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find the equation of the inverse of f(x)= 2^x-7 + 5I did x=2^y-7+ 5 -5 -5 x-5=(2^y)(2^-7) 128*x-5=2^y answer y=log of 2
1. 2 answers
2. 512 views
solve for x: 3^2x+3=7^x+1I did 2x+3=log0f3(7)+ logof3(7) (2-log of 3(7))x=log of 3(7)-3 x=log of 3 (7)+log of 3 (3^-3)/log 0f 3
1. 2 answers
2. 788 views
Which is equivalent to y=log of 7(x)a)y=x^7 b)x=y^7 c) x=7^y d) y=x^1/7 I thought the answer was c x=7^y Is this correct? thank
1. 2 answers
2. 1,816 views
find the vertex,focus and equation of the direction of y=-1/16(x-6)^2+3Y=1/2p(x-h)^2+k p=8 h=6 k=3 so I now got (6,3) when doing
1. 2 answers
2. 526 views
find the vertex,focus and equation of the direction of y=-1/16(x-6)^2+3Y=1/2p(x-h)^2+k p=8 h=6 k=3 (6,3) so vertex is (6,3),
1. 2 answers
2. 514 views
a baseball is hit straight up from a height of 6 feet with an initial velocity of90 feet per second. given the equations=-16t^2
1. 3 answers
2. 2,215 views
Which of the following could identify the transformation of a parabola with a vertex of (-4,-6) to a parabola with a vertex of
1. 1 answer
2. 1,717 views
The initial cost for attendance to carnival A is $12and each ride costs $2. The initial cost for attendance to carnival B is $16
1. 2 answers
2. 1,216 views
This question has a few parts to it. I tried but not sure if they are correct.A boy standing on top of a building in Albany
1. 2 answers
2. 1,077 views
The factors of X^4-13x^2+36 when factored completely areI did x^2(x^2-4)(x^2-9) (X+3)(x-3)(x+2)(x-2) it was multiple choice 1.
1. 1 answer
2. 502 views
In order to successfully perform a trick, a flying trapeze artist must swing along a parabolic path that is equidistant from the
1. 1 answer
2. 1,442 views
The expression X^2(x+3)-9(x+3) is equivalent to (x+3)^n(x-3) when n equals?I got an answer of 2 I did X^2(x+3)-9(x+3)
1. 2 answers
2. 1,466 views
If Y=(X) has a range of [3,18], what is the range of Y =1/3f(x-2)-4?I took the first 3-4=-1 Then the 18-4=14 R[-1,14] But I got
1. 1 answer
2. 366 views
What is the Babylonian King Hammurabi most remembered for today?A. his code of law B. his great wealth C. his military conquests
1. 18 answers
2. 3,216 views
what is the number of molecules of c2h6o required to have 135 atoms in total?
1. 4 answers
2. 675 views
is this sentence correct?I have a loving two year old son, whom can sometimes be a handful.
1. 2 answers
2. 604 views
Two cars are side by side. One is 3.9 meters long. The other is 6% shorter. How long is the second car?I know the answer is 3.7,
1. 4 answers
2. 17,867 views
Christina finances a piano for $3,070 by taking out an installment loan for 24 months. The payments were $153.50 per month and
1. 1 answer
2. 670 views
Scott purchases a piano costing $2,630 by taking out a 13% add-on interest installment loan. The loan requires a 15% down
1. 1 answer
2. 613 views
You purchase a hot tub costing $4,600 by taking out a 13% add-on interest installment loan. The loan requires a 15% down payment
1. 0 answers
2. 612 views
Determine the x and y components of the following three vectors in the xy plane.1) A 19-m/s velocity vector that makes an angle
1. 3 answers
2. 2,643 views
Determine whether ΔGHI is a right triangle. G(-2, 1), H(3, -1), I(-4, -4). Can you please show the steps too?Thank you!
1. 1 answer
2. 526 views
The value of Sara's new car decreases at a rate of 8% each year.1.Write an exponential function to model the decrease in the
1. 1 answer
2. 4,565 views
does someone know a good website that includes b.f. skinner in behavioral approach ,or just inform about him?
1. 1 answer
2. 484 views
A prism has a cross section that is a right angled triangle.its volume is 60 cm^3.What could the dimensions of prism be?
1. 1 answer
2. 719 views
Aprism has a cross section that is a right angled triangle.Its volume is 6 cm^3.What could the dimentions of this prism be ?....
