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lee
Questions and answers by visitors named
lee
Questions (248)
a hyperbola has vertices (+-5,0) and one focus (6,0) what is the standard form equation of the hyperbola.
5 answers
asked by
lee
7,195 views
Can someone check my answers please and if Im wrong please explain.
1) graph 4x^2+4y^2=64. what are the domain and range?
57 answers
asked by
lee
19,023 views
how do the graphs of y=1/x and y=3/x-4 compare?
a) compared to the graph of f=1/x the grapg of y=3/x-4 is vertical stretch by
18 answers
10,412 views
Could someone check my work;
1. Generate the first five terms in the sequence using the explicit formula. yn = –5n – 5 –30,
35 answers
27,936 views
Skip designs tracks for amusement parks. For a new design the track will be ellipitical if the ellipse is placed on a large
5 answers
2,078 views
How far apart are the foci of an ellipse with a major axis of 26 feet and a minor axis of 24 feet?
6 answers
2,243 views
Can anyone help explain how to work this problem out?
One factor in flood safety along a levee is the area that will absorb water
10 answers
3,972 views
a polynomial equation with rational coefficients has the roots 7+sgrt3, 2-sgrt6 find two additional roots
7-sgrt3, 2+sgrt6
25 answers
asked by
lee
9,871 views
Can someone help with inverse relations and functions?
is relation t a function? Is the inverse t a function? chart looks like: x
8 answers
6,701 views
What is a main idea? (1 point)
a lesson that is not stated in a text an action that leads to the main event in a text a short
16 answers
asked by
lee
14,446 views
13. Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as
follows: Cu2S(s) + O2(g) „_ 2Cu(s) +
4 answers
2,224 views
A ball was thrown with a velocity of 150 ft/ s at angle of 45 degrees above the horizontal.
a)Find the range and the time of
5 answers
1,333 views
Simplify the rational expression state any restrictions on the variable
t^2+2t-24 / t^2-36 I got t-4 / t-6, but Im not sure of
6 answers
4,963 views
what is the quotient in simpliest form state the restrictions on the variable
z^2-4/z-3 divided z+2/z^2+z-12 i got z^2+2x-8 but
17 answers
5,808 views
what is an equation of a parobola with the given vertex and focus?
vertex(5,4) and focus(8,4) Can someone show me the steps to
7 answers
3,706 views
find an equation that models the path of a satelite if its path is a hyperbola, a=55,000km and c=81,000km assume that the center
1 answer
1,146 views
calculate the resistances of (a) 100-watt 120-volt incandescent lamp, (b) a 750-watt 115-volt toaster, (c) a 1300 watt 110-volt
5 answers
4,388 views
The voltage across the plates of a capacitor at any time t seconds is given by V=Ve -t/CR, where V,C and r are constants. Given
4 answers
2,563 views
Saturn rotation and revolution compared to earth
1 answer
341 views
The roots of the equation x^4 - 3x^2 + 5x - 2 = 0 are a, b, c, d. By the relation y=x^2, or otherwise, show that a^2, b^2, c^2,
1 answer
585 views
proof that x^0 = 1
x<sup>5</sup> ------------- = X<sup>5</sup> x*x*x*x*x ----------- = 1 = x*x*x*x*x x<sup>5-5</sup> =
1 answer
280 views
write 9.03 x 10^-2 in standard notation.
That is 9.02 hundreths, or 0.0902 Celsius temperatur readings can be converted to
3 answers
792 views
who knows what the word colloquial means
3 answers
301 views
I have a test Tuesday and i can't figure out who San Saba is. Please help if you know who he is.
7 answers
511 views
what are a couple different themes about the book
1 answer
348 views
if x+20-x=0 how do i find what x is
1 answer
265 views
Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials
2 answers
691 views
Should Boeing and other companies go along with China’s terms, or should they risk losing sales by refusing to transfer
1 answer
440 views
A teacher did this problem with us in class but I dontn get it please explain.
