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Let C be a point that varies on the ellipse
x^2/4 + y^2 = 1. Let H be the orthocenter of triangle ABC, where A = (-4,0) and B =
1 answer
157 views
Let C be a point that varies ont the ellipse
x^2/4 + y^2 = 1. Let H be the orthocenter of triangle ABC, where A = (-4,0) and B =
1 answer
161 views
A standard six-sided die is rolled.
What is the probability of rolling a number equal to 3? Express your answer as a simplified
1 answer
198 views
A binding price ceiling is a mandated _____
0 answers
157 views
What is major different between the particles in a liquid and a bass of same substance at same temperature
0 answers
213 views
Innate behavior is(1 point)
instinctual behavior. conditioned behavior. voluntary behavior. learned behavior.
5 answers
4,561 views
write a quadratic equation for which the graphs of the equation opens downward, the vertex is (0,3). the domain includes all
1 answer
313 views
Find the minimum or maximum value of the function.
f(x)=4x²+24x-35
1 answer
319 views
f(x)=4x²+24x-35
3 answers
246 views
A 1.3 kg book is lying on a 0.76 m -high table. You pick it up and place it on a bookshelf 2.0 m above the floor. During this
1 answer
565 views
3.16 the Mesopotamian moment
1 answer
267 views
Hey yall i started a small business you should check it out.
its on Etsy @LizsHomemadeSoapShop i just released a pumpkin spice
0 answers
221 views
the formation of no(g) from n2 and o2 has the following proposed mechanism.
N2 (g) + O2 (g) -> 2 NO (g) step 1 O2 <=> 2O (fast
0 answers
280 views
All (g)
3N2H4 + 4ClF3 <=> 12HF + 3N2 + 2Cl2 The mixture initially consisted of 0.880 atm N2H4 and 0.970 atm CIF3(g). At
0 answers
404 views
A buffer containing 0.30 M HCLO and 0.30 M NaClO has a pH of 7.53. What will the pH be after .010 mol of NaOH is added to 100 ml
1 answer
592 views
Find the pH of a Sol that is 0.15 M HCOOH (Ka = 1.8e-4) and 0.45 M in HCN (KA = 4.9e-10).
Options are 3.87, 2.28, 4.38, 3.05,
3 answers
290 views
2CO (g) + O2 <=> 2CO2(g)
Standard molar energies of formation at 288K is -137 kJ/mol for CO and -450 KJ/mol for CO2, find
3 answers
340 views
The area A of a cross section through the center of a sphere is 32in^2. Find the surface area of the sphere.
1 answer
1,734 views
The circumference of the top rim of the cone-shaped paper cup is 7.17 inches. Find the least amount of paper that can form the
2 answers
1,182 views
2 Na + 2 H2O --> 2 NaOH + H2
You place a 31 g piece of sodium metal in excess water at STP. Calculate the volume of hydrogen gas
1 answer
239 views
Is probably seen this dance before your feet don't ever leave the floor the hardest part is getting arms and hips to move at the
22 answers
15,477 views
According to The Diary Of Anne Frank, why did the Frank family move from Germany to Holland when Anne was a small child?
The
13 answers
1,124 views
49 round to the nearest tenth for pi
1 answer
387 views
Twelfth Night- act 1 scene 3.
For how long does sir Andrew agree to stay?
1 answer
482 views
If the area of a rectangle is given as 2x^2 -2x-12 and the length as 2x-6. What would the breadth be in terms of x?
1 answer
432 views
What was the British Raj?
A. The stock company created by the British Crown to control trade in India B. The British Parliament
4 answers
819 views
Find an equation for the perpendicular bisector of the line segment whose endpoints are (-8,7) and (4,3)
1 answer
1,986 views
Spain has a population of 2015. The men and women together number 1007, and the children together number 1537. How many children
3 answers
525 views
A minor league baseball team plays 89 games in a season . If the team won 17 more than twice as many Games as they lost. How
1 answer
1,210 views
Calculate the boiling point of water if the atmospheric pressure is 767 mmHg.
Thanks!
1 answer
684 views
Electromagnetic waves are ___ electric and magnetic fields.
