Questions and answers by

Austin

Questions (359)

There are 52 chickens and goats in a barn. chickens have two legs, and goats have 4. 128 legs in total. How do set this up with
1. 1 answer
2. 537 views
Using in a number sentence the numbers 2...6...and 8 have to equal 11
1. 1 answer
2. 331 views
Calculate the skid to stop distance of a car traveling on a road at 100 kilometers per hour with a coefficient of friction of
1. 2 answers
2. 546 views
Calculate the skid_to_stop distance of a car traveling on a road at 100 kilometers per hour with a coefficient of friction of
1. 1 answer
2. 483 views
A cyclist rides her bike at a rate of8 meters per second. What is this rate in kilometers per hour? How many kilometers will the
1. 4 answers
2. 1,412 views
Calculate the density of a 45g nickel weight and a volume of 22 cubic centimeters.
1. 0 answers
2. 387 views
A hiker shouts when he is at the top of a mountain. He hears an echo 2.4 seconds later from the sounds reflection off a nearby
1. 1 answer
2. 696 views
A cars value is declining exponentially. The car is currently 3 years old and has a value of 18,000. The car sold for 26,000
1. 2 answers
2. 945 views
I don't get what a protagonist is... Please help.
1. 11 answers
2. 620 views
-Scale you will need to use_______________________ | Height:3 |6 | 8 |10 | |Burn time:45|80|120|150| |_______________________|
1. 2 answers
2. 568 views
Ava pours 3 gallons of paint equally into 5 cans. How many gallons of paint will there be in each can?
1. 15 answers
2. 5,589 views
A farmer has 54m of fencing with which to build two animal pens with a common side. one pen is rectangular; the other is square.
1. 2 answers
2. 2,576 views
An object initially at rest experiences an acceleration of 1.4 m/s² for 5.6 s then travels at that constant velocity for
1. 1 answer
2. 2,241 views
Simplify -4(9x-13)
1. 3 answers
2. 372 views
Pail has just enough money to buy 5 erasers and 30 pencils or 10 erasers and 24 pencil. Each eraser costs 30 cents. How much
1. 1 answer
2. 803 views
What does Jiskha mean? I saw this question got asked but not answered and it made me curious.
1. 3 answers
2. 653 views
Mrs Sue, what is your worst subject since you seem to be able to answer them all!
1. 5 answers
2. 607 views
An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the
1. 5 answers
2. 4,734 views
A mass is being pulled forward at a constant velocity of 3 m/s with a force of 15 N. The weight of the mass is 9.0 N.What
1. 2 answers
2. 548 views
A falling toy, mass 10.0 kg experiences an upward force due to air friction of 40.0 N. Find the acceleration of the toy.I
1. 1 answer
2. 464 views
What are all the foci’s for this ellipse?x^2/9+y^2/16=1
1. 1 answer
2. 361 views
The lens and mirror in the figure below are separated by d = 1.00 m and have focal lengths of +74.8 cm and -42.2 cm,
1. 1 answer
2. 1,336 views
Kick is family drank a total of 42.5 gallons of milk in Jan and Feb. her family drank 5.3 gallons more milk in Feb than Jan. How
1. 3 answers
2. 693 views
The sum of two numbers is 70.4. One of the numbers is 9 times the other. What are the 2 numbers?
1. 3 answers
2. 1,232 views
1 The principle of conservation of heat energy states thatthat when an object is at constant temperature or is in thermal
1. 1 answer
2. 666 views
Calculate the value of ΔS when 1.10mol of Br2(l) is vaporized at 58.8 ∘C
1. 1 answer
2. 2,424 views
given a standard deck of 52 cards, 3 cards are dealt. If each card is replaced in the deck (and the deck is well shuffled) after
1. 2 answers
2. 1,360 views
A bookshop has some faction and nonfiction books. 2/5 of. The books are fiction. Of these, 1/5 are mysteries. 1/3 of the.
1. 1 answer
2. 1,057 views
Lita typed 2 times as fast as kala. The ratio of the number of words kala typed to the number of words rose typed was 4:1. If
1. 1 answer
2. 688 views
Kieran's savings is 9/2 of Simeon's savings. Simon saves 28 less than Kieran. How muchdo both of them save together.
1. 1 answer
2. 459 views
The cost of one pound of peanuts is 60% of the cost of one pound of cashews. If one pound of cashews costs $2, what is the cost
1. 8 answers
2. 3,487 views
A .523g sample of a mix of Na2co3 and Nahco3, is titrated with .1 HCl requiring 17 ml to reach the phenolphthalein end point and
1. 2 answers
2. 2,653 views
Gonorrhea is spread through ________.A. semen, l fluid and kissing B. semen and l fluid C. semen, l fluid, and sharing cups D.
