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May 10, 2020
When Uranium 238 decays, it emits 8 alpha particles and 6 beta particles before finally becoming the stable daughter product;
4 answers
asked by
w
2,365 views
Joshua’s calculator is set to generate the numbers from 1 to 10 at random. He notices that out of the 50 numbers his
3 answers
asked by
sakura
668 views
acar traveling along a straight roed increases it's speed from 30m/s to 50m/s a distance of 300m .If the acceleration is
3 answers
asked by
Naseem Alfoqhaá
459 views
When the first portion of 100 mL sample, which is known to contain iron (III) and calcium (II) and whose density is 1.01 g /
3 answers
asked by
Burak
446 views
A film of gasoline (n=1.40) floats on water (n=1.33). Normally incident blue light of a wavelength 480 nm, appears bright blue
1 answer
asked by
Mea
475 views
There are six more men then women in a apprentice class of 30. How many female apprentices are in the class?
1 answer
asked by
Anonymous
457 views
Phases, Eclipses and Tides
This section explains what causes the phases of the moon, what causes eclipses, and what causes tides.
3 answers
asked by
Mari
720 views
Is the set of all real numbers x such that 0 < x ≤ 1, with operation multiplication.
So I choose any elements x,y in the above
4 answers
asked by
Ashley
1,078 views
A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle shown for the tree
4 answers
asked by
devin
1,340 views
A department store marked down all of its summer clothing 29%. The following week the remaining items were marked down again 15%
3 answers
asked by
Gianni
966 views
The way in which each of the three major groups of rocks forms is different
1 answer
asked by
Treyon
442 views
You are creating a playlist of songs for your workout routine. You have a total of 8 songs, but only need 6 for your playlist.
4 answers
asked by
sakura
440 views
Evaluate 12P2
5 answers
asked by
sakura
1,822 views
For what real value of x the following inequality holds:
(4x²)/[1 - √(1 + 2x)]² < 2x + 9 ?
7 answers
asked by
Kenny
472 views
A box contains a dozen markers: 4 purple, 3 black, 3 orange, and 2 red. Abbey takes 2 markers out of the box without looking.
3 answers
asked by
sakura
806 views
The table shows the results of spins Peter made on a fair spinner.
Spinner Results Color Number of Times Red 2 Yellow 3 Blue 6
2 answers
asked by
sakura
760 views
Is there one place on Earth where we can see the complete geologic column? How and why?
2 answers
asked by
w
887 views
If the rule says I should mix 1 cup of fertilizer in every 1 gallon of water, how much fertilizer should I mix in 1 litre of
2 answers
asked by
shamar
523 views
Light rays strike a plane mirror at an angle of α = 38.5° as shown in the figure below. What is the angle when the reflected
2 answers
asked by
AAA
570 views
What is the median of the data set below? Round to the nearest while number.
Test scores: 76, 92, 84, 97, 72, 88, 77
4 answers
asked by
Nick
1,198 views
I know it's hard to draw a graph here, but I just need an explanation of both if possible. I appreciate any help I can get! :)
"D
3 answers
asked by
Beige
493 views
To study a species of fox, a team captures and tags 25 foxes from a large forest and then releases them. The following week they
3 answers
asked by
Brandon
407 views
In its flip a lid contest, a coffee chain offers prizes of 50,000 free coffees, each worth $1.50; two new TVs, each worth $1200;
4 answers
asked by
Brandon
991 views
How many (a) H+ ions and (b) OH" ions are present in 250 ml of a
solution of pH3?
1 answer
asked by
Ali Alkhfajy
487 views
What is the perimeter of 12 + 10 + 13 +? =
1 answer
asked by
Lena
332 views
What was the shortest distance, in miles, that a student ran?
5 answers
asked by
Ahmed
1,411 views
3. What was one effect of the Green Revolution?
4. Most Central Asian countries today can best be characterized as what type of
3 answers
asked by
HEAVEN
879 views
6. The Soviet Union spent money on the military and weapons and neglected the rest of the economy.This helped lead to the
2 answers
asked by
HEAVEN
533 views
8. How did the Soviet Union come to dominate Eastern Europe after World War II?
4 answers
asked by
HEAVEN
829 views
Lucile runs the 50-meter dash in her track meet. How many millimeters long is the race?
2 answers
asked by
Sadie kilman
537 views
PLEASE HELP
If a car generates 18 hp when travelling at a steady 90 km/h with an average frictional force of 5.4 x 10^2 N, how
1 answer
asked by
Anonymous
649 views
How many grams of solid NaOH are required to prepare 500 ml of a
0.04 M solution? (b) Express the concentration of this solution
4 answers
asked by
Ali Alkhfajy
1,833 views
A string of a bow is pulled backwards 0.6 m with a force of 170 N. The mass of the arrow is 95 g (0.095 kg). If the bow is 92%
1 answer
asked by
Anonymous
447 views
What are the (a) H+ ion concentration, (b) pH, (c) OH" ion
concentration, and (d) pOH of a 0.001 M solution of HC1?
2 answers
asked by
Ali Alkhfajy
763 views
What is the concentration of HN03 in a solution that has a pH of 3.4?
1 answer
asked by
Ali Alkhfajy
456 views
Write a formula for quadratic function if its graph has the vertex at point (−2,5) and passes through the point (3,−10).
4 answers
asked by
Anonymous
2,761 views
What is the pH of a 108 M solution of HCl?
1 answer
asked by
Ali Alkhfajy
348 views
Three long wires parallel to the x axis carry currents as shown. If I = 20 A, what is the magnitude of the magnetic field at the
3 answers
asked by
AAA
979 views
Question :
For each of the following, let the operation ∗ be defined on Z by the given rule. Determine in each case whether Z
2 answers
asked by
Ashley
696 views
A rectangle measures 3.9 cm by 9.1 cm.What is the area of the rectangle (A=lw)
1 answer
asked by
Kendrick
350 views
Which is the correct formula to calculate The magnitude of the magnification M=di/do or M=-di/do
1 answer
asked by
Anonymous
360 views
Enter a number in power (potency?) that is one eighth as large as 4^32.
1 answer
asked by
Mike
318 views
Sorry if this sounds incorrect, I hope it doesn't, if it does, don't worry about it. They are the advanced questions and it
3 answers
asked by
Mike
416 views
Two wires lying in the plane carry equal currents in opposite directions. If a negatively charged particle is at rest at a point
1 answer
asked by
Anonymous
473 views
What is the volume of nitrogen that will be produced at stp from the decomposition of 9.60g of ammonium dioxonitrate(III)?
5 answers
asked by
The orange baboon
1,109 views
In a simple harmonic oscillator that is vertical(so the forces on the mass is gravitational and/or spring), if more mass is
1 answer
asked by
Charity W.
415 views
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