2xy + 6 ------- 3y + 4x
1 answer
254 views
we use algebra, the letters stand for numbers + the letters are short for words can you give me answers
1 answer
423 views
equation of a line in slope intercept for that passes through (4,3) and (7,-2)
1 answer
269 views
what it is about regional trade blocs that puts small companies in particular at a disadvantage versus multinational companies.
1 answer
443 views
what is the probability of getting a sum of 16 in tossing three standard cubical dice? answer as a common fraction.
i don't get
1 answer
421 views
identify the linguistic, political, social, economic, religious, and familial conventions and/or statuses of four hispanic
1 answer
353 views
There are at least 5 more than twice as many students taking algebra 1 than taking algebra 2. If there are 44 students taking
6 answers
484 views
2xy + 6
-------- 3y -4z if x= 2, y=6 anwser 3 this is a question from in class i don't get. Could you explain to to me
4 answers
411 views
the lcm is 30 the gcf is 2 whats the pair of numbers for each set of conditions
4 answers
1,212 views
put least to greatest
3.7,3.2,35/8
6 answers
352 views
you are making gift baskets.each basket will contain three different kinds of candles: tapers,pillars, and jar candles. Tapers
4 answers
1,946 views
find 4 ways to show 25 cents..
4 answers
257 views
A teacher did this problem with us in class but I dontn get it please explain.
2xy + 6 ------- 3y + 4x x = 2 y = 6 answer 3
1 answer
416 views
If 30 N of force is exerted over an area of 20 m2, how much pressure is being applied?
3 answers
366 views
you are given two equations which are both true , and yiu are asked to solve for both x and y. you plane to solve this set of
3 answers
1,068 views
choose one animal species. Your goal is to describe the way in which an evolutionar change might occur for a particular
2 answers
915 views
A military jet flies directly over and at a right angles to the straight line course of a commercial jet. The military jet is
2 answers
770 views
A jet takes the same time to travel 2500km with the wind as it does to travel 1900 km against the wind. If its speed relative to
2 answers
1,266 views
A military jet flies directly over and at a right angles to the straight line course of a commercial jet. The military jet is
3 answers
711 views
The length of a carpet is 5 Ft. more than the width. The perimeter is 34 ft. What is the area?
1 answer
356 views
Peaches are $2.00 per pound and mangos are #4.00 per pound. I bought a total of 10 pounds of fruit for $27.00 How many pounds of
1 answer
462 views
rice are $2.00 per lbs. and sugar are $4.00 per lbs. I bougth a total of 10 pounds of both for $27.00 How many pounds of each
1 answer
340 views
how many pounds of uranium are needed to make a nuclear bomb
1 answer
352 views
pitcher throws a ball for 1.98m. the balls mass is .145kg. what is the force on the ball by the pitcher?
1 answer
443 views
The driver of a car traveling at 30 m/s needs to quickly reduce the car’s speed to 20m/s to round a curve in the highway. If
3 answers
709 views
1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different
1 answer
449 views
what would be the simple interest on a $4,500. loan if the annual percentage rate were 6.5%?
1 answer
395 views
How much could I save in a year if I budgeted 1.4% of a $19,250. income?
1 answer
296 views
could someone check these answer please?
solve the following proportion for x. x/8=5/3=0 rueben drove 300 miles using 14 gallons
3 answers
985 views
is these answers correct?
solve the equation: 2x^2 +8x - 17=(x +2)^2= x=-7,3 solve (v-5)^2-63=0, where v is a real number,
9 answers
930 views
could someone please check these roblems for me and if they are not rightWOULD YOU PLEASE HELP E WITH THE CORRECT ONES THANKS!!!
2 answers
623 views
Help Fast PLEASE!!
check for corrections on my problems 1.Rewrte the following in simplified radical form, Assume all variables
5 answers
663 views
I know youall are very busy an that answering posts takes time, but I am in real need of some one to check my questions to see
1 answer
430 views
Hello Reiny, please check these problems for me and if they are not right WOULD YOU PLEASE HELP ME WITH THE CORRECT ONES
4 answers
688 views
is this correct if not can you tell me whaT it is please!!!
32 3/5= 163/5
1 answer
339 views
A metal stays solid at Fahrenheit temperatures below 1691.7 degrees. Determine (in terms of an inequality) those Celsius
3 answers
496 views
whose philosophy suit for environmental issues?