A. transverse B. constant C. oscillating D. parallel
1 answer
897 views
if a 0.625g sample of magnesium chloride is dissolved in water and then precipitated with a silver nitrate solution,how many
0 answers
1,233 views
Found a gold ring engraved with cop 91© 8 on it, what does this mean? And is there any worth to it
2 answers
3,532 views
Your membership at a movie rental club costs
$12.7 per year. The charge for members to rent a movie is $2.29. At the end of the
1 answer
664 views
Your membership at a movie rental club costs
$12.7 per year. The charge for members to rent a movie is $2.29. At the end of the
1 answer
616 views
Your membership at a movie rental club costs
$12.7 per year. The charge for members to rent a movie is $2.29. At the end of the
1 answer
652 views
A field goal kicker has made 21 out of 30
attempted field goals so far this season. His field goal average is 0.7. How many
1 answer
892 views
Help please
reviewing for test and in my notes I have a comment. Animal cell oraganella are larger than plant cell organella is
2 answers
621 views
Can someone check my work and answer?
Evaluate the integral from -1 to 0 of (4x^6+2x)^3(12x^5+1)dx My work: let u=4x^6+2x
2 answers
745 views
According to a survey conducted in 1990 by
Independent Sector, the percent of their incomes that Americans give to charities is
1 answer
1,303 views
The radius of the Earth is about 6.37 × 106 m.
a) What is the centripetal acceleration of a point on the equator due to the
1 answer
2,005 views
The coordinate plane below represents a town. Points A through F are farms in the town.
graph of coordinate plane. Point A is at
1 answer
2,165 views
Which zone is home to some decomposers, but no producers?
1 answer
1,020 views
The class average on the quarterly exam was65% with a standard deviation of 7%. Is the probability that a student got 70% or
1 answer
602 views
k. (64 to the root of 3)^4
l. (3 to the root of 4)^-8 f. (5^2/5/^2)^-1/2 4. The radius of a sphere r is given in terms of its
2 answers
586 views
i did my question already but i was wondering if someone could double check my work.
the question says to graph the following
1 answer
603 views
Rolinda’s first five Spanish test scores are 85, 85, 60, 62, and 59. a. Find the mean, the median, and the mode of Rolinda’s
5 answers
2,072 views
What is true of a random sample?
A) it is the only way to sample a population. B)Each member of the sample is a volunteer. C) It
4 answers
1,123 views
am i correct on this?
question: solve and check square of 5x+6 is equal to x work and answer: square each side 5x+6=x^2 subtract
1 answer
575 views
could you please double check my work
question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer
1 answer
732 views
70% of 7 graders have iPhone and 60%are in chorus. However, 15% of 7th graders are neither in chorus or own phone. What % of
1 answer
480 views
Which number labels Yasmin's native country of Spain?
A 1 B 2 C 4 D 6 Which number labels Yasmin's current home in Sweden? A 1 B
12 answers
1,647 views
The angles of elevation to an airplane from
two points A and B on level ground are 50◦ and 67◦ , respectively. The points A
1 answer
1,172 views
The triangle in the trapezoid share a 15 inch base and a height of 10 inches. The area of the trapezoid is less than twice the
4 answers
1,279 views
What is a catchy title for an essay about greed?
2 answers
1,400 views
The function C(m) = -.41m^2 + 6.7m - 44/ .7m represents Miles Traveled per lb. of CO 2
released as a function of speed(in MPH)
5 answers
523 views
The compound copper(II) nitrate is a strong electrolyte. Write the reaction when solid copper(II) nitrate is put into water:
1 answer
3,019 views
Compare the values of each of the digits
337 The 3 in the tens place is ---------the value of the 3 in the hundreds place.
4 answers
1,975 views
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work.
4x
1 answer
589 views
Solve the system by the substitution method. Show your work.
2y - x = 5 x2 + y2 - 25 = 0 I solved the problem but I got it wrong
2 answers
811 views
Locate the foci of the ellipse. Show your work.
x^2/36+y^2/11=1 c^2=a^2-b^2 c^2=36-11 c^2=25 c= ± sqrt25 c= ±sqrt5*5 is this
2 answers
512 views
Find the vertical asymptotes, if any, of the graph of the rational function. Show your work.
f(x) = (x-4)/(x(x-4)) (x-4)/x(x-4)
1 answer
1,140 views
Which factor contributed most to Florida becoming a U.S. territory?
a. the outcome of the Seminole Wars b. the weakening of
4 answers
2,523 views
Find the vertical asymptotes, if any, of the graph of the rational function. Show your work.
f(x) = (x-4)/(x(x-4)) How would I
1 answer
776 views
For the data set shown by the table,
a. Create a scatter plot for the data. (You do not need to submit the scatter plot) b. Use
0 answers
1,021 views
Verify the identity. Show your work.
cot2x + csc2x = 2csc2x - 1 1+cosec^2x +cosec^2x Cot^2x+cosec^x= 1+2 cosec^2x Would this be
2 answers
931 views
Solve the equation on the interval [0, 2π).
tan2x sin x = tan2x would it be 0, pi/2 ?
