Posts by JAY

Total # Posts: 1,710

Maths
For what values of k does the graph of y=5x^2 + kx + 1 have: a. One x-intercept b. two x-intercepts c. No x-intercepts

Maths
Find the possible equations of each of the following quadratics if their equation is of the form y = (x-h)^2 and their graph passes through the point: a. (1,16) b (3,9)

Maths
Two missiles, 2420 km apart, are launched at the same time and are headed towards each other. They pass after 1.5 hours. The average speed of one missile is twice that of the other. What is the average speed of each missile?

Maths
1.A projectile's height (in metres) is given by the expression t(14-t), where time t is in seconds. How long is the projectile above a height of 40m? 2. The area of a right-angled triangle is 60 square units and the lengths of the two shorter sides differ by 7 units. Find ...

Math
0 Tutors Online Right Now Math 20-1 Help What is this? What is tutors online right now mean? I need help What are points? See all FAQ Aron is training for a 10 km marathon swim in 19 weeks. Each week, his training plan includes a long distance swim. In week six, Aron swam a ...

Math-- algebra 2
x^2

Maths
In a race, each of the four greyhounds run at its own constant speed. They all start at the same point on a circular track and at 30 seconds into the race, while all are still on their first lap, they have spread out so they are at four corners of a square. How many seconds ...

Maths
In the country Fivethree, they have only $3 and $5 notes. How many amounts, from $1 to $100 inclusive, cannot be made up exactly with these notes? A. 2 B. 3 C. 4 D. 7 E. 21

chemistry
A single, neutral iodine atom has

College Physics
A car of mass 1000 kg is traveling at a constant 25.0 m/sec along a straight, level highway. There is a force of thrust acting on it in the forward direction (the direction the car is moving) of 3000 N. There are drag forces and forces of rolling friction opposing the motion ...

Math
A water cooler can hold 40 litres of water when full what fraction of water is left in the cooler if 16 litres is used?

geometry
Jose is planning to spread fertilizer on his rectangular yard.His yard has a length of 40 ft and width of 25 ft.How much fertilizer does he need

Math
Printer A prints 50 cards per minute while Printer B prints 40 cards per minute.How long will it take both printer working simultaneously to print 1350 cards together?

math
a , c and d @steve

math
Select the equation in which the graph of the line has a positive slope, and the y-intercept equals -8. Question 1 options: 5x + y = 50 5x - 10y = -12 x - 2y = 10 10x - 5y = 40

math
100 ft rope is cut in two pieces so that the larger piece is 2 less than twice the shorter piece. What is the length of the larger piece?

math
What would you need to multiply by in order to solve this system of equations using the linear combination (elimination) method? {6x?2y=4 7x+5y=3 Multiply the 1st equation by 3 and leave the 2nd equation alone. This will eliminate the y's when you add the two new equations...

English
cultural

English
The play "Latins in La-La Land" would be an example of _____. Question 8 options: A) Historical Theatre B) Political Theatre C) Cultural Theatre ** D) Commercial Theatre

math
that makes no sense to me

math
Which function grows the fastest for large values of x? f(x)=1.5x f(x)=8x f(x)=3x f(x)=4x2+3

math
add x^2 to each side? @steve

math
Jimmy began deriving the quadratic formula as shown. ax² +bx +c = 0 x² +b/ax+c/a=0 x² +b/ax=?c/a x² +b/ax+(b/2a)² =?c/a+(b/2a)² What should Jimmy do next? Subtract x² from each side. Factor the trinomial. Add x² to each side. Subtract ...

English
i think its denouement

English
My bad. It was in "The little foxes"

English
A raisin in the sun. Regina allows Horace to die. A) Falling Action B) Climax C) Resolution D) Denouement

Math Algebra
Ann is 8 years older than Dawn. Dan is 5 years younger than Dawn. The sum of their ages is 108. How old is Dan? Please explain work too.

chemistry
How many grams of ammonia are produced when 32g of nitrogen react with excess hydrogen? N2 + 3H2 --> 2NH3

LA
What is the climax of Mieko and the fifth treasure.

Physics
Two pellets, each with a charge of 0.80 microcoulomb (8.0×10?7 C ), are located 2.8 cm (2.8×10?2 m ) apart. Part A Find the electric force between them.

algebra
What is the domain for f(x)=8(2)^x

life
what is gay?

Math
Hi Steve Actually the diagram given is already drawn in 2D!. I couldnt figure out that if I think in 3 D then T is above point A and will make a right angle with the lines AB and AC Thanks so much for opening my eyes and helping me visualize the diagram from a different angle...

