Ask a New Question
Search
Questions and answers by
Samantha
Questions (1,012)
(I need help with these two questions. I don’t know how to solve it.)
1. A student takes 215mL of a 5.0M HCI solution and
2 answers
724 views
(My answers)
1. A sample of gas occupies 33 mL at -101 Celsius what volume does the sample occupy at 97 Celsius? (70.578) 2.
1 answer
757 views
I need help solving these. I don’t know what formula to use for them. There’s the (Boyle’s law, Kevin’s law, Charles
2 answers
708 views
Today I’m learning something new but I don’t know how to solve this. I have 2 questions about it but I feel as if, if
3 answers
877 views
Let g(x)=3x+2 and f(x)=(x-2)/3 Find the value. f(g(0))
I think I figured out part of it. g(0)=3(0)+2=2 g(2)=3(2)+2=8
2 answers
749 views
What is the result when 2x^3 -9x^2 +11x-6 is divided by x-3?
I have no idea how to even start solving this.
2 answers
2,490 views
Solve In 4+in(3x)=2 round to the nearest hundredth
3 answers
3,513 views
Compare the function with the parent function. What are the vertex, axis of symmetry, and transformations of the given function?
8 answers
7,017 views
Name the property of real numbers illustrated by the equation -3(x+4)=-3x-12
5 answers
4,597 views
Use the quadratic formula to solve the equation -x^2 + 7x = 8
3 answers
3,122 views
which matrix represents the system of equations below -12x-13y+13z=15
4 answers
5,157 views
The velocity time graph shows the movement of a particle alobg a straight line. The particle passes a point, A, when t=0. It
0 answers
621 views
Good morning. I need help solving 2 problems for chemistry. For #1 I need someone to check my work and tell me if I did it wrong
1 answer
794 views
A machine produces 75 widgets an hr how many widgets would the machine produce in six mins
1 answer
546 views
If you have 2.2x10^24 molecules of O2 at STP, how many liters of O2 do you have?
Can someone show me how to solve this
5 answers
1,099 views
Is there a chemistry teacher for jiskha? Or someone that knows what my teacher is talking about? :’(
He wants me to: Calculate
4 answers
637 views
1.what is a polynomial function in standard form with zeros 1,2,-2, and -3
A. X^4+2x^3+7^2-8x+12 B. X^4+2x^3-7^2-8x+12 C.
1 answer
781 views
In 2000, National data suggested that 26% of all U.S. businesses were owned by women. In 2009, a consulting firm surveyed a
0 answers
806 views
Tim’s client wants to sell her house and needs an estimate of its value. To get an initial estimate, Tim averages the sale
2 answers
858 views
Simplify the expression -5+i/2i
I typed this problem into mathway and they told me the answer was 1/2+5i/2 but wouldn’t show me
3 answers
9,709 views
How do I solve this For (-x)?
(Do I just make -x equal 1 or 2?) I’m suppose to solve the equation by elimination. (Can someone
3 answers
651 views
Ok, I tried watching a video on how to solve a system by substitution. But I feel like I did it wrong, so can someone check my
1 answer
659 views
1. I need help solving the system by substitution
-x-y-z=-8 -4x+4y+5z=7 2x+2z=4
5 answers
1,791 views
Can someone show me how to solve the system by elimination with?
-2x+2y+3z=0 -2x-y+z=-3 2x+3y+3z=5
5 answers
565 views
I need help learning to solve substitution.
I have a problem that says solve the system by substitution -4.5x-2y=-12.5
2 answers
1,430 views
The Nuthouse offers a mixture of soy nuts and almonds. Almonds sell for $7 per pound and soy nuts sell for $5.50 per pound. The
1 answer
1,339 views
A football team lost 9 yards on each of three consecutive plays. What was the team's total change in position for the three
11 answers
6,036 views
I'm really confused and I just don't understand what to do. Please help!
Simplify each expression by combining like terms -8(n -
3 answers
562 views
A box turtle Marcos found is 0.115 of a meter long.What is this length in expanded form?
4 answers
1,807 views
The width of a rectang;e is w=r-5 and the area is r^3-24-5. What is the length? Please tell me how you solved. Thank you.
