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Jonah

Questions (68)

Bricks have a mass of 1.75kg each.How many bricks are there in 21/4tonnes?
1. 1 answer
2. 119 views
Bricks have a mass of 1.75kg each. How many bricks are there in 21/4tonnes
1. 1 answer
2. 119 views
(3 3/8)^1 ½
1. 2 answers
2. 151 views
Jakarta is filling in a Venn diagram with characteristics on the middle section by writing about the things they had in common.
1. 0 answers
2. 461 views
hey everyone this is my first post but im looking for some help i was sick and missed a lot of school and im working on a
1. 0 answers
2. 668 views
Why did cattle owners have to buy private property on which to keep their cattle
1. 1 answer
2. 768 views
Find the parametric equations of the line through the points (2, -1, 3) and (-1, 4, 0).
1. 2 answers
2. 649 views
Find the polar equation of the conic with focus at the pole, having eccentricity 5 anddirectrix y = -6. Thank you so Much!
1. 1 answer
2. 1,168 views
Find the polar equation of an ellipse with a focus at the pole and major axis endpoints (4, 0)and (2, 𝞹). Thank you!
1. 0 answers
2. 960 views
what is the valence of Phosphorus in Phosphorus pentachloride? I think its 5, because thats how many valence electrons are in
1. 1 answer
2. 838 views
What type of bonds exist between the atoms of NH4+? Explain the bond(s).
1. 1 answer
2. 494 views
Find the acute angle theta that satisfies the given equation. Give theta in both degrees and radians.cot(theta)=1/sqrt(3) The
1. 1 answer
2. 1,477 views
Sulfur can form a bond with any of the following elements: oxygen, chlorine, bromine, or phosphorus. Which of those elements
1. 1 answer
2. 1,695 views
The Colemans finance their home with a $90,000 mortgage loan at 9.25% APR. What will their monthly payments be if the load has a
1. 1 answer
2. 1,332 views
What is the natural logarithmic regression equation for the following data? Estimate the value for x = 15x 2, 4, 7, 10 y 3, 8,
1. 2 answers
2. 1,040 views
The following points are plotted on a coordinate plane:(-1,2),(-1,7), and (4,2). If the points are connected by straight lines,
1. 15 answers
2. 4,643 views
Write the equation for a circle that has a center (-2, 4) and radius of 3cm.
1. 1 answer
2. 422 views
Given that f(x) = -5x + 8a. Find f^[-1](x) b. Find f(3) c. Find f^[-1](3) Thank You!!
1. 1 answer
2. 360 views
Every great circle of a sphere passes through its center.true or false?
1. 1 answer
2. 796 views
Determine whether each statement is true or false.A chord that contains the center of the sphere is a diameter of the sphere. A
1. 4 answers
2. 822 views
Find the surface area of a cylinder with the given dimensions. Round to the nearest tenth.d= 14mm and H = 32mm
1. 1 answer
2. 700 views
Jessie paddled her canoe 20 miles upstream, then paddled back. If the speed of the current was3 mph and the total trip took 7
1. 3 answers
2. 783 views
If a ball is thrown straight up from the top of a building that is 407 feet high, the position in feetabove the ground is given
1. 1 answer
2. 741 views
Find the lengths of each side give the following right triangle:Base=x hypotenuse=x+6 last side=x+3 thank you!
1. 1 answer
2. 521 views
Find the area of the figure. Round to the nearest tenth if necessary.D(0,2), E(4, -2), F(8,2) instead of d and f connecting with
1. 1 answer
2. 754 views
Find the area of the figure. Round to the nearest tenth if necessary.T(-1,8), U(3,5), V(4,0), R(-3,0), S(-3,5)
1. 1 answer
2. 1,413 views
The region enclosed by the curve y = ex, the x-axis, and the lines x = 0 and x = 1 is revolved about the x-axis. Find the volume
1. 3 answers
2. 2,588 views
There are 20 pink balloons in a bunch of 100. 34 people out of 100 like pink balloons( versus other colors). What is the
1. 0 answers
2. 661 views
What is the probability of in a room with 15 people, there will be at least one shared birthday?
1. 1 answer
2. 475 views
A light, ideal spring with a spring constant k = 100 N/m and uncompressed length L = 0.30 m is mounted to the fixed end of a
1. 1 answer
2. 1,474 views
Alex mounts the clock on a wood base with the shape shown at the right what is the area of the wood basethe composite figure is
1. 2 answers
2. 1,489 views
Alex then paints the face of the clock with white paint. It has a diameter of 14 inches. What is the area of the clock face?Next
1. 2 answers
2. 2,970 views
In Act 1, Scene 5, the young Scrooge’s beloved ends their relationship. She says, “Have I not seen your nobler aspirations
1. 9 answers
2. 3,870 views
What type of relationship is shown between the x- and y-values on the graph?
1. 9 answers
2. 8,090 views