Math
Thanks Steve, BUt How do you know its a right angled triangle so that you can apply tan

Math
A, B and C are 3 points on the level ground.B is due south of A . The baering of C from A is 085. A vertical mast of height 50m stands at A. The angle of elevation of T from B is 44 and the angle of elevation of T from C is 28 Calculate AB,AC, CB

Algebra
The Community Recreation Center is developing plans for a new sports facility. Community members can submit suggestions for the new facility, along with basic scale drawings of their ideas. Elena wants to include a new 15- by 30-meter basketball court in the athletic center. ...

Civil Rights History
I am stuck on a homework question, and I can't seem to find any information on this. Which organization was considered by many African-American leaders as the most progressive toward civil rights issues in the 1930s? a. Communist Party of the USA b. Republican Party c. ...

Chemistry
How much oxygen (in grams) will form from 44.2 mg of N2O5? 2N2O5(s) ? 4NO2(g) + O2(g) ____× 10^-3(g) O2

PHYSICS
A person with the weight of 691 N stands on a bathroom scale in a motionless elevator. The elevator begins to move and the scale momentarily changes to 499 N. (a) Draw a force diagram of the situation. (b) Create a qualitative vertical equation for this situation. (c) ...

geometry
The foot of a 25-foot ladder is 15 feet from a wall. If the ladder is pushed until its foot is only 7 feet from the wall, how much farther up the wall is the ladder pushed?

math
The box and whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School.

Science
Granite lasts a long time when it is used for building in areas where

math
A triangle has vertices at S(4,1), T(2,-3),and U(4,0). The triangle is translated up 3 units. What are the coordinates of the vertices of the image?

chemistry
A mixture of H2(g) and N2(g) has a density of 0.221 g·L?1 at 301 K and 501 torr. What is the mole fraction composition of the mixture?

Social Studies
It is D

maths
Georgia spent 1÷5 of her money on sweets and used the rest to pay for her savings. What fraction of her money did she pay as saving?

stats
Based on data from a statistical abstract, only about 10% of senior citizens (65 years old or older) get the flu each year. However, about 27% of the people under 65 years old get the flu each year. In the general population, there are 15% senior citizens (65 years old or ...

Chemistry
jk

Exponential
In 1626, Peter Minuit traded trinkets worth $24 for land on Manhattan Island. Assume that in 2014 the same land was worth $4 trillion. Find the annual rate of interest compounded continuously at which the $24 would have had to be invested during this time to yield the same ...

math
The graphs of ? f(x)=?5/3x+9 ? and ? g(x)=2^x?1? intersect at (3,?4) . What is the solution of ?5/3x+9=2^x?1 ? Enter your answer in the box.

math
What is the solution of the system of equations? y=5/6x+1 ?x+y=2 Enter your answer in the boxes.

math
What is the solution of the system of equations? 13x?6y=2 3x?4y=?10 Enter your answer in the boxes.

math
A birch tree that is 4 ft tall grows at a rate of 1 ft per year. A larch tree that is 6 ft tall grows at a rate of 0.5 ft per year. Let the variable t represent time in years and h represent height in feet. In how many years will the trees be the same height? Which system of ...

math
What is the solution of the system of equations? 13x?6y=2 3x?4y=?10 Enter your answer in the boxes.

math
Solve. 2d?e=7 d+e=5 Use the linear combination method. The solution is (3, ?1) . The solution is (4, 1). There are infinitely many solutions. There is no solution.

math
b?

math
Solve. y=x?8 2x+3y=1 use the substitution method. (4, ?4) (5, ?3) (2, ?6) (0, ?8)

PHYSICS
A lemming runs horizontally off the side of a 27.8 m cliff at 1.12 m/s. How long will it take for the lemming to hit the water? How far will it travel in the horizontal direction?

math
What is the y-coordinate of the solution of the system of equations? y=2x+14 ?4x?y=4 Enter your answer in the box. y = ?

physics
If a golden eagle is flying due west with a speed of 32 mph, and encounters a wind that blows it north at 11 mph, what is the resultant velocity of the eagle in m/s? At what angle must the eagle be heading in this direction?

spanish
how would you say, "I like art class" in Spanish?

history
what is a buffer state? a.) a neutral state that helps prevent conflict between warring states. b.) a politically active state that helps stir up regional discord c.)a state that serves to buffer the economic wants of neighboring nations d.) a state that is tougher than others...

math
Help... 1. -1 3/4 writing as the quotient of two integers. 2. -0.73 writing as the quotient of two integers.

Chemistry
Calculate the pH of HCL if you have 10.0g in 5.0L of solution

Math
An item is regularly priced at $95 . It is on sale for 80% off the regular price. How much (in dollars) is discounted from the regular price?

Calculus
Write an expanded polynomial equation based on the following information. A cubic function with a zero x=3 (with multiplicity 2), a zero at x=2, and a constant term of 18.