2 answers
492 views
1. Identify the correctly punctuated sentence.
A. Monarch butterflies migrate long distances each year—other butterflies live
5 answers
5,850 views
1. Read the following passage from "The Swimming Contest".
"Come over here, Nahida," the old lady said," and kiss the hand of the
6 answers
4,983 views
1. All of the following quotes from "The Swimming Contest" are intended to foreshadow the future conflict between the narrator
15 answers
13,273 views
Right triangle PQR with the right angle at Q has one side measuring 46 feet and the hypotenuse
measuring 54 feet. Find the other
1 answer
536 views
Is a triangle that has sides which measure 8, 15, and 17 a right triangle? Justify your answer, ie,
2 answers
595 views
A smokestack is
200 ft high. A guy wire must be fastened to the stack 30.0 ft from the top. The guy wire makes an angle of 42.0°
1 answer
5,313 views
A conveyor is used to lift paper to a shredder. The most efficient operating angle of elevation for the conveyor is 35.2°. The
1 answer
967 views
Find all primary solutions (i.e. 0 ≤ θ < 2π ) of the equation cos(2θ ) = 4 − 3 cos(θ ).
Find all primary solutions (i.e.
1 answer
601 views
Find all primary solutions (i.e. 0 ≤ θ < 2π ) of the equation cos(2θ ) = 4 − 3 cos(θ ).
Find all primary solutions (i.e.
3 answers
1,784 views
An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places
1 answer
1,819 views
Hi! I just want to make sure my answers are correct.
(Key: * means that is my answer.) A basketball momentarily changes shape as
4 answers
1,387 views
Given that tanθ = 2 root 10 over 9 and cscθ < 0 , find the exact value of cos(θ − pie over 4) .
I solved for the other side
4 answers
836 views
Solve the given equation
cos(θ) − sin(θ) = 1 I got the answer to be 3pie/2 and 0 but its wrong can someone help Thank you
1 answer
462 views
solve the given equation
cos(θ) − sin(θ) = 1
2 answers
422 views
Someone please help me prove these
A) cos^4x-sin^4x=cos2x B)tanx=sin^2x/1+cos^2x Please and Thank you
1 answer
555 views
Suppose that the functions S and T are define for all real numbers x as follow.
s(x)=x-3 t(x)=3x+1 Write the expressions for
1 answer
668 views
What ratio of molar concentrations of sodium acetate to acetic acid can buffer a solution at a pH of 4.89?
1 answer
535 views
Compare and contrast the rise and fall of Germany and japan during the period of world war Il
Please help me with this.
25 answers
15,933 views
the eventual evolution of living organisms on earth is based upon the following theory: during the early stages of the earth's
0 answers
574 views
I am having a hard time finding the domain, set notation,excluded value.
Rational expression 1. Y^2+11y+30/y+5 Rational
1 answer
758 views
what was the purpose of the war production board
A. to tell factories how many planes or tanks each factory had to produce. B. to
30 answers
20,190 views
Use the Shell Method to calculate the volume of rotation, V, about the x-axis for the region underneath the graph of
1 answer
773 views
So I am answering some questions regarding the motifs of Macbeth. I was wondering if the quotes I have chosen are the right
1 answer
575 views
a statistics professor rolls two balanced dice. Both fall to the floor
and roll under his desk. A student in the first row
1 answer
514 views
professor rolls two balanced dice. Both fall to the floor
and roll under his desk. A student in the first row informs the
0 answers
580 views
Prove that if two lines with gradients m1 and m2 meet at an angle of 45°, then m1xm2 = m1-m2-1 or m1xm2 = m2-m1-1
Please help!!
1 answer
519 views
why did mass culture in the form of entertainment emerge in the 1920's
3 answers
1,666 views
Calculate the pH values and draw the titration curve for the titration of 500 mL of 0.010 M acetic acid (pKa 4.76) with 0.010
0 answers
1,129 views
Which statements about hydrogen bonds are correct?
1) Hydrogen bonds are the interaction between a hydrogen atom bonded to an
1 answer
2,406 views
Which of the following statements about noncovalent bonding interactions is NOT true?
Which of the following statements about
1 answer
1,713 views
Suppose the concentration of glucose inside a cell is 0.1 mM and the cell is suspended in a glucose solution of 0.01 mM.
What
2 answers
2,243 views
What are two butterfly similes and metaphors that rhyme?
0 answers
625 views
What is a example of a onomatopoeia for a butterfly?