As a result of the 1763 Treaty of Paris, Great Britain gained complete control over?
1. 7 answers
2. 1,517 views
What is the best estimate for the sum of 5/12+2/5
1. 4 answers
2. 1,040 views
Which of the following information would best be displayed through the use of a timeline?
1. 10 answers
2. 2,874 views
for a normal curve what percentage of values falls beyond two standard deviations from the mean
1. 1 answer
2. 501 views
Consider the titration of 20.0mL of 0.300M acetic acid, HAc, with 0.150M NaOH solution. Ka=1.75*10^-5HAc + NaOH ---> NaAc + H2O
1. 2 answers
2. 705 views
Why DNA cannot grow from 3’ to 5’ direction — why this is important for proofreading?
1. 1 answer
2. 397 views
A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag
1. 2 answers
2. 1,024 views
Suppose 100.0 mL of 1.00 M HCl and 100.0 mL of 1.00 M NaOH, both initially at 23.0°C, are mixed in a thermos flask. When the
1. 1 answer
2. 889 views
How do you determine that a certain reagent will result in syn addition, anti addition, or be nonstereospecific?For instance the
1. 0 answers
2. 1,077 views
How can you tell where on a graph f is discontinuous? What are the criteria?
1. 4 answers
2. 417 views
The volume of a rectangular solid is 250 cubic centimeters. If its length is tripled, its width is halved, and its height is
1. 1 answer
2. 673 views
The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the
1. 1 answer
2. 1,447 views
Glycerol is a nonvolatile water soluble material. It's density is 1.25g/ml.Predict the vapor pressure of a solution of 2.40E2 ml
1. 1 answer
2. 769 views
A tank contains exactly 10^(6)liters of pure water. 1.0*10^(-6) moles of HCl (g) is bubbled into this tank. What is the
1. 1 answer
2. 403 views
What is the pH of a solution that is .060M in potassium propionic and .085M in propionic acid?Ka=1.3E-5 for the acid. The answer
1. 1 answer
2. 705 views
Which of the following salts is NOT more soluble in acidic solution than in pure water?A. ZnS B. AgCN C. Ba3(PO4)2 D. ZnCO3 E.
1. 1 answer
2. 2,523 views
A sealed 1.0L flask is charged with .500mol I2 and .500mol Br2 and an equilibrium reaction esues: I2(g)+Br2(g)=2IBr(g)When the
1. 3 answers
2. 1,807 views
Why does the color of Methyl Orange change at all in he presence of buffer components?
1. 1 answer
2. 1,002 views
Why is a dilute solution of boric acid H3BO3 used as an eyewash?How does it work in cleansing the eye from chemicals?
1. 1 answer
2. 3,426 views
Which of the following pairs would make a good buffer solution in an aqueous solution?A) H2SO4 and NaHSO4 B) Ca(NO3)2 and HNO3
1. 1 answer
2. 5,876 views
(Ksp= 5.0*10^-13)1) Calculate the molar solubility of AgBr in 3.0×10^−2 M AgNO3 solution. 2) calculate the molar solubility
1. 3 answers
2. 8,611 views
If acetic acid is the only acid that vinegar contains [Ka = 1.8*10-5] , calculate the concentration of acetic acid in the
1. 6 answers
2. 9,269 views
0.15g of hydrogen chloride HCl is dissolved in water to make 8.0L of solution. What is the pH of the resulting hydrochloric acid
1. 1 answer
2. 3,749 views
The standardized NaOH solution was determined to be 120M whereas the mass of the sample of impure tartaric acid was 1.35g. If
1. 0 answers
2. 461 views
What are the units for rate constant?I know each may have different units for the k value, I just don't know how to get them.
1. 1 answer
2. 454 views
What is the osmotic pressure of .100 M solution of aluminum chloride at 27 deg C?I used the formula: pi=(i)(M)(R)(T) wasn't sure
1. 1 answer
2. 436 views
The freezing point of ethanol is -114.6 deg Celsius and its Kf value is 2.00degC/m. What is the freezing point for a solution
1. 1 answer
2. 562 views
A 0.5-L saturated solution of silver chloride, AgCl, is evaporated to dryness. The residue is equivalent to 1.4 x 10^-3 mole.
1. 1 answer
2. 679 views
Coud someone please check my answers to the questions?1.¿Qué apagas cuando tienes frío? Apago la ventiladora cuando tengo
1. 3 answers
2. 528 views
I'm so stuck-this stuff is so far above me right now-Please help where do I even start? Any hint would be so helpful-(3x^3-5^2+6
1. 2 answers
2. 577 views
I'm so stuck-this stuff is so far above me right now-Please help(3x^3-5^2+6x-9)/(x+5) or can someone direct me to a site that
1. 0 answers
2. 381 views
7(x-2)+3(x+2)=5(x-6) x=?
1. 4 answers
2. 400 views
How do cross linked branched polymers compare to cross linked linear polymers?
1. 0 answers
2. 373 views
Find the derivative of the function.y= xcosx - sinx What's the derivative? I get only one trig function. I will be happy to
1. 0 answers
2. 843 views

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