1. 1 answer
2. 473 views
how to write a conclusion for Tochi's essay?
1. 1 answer
2. 409 views
Find the pH of 1.0 x10-8 M KOH solutionI tried to find it but i got 6 and that's acidic not basic.
1. 1 answer
2. 1,245 views
Is Young Goodman Brown a dynamic character?
1. 2 answers
2. 1,057 views
Ms. Sue please help!A radio signal travels at 3.00 • 10^8 meters per second. How many seconds will it take for a radio signal
1. 114 answers
2. 19,978 views
Ms. Sue please help!7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total
1. 20 answers
2. 5,510 views
7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your
1. 0 answers
2. 1,185 views
Ms. Sue please help.8. Which would best reduce the amount of energy needed to pull a wagon up a ramp? (1 point) increasing the
1. 17 answers
2. 4,174 views
10. Metal cations are atoms that have a positive charge. What type of bond is a metal cation likely to form? (1 point)covalent
1. 9 answers
2. 1,521 views
Ms. Sue please help!3. Read the passage and answer the question that follows: Many slaves preferred not to escape their horrible
1. 9 answers
2. 4,787 views
Ms. Sue please help!1. Which factor contributed most to the beginning of the women's rights movement in the United States during
1. 4 answers
2. 1,900 views
Ms. Sue please help.1. Coupled with inactivity and poor eating habits, Cary usually feels very sluggish around 10:00 a.m., and
1. 1 answer
2. 769 views
Mrs. Sue please help!A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the
1. 6 answers
2. 1,563 views
Mrs. Sue please help me!7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue
1. 1 answer
2. 672 views
Top ten scores on a quiz in two classes are listed belowClass A 100,100,100,90,95,85,92,98,92,88 class B
1. 4 answers
2. 8,757 views
Find the period and the amplitude of the periodic function.y=-4 cos 8x
1. 5 answers
2. 6,264 views
In triangle RST, angle S is a right and csc R=13/12. What is tan T?13/5 12/13 12/5 5/12
1. 2 answers
2. 927 views
What is the magnitude of the vector with an initial point (2,1) and terminal point (-13,9)? Answers-7.9,12.7,17.0,23.0
1. 1 answer
2. 1,403 views
I'm having trouble trying to figure out how to setup and solve these problems:1) 2,600.0 mL of air is at 20.0C. What is the
1. 1 answer
2. 767 views
Oxygen gas, from the decomposition of KClO3, was collected by water displacement. The pressure and temperature in the lab during
1. 1 answer
2. 1,944 views
Ms.Jackson decided to do a little shopping after school. She stopped at target to buy two new cake pans. One had a 4in diameter
1. 2 answers
2. 521 views
what is the value of a saving account after 12years when $12,000.00 is initially deposited and interest is earned at the rate of
1. 1 answer
2. 520 views
The difference in energy between allowed oscillator states in HBr molecules is 0.330 eV. What is the oscillation frequency of
1. 1 answer
2. 2,195 views
A LiBr molecule oscillates with a frequency of 1.7×1013 Hz.(a) What is the difference in energy in eV between allowed
1. 1 answer
2. 2,510 views
(a) If the first-order maximum for pure-wavelength light falling on a double slit is at an angle of 10.0º, at what angle is the
1. 1 answer
2. 2,810 views
Battery manufacturers compete on the basis of the amount of time their products last in cameras and toys. A manufacturer of
1. 1 answer
2. 1,174 views
how to find the max height of a cat that is thrown at 9.8 m/s and is in the air for a total of 4 seconds.
1. 1 answer
2. 334 views
Briefly outline a procedure you could use to determine the HC2H3O2 concentration in a vinegar sample.What would the pH be at the
1. 1 answer
2. 1,635 views
Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The
1. 0 answers
2. 835 views
One reason for standardizing random variables is to measure variables with:A. dissimilar means and similar standard deviations
1. 0 answers
2. 1,251 views
Hey Mrs.sue, can you answer this question:How does the author establish the setting in the first chapters of the watsons go to
1. 1 answer
2. 525 views
What kind of relationship does Kenny and Joetta have?
1. 3 answers
2. 957 views
How does the writer in the watsons go to Birmingham make the reader sympathize with Larry Dunn
1. 1 answer
2. 619 views
Ft is a periodic function with a period of 7 and an amplitude of 3. What is the period and amplitude of the function
1. 1 answer
2. 465 views
Ft is a periodic function with a period of 7 and an amplitude of 3. What is the period and amplitude of the function
1. 0 answers
2. 418 views
Given that 1g of Phenacetin requires 82mL of hot water to dissolve, or 1310mL of cold water (TY= 3.92g):1) How much water will
1. 1 answer
2. 518 views
How many integers satisfy the inequality\left| \frac { 10(x+1) } {x^2 + 2x + 3 } \right| \geq 1?
