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Samantha

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(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
1. 2 answers
2. 690 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.
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2. 734 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
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2. 681 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
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2. 849 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
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2. 724 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.
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2. 2,468 views
Solve In 4+in(3x)=2 round to the nearest hundredth
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2. 3,485 views
Compare the function with the parent function. What are the vertex, axis of symmetry, and transformations of the given function?
1. 8 answers
2. 6,985 views
Name the property of real numbers illustrated by the equation -3(x+4)=-3x-12
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2. 4,571 views
Use the quadratic formula to solve the equation -x^2 + 7x = 8
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2. 3,101 views
which matrix represents the system of equations below -12x-13y+13z=15
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2. 5,130 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
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2. 590 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
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2. 753 views
A machine produces 75 widgets an hr how many widgets would the machine produce in six mins
1. 1 answer
2. 514 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
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2. 1,072 views
Is there a chemistry teacher for jiskha? Or someone that knows what my teacher is talking about? :’(He wants me to: Calculate
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2. 607 views
1.what is a polynomial function in standard form with zeros 1,2,-2, and -3A. X^4+2x^3+7^2-8x+12 B. X^4+2x^3-7^2-8x+12 C.
1. 1 answer
2. 760 views
In 2000, National data suggested that 26% of all U.S. businesses were owned by women. In 2009, a consulting firm surveyed a
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2. 784 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
1. 2 answers
2. 822 views
Simplify the expression -5+i/2iI typed this problem into mathway and they told me the answer was 1/2+5i/2 but wouldn’t show me
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2. 9,662 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
1. 3 answers
2. 624 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
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2. 619 views
1. I need help solving the system by substitution-x-y-z=-8 -4x+4y+5z=7 2x+2z=4
1. 5 answers
2. 1,755 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
1. 5 answers
2. 543 views
I need help learning to solve substitution.I have a problem that says solve the system by substitution -4.5x-2y=-12.5
1. 2 answers
2. 1,396 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. 1 answer
2. 1,308 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
1. 11 answers
2. 5,990 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 -
1. 3 answers
2. 542 views
A box turtle Marcos found is 0.115 of a meter long.What is this length in expanded form?
1. 4 answers
2. 1,778 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.
1. 2 answers
2. 475 views
1. Identify the correctly punctuated sentence.A. Monarch butterflies migrate long distances each year—other butterflies live
1. 5 answers
2. 5,814 views
1. Read the following passage from "The Swimming Contest"."Come over here, Nahida," the old lady said," and kiss the hand of the
1. 6 answers
2. 4,947 views
1. All of the following quotes from "The Swimming Contest" are intended to foreshadow the future conflict between the narrator
1. 15 answers
2. 13,243 views
Right triangle PQR with the right angle at Q has one side measuring 46 feet and the hypotenusemeasuring 54 feet. Find the other
1. 1 answer
2. 503 views
Is a triangle that has sides which measure 8, 15, and 17 a right triangle? Justify your answer, ie,
1. 2 answers
2. 563 views
A smokestack is200 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. 1 answer
2. 5,284 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. 1 answer
2. 935 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. 1 answer
2. 577 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. 3 answers
2. 1,761 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. 1 answer
2. 1,786 views
Hi! I just want to make sure my answers are correct.(Key: * means that is my answer.) A basketball momentarily changes shape as
1. 4 answers
2. 1,348 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
1. 4 answers
2. 804 views
Solve the given equationcos(θ) − sin(θ) = 1 I got the answer to be 3pie/2 and 0 but its wrong can someone help Thank you
1. 1 answer
2. 438 views
solve the given equationcos(θ) − sin(θ) = 1
1. 2 answers
2. 399 views
Someone please help me prove theseA) cos^4x-sin^4x=cos2x B)tanx=sin^2x/1+cos^2x Please and Thank you
1. 1 answer
2. 526 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. 1 answer
2. 647 views
What ratio of molar concentrations of sodium acetate to acetic acid can buffer a solution at a pH of 4.89?
1. 1 answer
2. 502 views
Compare and contrast the rise and fall of Germany and japan during the period of world war IlPlease help me with this.