Geometry
Angle C and Angle D are supplementary angles. If the measure of Angle D is nine less than twice the measure of Angle C, find the measure of Angle D. PLEASE HELP!!! I have no idea where to even start!

Physics
determine the magnitude and direction of the net force acting on q0 where q0=1uC ,q1=-1uC,q2=2uC and q3=-4

Math-algebra
Find k so that the line through ?(4, 1) and? (k, 3) is a. parallel to 8x+9y=18 y= -8/9x + 8/9 ? b. perpendicular to 3x+4y=8 y= -3/4x +2 I have solved both equation and found the slope, but I am not sure were to go from there. When I tried it the first time I got -17/2 for K. ...

Applied Calculus
From a height of 25 meters a ball is thrown vertically upwards at a velocity of 5 meters per second. a. What time in seconds will the ball reach its maximum height? b. What is its maximum height? c. When will the ball strike the ground? d. What will be the ball’s velocity...

Physics
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start breaking is 1.0 ...

Physics (9th)
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start breaking is 1.0 ...

Find the equation of the perpendicular line
Find the equation of the perpendicular line passing through the midpoint of the line segment connecting (?2, 7) and (7, ?1).

find the equation
Find the equation in standard form for the line that satisfies the given requirements. slope ?3, x-intercept (8, 0)

Standard Form
Find the equation in standard form for the line that satisfies the given requirements. horizontal line through (?8, ?9)

Standard Form
Find the equation in standard form for the line that satisfies the given requirements. passing through (1, 5) and (2, 6)

Specify a Period on the graph
y = 2 cos(5?x) .... whats the period?

Calculus
Solve the quadratic equation by factoring. (Enter your answers as a comma-separated list.) 5x2 ? 23x = ?12

Ophthalmic
Where must an object be placed in front of a plus lens in air of focal length 8cm to give an image: i. 25cm behind the lens? ii. 25cm in front of the lens?

Physics
I am hopelessly lost and my physics class is a self-paced 100% online nightmare with no assistance available.

Physics
A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopter's.]

English
c

math
The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the discounted price. How much sales tax will be added?

math
Please help!!!!! You earn $240 for your first paycheck. You pay 22% of it in taxes. You decide to put 40% of the remaining money into savings. How much money will you have left to spend? -The amount you pay in taxes is? -The remaining after taxes is? -Write an expression to ...

Math
Jordan's football team gained 12 yards on their first play. On the second play, the team lost 8 yards. Which expression could be used to describe the total yards gained by Jordan's team?

Algebra
debbie anderson cuts a piece of wood measuring 3 3/8 inches into two equal pieces. How long is each piece?

math
Which ordered pair is a solution to the system of equations? {4x+y=2 ?2x+y=5 A. (1, -2) B. (- 1/2, 4) C. (2, -6) D. (7/2, -12)

math
A tree that is 3 feet tall is growing at a rate of 1 ft per year. A 5 ft tree is growing at a rate of 0.75 ft per year. The ordered pair (t, h)(t, h) represents the time, t, at height, h. Which ordered pair represents the year when the trees will be the same height? A. (6, 9) ...

math
What is the fifth term in the arithmetic sequence defined by the explicit formula an=6n?4? Enter your answer in the box. a5=

math
@ms.sue

math
What is the recursive rule for an=2n+11? a1=13;an=an?1+2 a1=13;an=an?1+11 a1=2;an=an?1+11 a1=11;an=an?1+2

math
If f(x) = 3x and g(x) = 3x + 1 + 6. Describe the transformations from f(x) to g(x). A) left 1 and up 6 B) left 6 and up 1 C) right 6 and up 1 D) right 1 and down 6

Literature
It is also important that the verb always agrees with the subject, not the Predicate Noun. In this example, which word is the simple subject? Her award to the students was a virtual high five. Question 4 options: her award students high-five

Literature
D?

Literature
What does this quote reveal about Elie's internal struggle? "For the first time, I felt revolt rise up in me. Why should I bless His name? The Eternal, Lord of the Universe, the All-Powerful and Terrible, was silent. What had I to thank Him for?" Question 5 ...

Literature
Is it A?

Literature
What are the conditions like in the railcars the Jews take to the concentration camps? Question 1 options: A.)They are dirty, Jews are crammed in like animals, there is little food and drink, valuable possessions are taken from them, and then are warned to stay with the threat...

literature
Identify the part of speech for the underlined word in the sentence: After the tiring game, I quickly went to get ice cream and celebrate our hard-fought victory! victory is the one underlined. Question 4 options: A.)noun B.)verb C.)preposition D.)adjective D?

Literature
Thank You!!!!(:

Literature
Why didn't the people of Sighet, Hungary (and other small towns like it) run away or fight back when they were rounded up and sent to ghettos and eventually deported? A.)The didn't believe or understand what they where they were going and what was going to happen. B.)...

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