1. 1 answer
2. 781 views
ABCD is a quadrilateral inscribed in a circle with AB = 1, BC = 3, CD = 4 and DA = 6. What is the value of \sec^2 \angle BAD?
1. 0 answers
2. 609 views
15. Sagging in floor joists is typically caused byA. oversized joists. B. undersized joists. C. improper nailing of
1. 3 answers
2. 1,294 views
16. Brick ties in brick veneer walls allow forA. water drainage. B. air circulation. *C. expansion. D. inspection.
1. 1 answer
2. 1,221 views
11. Structural failure in a roof may be due toA. the presence of a vapor barrier between the attic floor and the ceiling below.
1. 1 answer
2. 709 views
a 6.33-Liter football is filled with air at 1.75 atm at 25.5 degrees Celcius. At the same temperature, the volume of the
1. 1 answer
2. 572 views
solve the following exponential expression.e^x+e^-x=6
1. 1 answer
2. 312 views
solve the equationlog lower 6(x+9)-log lower 36 x =1 the 6 and 36 should be dropped down, then (x+9) and the x are higher.
1. 1 answer
2. 839 views
use properties of logarithms to condense the loarithmic expression. write expression as a sinle logarithm whose coefficient is
1. 2 answers
2. 623 views
write the expression as a sinle logarithm. express powers as factors.In (x/x-1)+In(x+1/x)-In(x^2-1) Please show work.
1. 1 answer
2. 634 views
Solve the following equation.log4(x+2)=lo4^7 Both of the 4's should be dropped down.
1. 5 answers
2. 389 views
solve the following exponential equation9^x=6 I get In6/In9 what is the answer approximated three decimal places?
1. 1 answer
2. 461 views
Solve the equation in the real number systemX^4+11x^3+24x^2-23x+35=0 Please show work
1. 1 answer
2. 515 views
Find the magnitude and direction of the vector AZ: A(8,8) and Z (1,-3)
1. 1 answer
2. 1,735 views
A plane flying at an altitude of 10,000 feet begins descending when the end of the runway is 50,000 feet from a point on the
1. 0 answers
2. 1,708 views
Calculate the equilibrium constant at 300 Kfor the reaction HgO(s) ↽⇀ Hg(ℓ) + 1/2O2(g), given the data delta S delta h �
1. 1 answer
2. 639 views
Calculate the entropy change when 2.42 g ofH2 reacts with O2 according to the reaction 2 H2(g) + O2(g) → 2 H2O(ℓ) at 298 K
1. 2 answers
2. 2,224 views
Given the standard heats of reactionReaction ∆H0 M(s) + 2 X2(g) → MX4(g) −123.7 kJ/mol X2(g) → 2 X(g) +297.3 kJ/mol M(g)
1. 0 answers
2. 871 views
One mole of carbon (12.0 g) in the form ofcrystalline graphite is burned at 25 ◦ C and 1.000 atm pressure to form CO2(g). All
1. 1 answer
2. 664 views
The combustion reaction for benzoic acidC6H5CO2H(s) + 15 2 O2(g) → 7 CO2(g) + 3 H2O(ℓ) has ∆H0 = −3226.7 kJ/mole. Use
1. 1 answer
2. 1,842 views
Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this?
1. 1 answer
2. 867 views
The enthalpy of combustion of benzoic acid(C6H5COOH) which is often used to calibrate calorimeters, is −3227 kJ/mol. When
1. 1 answer
2. 603 views
When 0.572 g of compound X is burned completely in a bomb calorimeter containing 3000g of water, a temperature rise of 0.461 ◦
1. 1 answer
2. 540 views
The enthalpy of combustion of benzoic acid(C6H5COOH) which is often used to calibrate calorimeters, is −3227 kJ/mol. When
1. 1 answer
2. 876 views
How much heat is required to heat 28 g ofsolid silver from 130 ◦ C to liquid silver at 961 ◦ C? The speciﬁc heat of solid
1. 3 answers
2. 1,463 views
A piece of a newly synthesized material ofmass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at
1. 2 answers
2. 1,830 views
Use the distributive property to rewrite the expression(b+6)8=
1. 2 answers
2. 444 views
y=x+zx=8 z=12 what is that value?
1. 2 answers
2. 282 views
I am so lost!Solve the equation and check the solution -6(t-2)-(t+3)=2 The solution to t is ??
1. 1 answer
2. 406 views
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution?How might you explain your answer to someone who has not
1. 0 answers
2. 325 views
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution?How might you explain your answer to someone who has not
1. 0 answers
2. 394 views
|(2x-5)/3| = |(3x+4)/2|
1. 2 answers
2. 272 views