1 answer
1,581 views
Solve the equation on the interval [0, 2π).
cos x + 2 cos x sin x = 0 would the answer be 7pi/6 , 11pi/6 ?
1 answer
666 views
The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a
0 answers
1,162 views
In the formula d=rt d represents distance in miles, r represents average speed in miles per hour, and t represents time in
2 answers
1,741 views
ken has 4 times as much money as Jake. if Jake gave Ken £360 he would still have more money than Ken. whats the least money Ken
1 answer
699 views
A car dealer makes a 12% commission on every car sold. If the dealer sells a car for $10,000, how much does he make in
1 answer
633 views
If 100 students are surveyed, about how many students own 2 or more pets? Explain please
0 pets __________ 1/20 1 pet __________
9 answers
4,230 views
How do I set up a trihybrid punnett square if the cross is TTRRPp x TtRrPp?
1 answer
569 views
How would one solve similar right triangles if the first triangle has y and x as legs and a (altitude) as hypotenuse, and the
1 answer
566 views
The sum of measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what
5 answers
1,944 views
inverse laplace transform of {5/(s-4)^3}
2 answers
1,438 views
Lindsay has 10 inches of ribbon. She buys another three lengths of ribbon, each 5 inches long. How much ribbon does she have
5 answers
2,577 views
Determine the number of grams of water in 7.00 g of copper(II) sulfate pentahydrate.
2 answers
565 views
An experiment requires 0.34 M NH3(aq). The
stockroom manager estimates that 15 L of the base is needed. What volume of 15 M
0 answers
845 views
Working together two people can cut a lawn of grass in 5 hours. One person can do the job alone in 1 hour less than the other.
2 answers
786 views
Joe scores 1770 on the SAT. Assuming that both tests measure the same thing, what score on the ACT is equivalent to Jose's SAT
1 answer
1,337 views
Describe a real-world problem that can be solved using the expression 29 divided by (3/8 + 5/6). Find the answer in the context
1 answer
862 views
Amy is building a house. The basement floor is at -15 feet. The roof of the house is above the ground 25 feet. Express the
1 answer
541 views
Amy is building a house. The basement floor is at -15 feet. The roof of the house is above the ground 25 feet. Express the
1 answer
585 views
A force of 64 N is applied on a body producing an acceleration of 2.4 m/s^2. What is the mass of a body?
3 answers
675 views
Which symbol is used to make -6? |-8| a true statement?
A. > B. < C. = Is the answer B? Thank you
1 answer
691 views
Which set of integers are in the right order from least to greatest?
A. -8,8,6,|-7|,5 B. |-7|,-8,8,6,5 C. -8,5,6,|-7|,8 D.
35 answers
9,604 views
Calculate the pH of a potassium phosphate buffer if the pKa of KH2PO4 is 7.2 and the acid-base ratio is 2:1
I took Chemistry 7
1 answer
627 views
I have a problem that reads as:
-4x-2y=12 4x+8y=-24 And when solved the answer is (2,-2), but I checked the answer in the back
1 answer
429 views
The earliest type of trade was
A. Bartering B. Currency C. Economies D. Cowry shell currency Is the answer A? Thank you
4 answers
2,189 views
Identify the antecedent for the underlined pronoun in the sentence below.
The boy was excited about his date with Sheila, but he
6 answers
4,731 views
What is the 11th term of the following geometric sequence? Enter a whole number
7/9,-7/3,7,-21,63
1 answer
1,756 views
1)Suppose that the weight of tomato juice in mechanically filled cans follows a normal distribution with a mean of 464 grams and
1 answer
707 views
I've tried to do these problems multiple times and I'm just so confused.
1. (root x-5) + 5 = 0 2. (root 2-7x) = 2x Thanks!
2 answers
439 views
Ana had some money. she used 4/7 to buy shoes which cost $96. if she spent another 2/7 to buy a dress how much would she spend
1 answer
768 views
At the beginning of a new school term, a
student moves a box of books by attaching a rope to the box and pulling with a force of
1 answer
1,158 views
Assuming that the lab procedure was conducted in an identical manner in all other respects, if a large quantity of vinegar had
1 answer
887 views
I did a lab on vinegar and titration. The question asks..
In the titration of acetic acid and NaOH the use of the color indicator
1 answer
4,010 views
Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined
1 answer
790 views
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