1. 25 answers
2. 15,842 views
the eventual evolution of living organisms on earth is based upon the following theory: during the early stages of the earth's
1. 0 answers
2. 550 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. 1 answer
2. 730 views
what was the purpose of the war production boardA. to tell factories how many planes or tanks each factory had to produce. B. to
1. 30 answers
2. 20,084 views
Use the Shell Method to calculate the volume of rotation, V, about the x-axis for the region underneath the graph of
1. 1 answer
2. 724 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. 1 answer
2. 555 views
a statistics professor rolls two balanced dice. Both fall to the floorand roll under his desk. A student in the first row
1. 1 answer
2. 477 views
professor rolls two balanced dice. Both fall to the floorand roll under his desk. A student in the first row informs the
1. 0 answers
2. 535 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-m1-1Please help!!
1. 1 answer
2. 490 views
why did mass culture in the form of entertainment emerge in the 1920's
1. 3 answers
2. 1,632 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
1. 0 answers
2. 1,086 views
Which statements about hydrogen bonds are correct?1) Hydrogen bonds are the interaction between a hydrogen atom bonded to an
1. 1 answer
2. 2,374 views
Which of the following statements about noncovalent bonding interactions is NOT true?Which of the following statements about
1. 1 answer
2. 1,681 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
1. 2 answers
2. 2,206 views
What are two butterfly similes and metaphors that rhyme?
1. 0 answers
2. 604 views
What is a example of a onomatopoeia for a butterfly?
1. 6 answers
2. 2,285 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. 1 answer
2. 940 views
"The judicial Power shall extend to all Cases, in Law and Equity, arising under this Constitution, the Laws of the United
1. 2 answers
2. 949 views
Which process came under scrutiny during the 200 presidential election of George W. Bush? (1 point)A) Due process B) Electoral
1. 1 answer
2. 949 views
Which of the following international actions may a president do without congressional approval? (2 points) Select all that
1. 2 answers
2. 935 views
Factoring with two variablesFactor each polynomial X^2-25x+150
1. 2 answers
2. 477 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?
1. 2 answers
2. 847 views
10. The following balance sheet extract relates to the ABC Company.Bonds Payable $1,600,000 Common Stock $5,000,000 Preferred
1. 0 answers
2. 610 views
The half-life of a certain radioactive element is about1500 years. After 2800 years, what percentage P of a sample of this
1. 2 answers
2. 2,529 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
1. 0 answers
2. 907 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
1. 4 answers
2. 2,056 views
When the Framers created the legislative branch of government, why did they decide that this branch would have a bicameral
1. 1 answer
2. 931 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
1. 3 answers
2. 720 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. 1 answer
2. 418 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. 1 answer
2. 1,142 views
which of the following is TRUE? (Points : 1)IQ does not change. IQ tests favor minority groups. IQ tests typically measure
1. 1 answer
2. 541 views
Goran borrowed 8000at a rate of 7%, compounded semiannually. Assuming he makes no payment, how much will he owe
1. 1 answer
2. 573 views
"Calculate the enthalpy of vaporization of water given that, when 5.00 grams of steam (gaseous H2O) at 100°C was introduced
1. 1 answer
2. 1,029 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. 1 answer
2. 547 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)
1. 2 answers
2. 1,117 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. 1 answer
2. 781 views
in what ways did politicians expect confederation to solve economic problems in the colonies?
1. 1 answer
2. 748 views
Explain why few Black people, Native people, or other minorities became involved in the Rebellions of 1837
1. 1 answer
2. 445 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. 1 answer
2. 570 views
A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?
1. 1 answer
2. 821 views
A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?
1. 3 answers
2. 2,254 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
1. 0 answers
2. 898 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
1. 0 answers
2. 428 views
A spherically symmetric object with radius R= 0.51m and mass of M= 3.5kg rolls without slipping accross a horizontal surface
1. 1 answer
2. 934 views
You are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the water
1. 2 answers
2. 2,217 views
Which function models the number of mold spores on the bread after x days?
1. 1 answer
2. 691 views
Where in nature can you see patterns of mathematical concepts?
1. 1 answer
2. 37,801 views
List All Of The Integers There Are Between The Square Root Of 13
1. 1 answer
2. 347 views
If Energy equals MC squared what does light equal?
1. 1 answer
2. 392 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. 1 answer
2. 904 views
The united states supreme court case United States v. Nixon led toA. gaining executive privilege B. limits to executive
1. 1 answer
2. 643 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
1. 2 answers
2. 504 views
The Bourbon Democrats would have been likely to support which of the following? (Choose all that apply.)1. lower taxes 2. less
1. 5 answers
2. 1,657 views

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