6 answers
2,310 views
In an experiment, 6.25 g of NH3 are allowed to react with 8.50 g of O2. The chemical equation for the reaction is 4NH3 + 5O2 →
1 answer
976 views
"The judicial Power shall extend to all Cases, in Law and Equity, arising under this Constitution, the Laws of the United
2 answers
979 views
Which process came under scrutiny during the 200 presidential election of George W. Bush? (1 point)
A) Due process B) Electoral
1 answer
984 views
Which of the following international actions may a president do without congressional approval? (2 points) Select all that
2 answers
962 views
Factoring with two variables
Factor each polynomial X^2-25x+150
2 answers
506 views
June has $1.95 in dimes and nickels. She has a total of 28 coins. How many dimes and how many nickels does she have?
2 answers
877 views
10. The following balance sheet extract relates to the ABC Company.
Bonds Payable $1,600,000 Common Stock $5,000,000 Preferred
0 answers
661 views
The half-life of a certain radioactive element is about
1500 years. After 2800 years, what percentage P of a sample of this
2 answers
2,563 views
An object consists of 5 masses, each of mass m, connected by massless rods. The two short rods have length L and the two long
0 answers
945 views
The graph shows the heights, y (in centimeters), of a plant after a certain number of weeks, x. Shania drew the line of best fit
4 answers
2,090 views
When the Framers created the legislative branch of government, why did they decide that this branch would have a bicameral
1 answer
958 views
Victoria buys two pairs of sunglasses for $8 each about how much did she pay for both pairs of glasses round to the nearest ten
3 answers
751 views
A set of data with a mean of 64 and a standard deviation of 5.9 is normally distributed. What value is within +3 standard
1 answer
434 views
What is the airspeed relative to the ground of an airplane with an airspeed of 120km/h when it is in a 90-km/h crosswind?
1 answer
1,181 views
which of the following is TRUE? (Points : 1)
IQ does not change. IQ tests favor minority groups. IQ tests typically measure
1 answer
556 views
Goran borrowed 8000at a rate of 7%, compounded semiannually. Assuming he makes no payment, how much will he owe
1 answer
601 views
"Calculate the enthalpy of vaporization of water given that, when 5.00 grams of steam (gaseous H2O) at 100°C was introduced
1 answer
1,065 views
Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon.
A] draw a diagram to show the relationship
1 answer
578 views
The height in feet of a free falling object t seconds after release is s(t)=-16t^2+ v_0t+s_0, where s_0 is the height(in feet)
2 answers
1,162 views
Can you please check my answers and help me fix the one I don't or or did wron .
The height in feet of a free falling object t
1 answer
816 views
in what ways did politicians expect confederation to solve economic problems in the colonies?
1 answer
768 views
Explain why few Black people, Native people, or other minorities became involved in the Rebellions of 1837
1 answer
473 views
3 Cl2 + 6 KOH go to KClO3 + 5 KCl + 3 H2O how many moles of KClO3 form when 2 grams of KOH react completely
1 answer
606 views
A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?
1 answer
845 views
A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?
3 answers
2,281 views
It is claimed that 70% of the cars on the Valley Highway are going faster than 65 miles per hour. A random sample of 12 cars was
0 answers
918 views
A swimmer dives off a block into the water. The block is 31 inches above the surface of the water. Using projectile motion, what
0 answers
464 views
A spherically symmetric object with radius R= 0.51m and mass of M= 3.5kg rolls without slipping accross a horizontal surface
1 answer
972 views
You are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the water
2 answers
2,248 views
Which function models the number of mold spores on the bread after x days?
1 answer
713 views
Where in nature can you see patterns of mathematical concepts?
1 answer
37,844 views
List All Of The Integers There Are Between The Square Root Of 13
1 answer
362 views
If Energy equals MC squared what does light equal?
1 answer
408 views
A 190 mL sample of 0.293 M NaCH3CO2(aq) is diluted to 750 mL. What is the concentration of the acetic acid at equilibrium? Ka
1 answer
923 views
The united states supreme court case United States v. Nixon led to
A. gaining executive privilege B. limits to executive
1 answer
684 views
For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in
2 answers
524 views
The Bourbon Democrats would have been likely to support which of the following? (Choose all that apply.)
1. lower taxes 2. less
5 answers
1,687 views
Pages
1
2
3
4
5
6
7
8
9
10