1 answer
297 views
what is the standard for measuring volumes of fluids
1 answer
268 views
difference between hudsons bay company and north west company (what did they do? and how they NWC and the HBC company operated?
2 answers
670 views
a rope is 120 ft long and the water is 20 ft deep. how far is the anchor from a point directly below the boat?
1 answer
361 views
concert tickets are for sale online. there is a handline fee of $3.50 added to the cost of every tickets. if you uy 7 tickets
4 answers
535 views
two identical batteries are connected to different circuit. explain how it is possible for the batteries to supply different
2 answers
708 views
How does geography affect development of a city
2 answers
611 views
which compound will dissolve better in water, NaCl or CsCl...explain!!!
*hint* check eletronegativity!
1 answer
451 views
Please review the following case and use it as the basis for your analysis for this unit. Pay careful attention to the situation
1 answer
923 views
Please review the following case and use it as the basis for your analysis for this unit. Pay careful attention to the situation
2 answers
502 views
You are given a bottle of household vinegar of volume 500 cubic centimeters. Design an experiment to determine its
1 answer
352 views
tana rode a boat 1 km upstream in and hour. rowing at the same rate, she made the return trip downstream in 15 minutes. find the
3 answers
957 views
If a ball is thrown upwards at 20 ft/sec, the height h after t seconds is given by h = -16t^2 + 20t. How many seconds does it
1 answer
441 views
I need help clarifying something. I was under the impression that Human service takes a generalist approach, but in a recent
1 answer
299 views
Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the
3 answers
2,861 views
what is civil engineering?
3 answers
298 views
a health care professional wishes to estimate the birth weight of infants how large a sample must she select to be 90% confident
4 answers
1,411 views
Suppose the area of a square is increasing with time.At the time when the side of the square is 4 meters and the change in area
1 answer
471 views
I want to write sentences about asking people questions. The questions have to do with the future, so in some sense I guess they
6 answers
520 views
Calculate the height of the brain above the heart for an animal with an additional blood pressure of 498 mmHg in the heart. Use
1 answer
365 views
In the annual walkathon, Lee jogs for 5 3/4 miles more than he walks. If he travelled a total of 15 miles, how many miles did he
1 answer
359 views
6) Write with positive exponents: [ 3-3 a-2 b5
c-3 d-4]
1 answer
342 views
6) Write with positive exponents: [ 3-3 a-2 b5
c-3 d-4]
1 answer
310 views
x over 5,2x over 15,3x over 45,12 over 135
Find the value of x in the above sequence
1 answer
355 views
alex has twice as much money as jennifer. jennifer has $6 less than shannon. together they have $54. How much money does each
2 answers
816 views
a cars tank can hold 17 gallons of gas on the freeway and i get 28 miles per gallon and i drive 32 miles whats the amount of gas
1 answer
316 views
above the x axis a dot on the -2 line up to 2.5, and another dot on -3 line up to 4.5, that's on left side, then right side a
3 answers
345 views
Can someone please try and see if you understand what I'm asking.
Says to use vertcal line test to determine which graph
1 answer
440 views
The office manager of a small office ordered 120 packs of printer paper. Based on average daily use, she knows that the paper
4 answers
590 views
Calculate the velocity needed for an object starting at the Earth's surface to just barely reach a satellite in a geosynchronous
3 answers
700 views
I have 1 thousand, 12 tens, 2 hundreds, and 2 ones. What number am I?
5 answers
2,254 views
Use synthetic division to find P(3) for P(x)=x^4-6x^3-4x^2-6x-2
Can someone please explain
2 answers
936 views
What is cubic polynomial function in standard form with zero 1, -2, and 2
3 answers
772 views
what is the relative maximum and minimum of the function.
f(x)=x^3+6x^2-36
6 answers
725 views
miquel is designing shiooing boxes that are rectangular prisms the shape of one box with height h in feet has a volume defined
3 answers
714 views
suppose the polynomial function below represents the power generated by a wind turbine where x represents the wind speed in
3 answers
638 views
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