a 100.0 mL sample at 100.0 degrees Celsius?
1. 1 answer
2. 525 views
A rectangular field 250 m long by 110 m wide. How much shorter is it to walk diagonally across the field than around the sides?
1. 2 answers
2. 924 views
I am working on a problem where I am to graph the equation and identify the y interceptthe equation is y+x=-9 On the graph, I
1. 2 answers
2. 654 views
My answer to the question below is >=22.5 is it correct0.6x+4<=1.0x-5
1. 1 answer
2. 433 views
I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow
1. 1 answer
2. 811 views
I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow
1. 1 answer
2. 654 views
I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow
1. 1 answer
2. 581 views
Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening
1. 0 answers
2. 529 views
Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening
1. 1 answer
2. 656 views
Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening
1. 0 answers
2. 402 views
Here is the question: The mortgage department of the company is selling two model homes that are located on the same block. The
1. 1 answer
2. 925 views
Give a response of at least 50 words to the following: Describe the graph of the interval [-4, 3).• Explain how this differs
1. 4 answers
2. 839 views
If you jump from rest from a height of 2.0 m above ground, what is your speed (magnitude only), right before you hit the ground?
1. 1 answer
2. 417 views
What is produced at each electrode in the electrolysis of NaBr(aq) and AgF(aq)?
1. 1 answer
2. 3,787 views
Which substances in each of the following pairs would have the greater entropy? Explain.(a) at 75°C and 1 atm: 1 mol H2O(l) or
1. 1 answer
2. 1,719 views
Sorry i typed the question wrong.Suppose the growth of a population in millions is modeled by 3.2 * (4.72^t. What is the size of
1. 0 answers
2. 438 views
Suppose the growth of a population in millions is modeled by 3.2*(4.72)^t. What is the size of the population in millions?
1. 0 answers
2. 1,183 views
A free electron is captured by a proton forming a Hydrogen atom. If the electron ends up in the ground state then what is the
1. 2 answers
2. 770 views
A free electron is captured by a proton forming a Hydrogen atom. If the electron ends up in the ground state then what is the
1. 1 answer
2. 558 views
Many subatomic particles have the same charge as an electron (e) but much different masses. For instance, the muon has the same
1. 1 answer
2. 571 views
A continuous stream of water is flowing out of a faucet and falling into a sink below. Explain why this stream of water is
1. 1 answer
2. 612 views
A seashell is basically an open-closed tube rolled up.Explain why you hear a roaring sound (the sound of the sea) when you place
1. 1 answer
2. 504 views
Explain how the pitch of the roaring sound relates to the length of the tube.
1. 1 answer
2. 440 views
ChromatographyHow can I tell which of two mobile phases is more polar? Does the fact that one solvent (e.g. isopropanol/ammonia)
1. 1 answer
2. 550 views
In a ballistic motion experiment with a ball being lanched from a ballistic launcher and hitting a impact point.How do we
1. 0 answers
2. 420 views

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