1. 0 answers
2. 459 views
If 335 g of water at 65.5 °C loses 9750 J of heat, what is the final temperature of the water? Liquid water has a specific heat
1. 2 answers
2. 3,595 views
can someone check my work for this question?the question is to graph the function of square root of x plus 2 with the plus 2 not
1. 1 answer
2. 679 views
can someone check my work for this question?the question is to graph the function of square root of x plus 2 with the plus 2 not
1. 1 answer
2. 713 views
The question is: the table below lists the total cost for parking for a period of time on the street in NYC. The total cost for
1. 3 answers
2. 1,102 views
On the set of axes below, graph the function represented by y=cubed root of x-2 for the domain -6< or equal to x< or equal to
1. 1 answer
2. 1,469 views
my watch is twelve minutes slow .the bus for which I am waiting should have arrived at 3.49pm but it is five minutes late. What
1. 1 answer
2. 547 views
This is a multiple choice question.What is the solution of the equation 2(x+2)^2-4=28 1)2 only 2)6 only 3)-2 and 6 4)2 and -6 I
1. 3 answers
2. 652 views
The equation d=0.12v^2 + 2.1v models the distance d in feet it takes a car traveling at a speed of v miles per hour to come to a
1. 2 answers
2. 696 views
the percentage increase in price of four items from what they did a year earlier is 72,108,36 and 96 what is the average
1. 1 answer
2. 513 views
suppose a car is driven from town A to town B from town B to town C and from town C to town D which have equal distances at
1. 1 answer
2. 737 views
In one minute, Sasha takes 43 steps. It takes her 301 steps to travel from her house to the shops. If she leaves home at
1. 2 answers
2. 491 views
The question is ax^2+bx+c=(2x-7)(x-3) for all values of x, What is the value of b?The teacher went over and said the answer is
1. 3 answers
2. 425 views
Let L1 be the line passing through the point P1=(−1, −1, 8) with direction vector →d1=[1, 0, −3],and let L2 be the line
1. 1 answer
2. 2,033 views
can somebody please help me with this question I've spent more than 3 hours on this, still nothingLet L1 be the line passing
1. 2 answers
2. 2,103 views
a car is driving at 95 km/h down a highway when a deer runs infront of the car 80 m ahead. if the driver immediately applies the
1. 2 answers
2. 658 views
If an erect person's systolic pressure is measured at 120 mm-Hg at the level of heart, please calculate the arterial systolic
1. 0 answers
2. 593 views
Imagine you are purifying a protein which accounts for 0.001% of the total protein within a cell. How many steps of purification
1. 0 answers
2. 667 views
A bacterium has a genome size of 6.0 X 106 base pairs. There is one Origin of Replication (ORI) and each DNA polymerase
1. 1 answer
2. 834 views
Justin has an I-tunes gift card worth $125. after he downloads his first app, the cards value is $118.01. after he downloads his
1. 3 answers
2. 485 views
Drawing 5 cards out of 13 cards numbered 1 to 13 without replacement, what is the probability of having a sum greater than 40 ?
1. 0 answers
2. 459 views
Can someone help me write a 8 line poem about Romeo and Juliet
1. 1 answer
2. 523 views
Compare -8 ? 10.Use <, >, or =.
1. 1 answer
2. 416 views
The radioactive decay of a substance is expressed by A=A^0 e^ -kt, where the initial amount A^0, decays to an amount A after t
1. 1 answer
2. 666 views
why is the spectrum of hydrogen composed of discrete lines?
1. 1 answer
2. 537 views
Chandra has 2 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium
1. 1 answer
2. 1,609 views
Shari drove for 90 miles in the city. When she got on the highway, she increased her speed by 20 mph and drove for 130 miles. If
1. 3 answers
2. 814 views
Bob needs to wash the windows on his house. He has a 25-foot ladder and places the base of the ladder 10 feet from the wall on
1. 1 answer
2. 2,801 views
Solve the quadratic equation, 2 x2 - 5 x+3
1. 1 answer
2. 341 views
Can you please help with finding rate of change in graphing?One question has times: 0 15 23 30 35 distance:30 70 0 45 60 Can you
1. 1 answer
2. 489 views
Estimating the product of a decimal and a whole number what is 8.02 x 70
1. 1 answer
2. 460 views
What is the estimated answer of 0.97x312
1. 2 answers
2. 542 views
The formula of a trapezoid is A=1/2h(b1+b2)Express b1 in terms of A,h,and b2 I did A=1/2hb1+1/2hb2 A=hb1/2 +hb2/2
1. 1 answer
2. 4,388 views
I have to simplify(-x^5y^4)^4(3x^2y)^2(1/3xy) I did (x^20y^16)(9x^4y^2)(1/3xy) (9x^24y^18)(1/3xy) 3x^25y^19 Is this correct?
1. 2 answers
2. 1,088 views
5/x-3/4x=23/x+6first I made it 20/4x-3/4x=23/x+6 Then I am stuck how to solve the rest of the equation Can you please help.
1. 1 answer
2. 374 views
A solution is made by mixing 25 mL of .35 M LiOH with 15.5 mL of .2225 M NH3. Kb=1.8x10^-5 for NH3Calculate the pH for the
1. 0 answers
2. 405 views
I need two perfect numbers. For my activity,I should submit it tomorrow please help me. I need now. Please
1. 4 answers
2. 511 views
if you make guesses for four multiple-choice test questions (each with five possible answers), what is the probability of
1. 1 answer
2. 724 views
What parts of grammar are the words?Yesterday is history. Tomorrow is a mystery. Today is a gift, which is why we call it the
1. 2 answers
2. 1,066 views
I asked this yesterday and didn't get a response. I know it is difficult since you can't see the picture on my homework. Can you
1. 2 answers
2. 730 views
Is there a way to post a pic to help explain this?(I will try and explain the triangular prism. it has a 90 angle. the long end
1. 2 answers
2. 639 views
I will try and explain this since I can't draw the picture that went with this question.A circular glass overlay was placed on
1. 4 answers
2. 1,044 views
PLEASE HELP MEif you were an entrepreneur, which european country might be the best place to start your new business? explain
1. 10 answers
2. 1,211 views
which pair of expressions are equivalentA 4(6X) and 10X B 4(6X) and 24X C 4X + 6X and 10 XX D 4X + 6X and 24X
1. 3 answers
2. 1,871 views
Aqueous sodium sulfate reacts with aqueous barium chloride to produce solid barium sulfate and aqueous sodium chloride. the
1. 1 answer
2. 4,436 views
what is the concentration of 24.5g of Ca(NO3)2 in 244mL of water
1. 1 answer
2. 417 views
how do i figure out the dilutions of 1.5L of a 15.0% (v/v) NaCl/water solution, what would the concentration of NaCl be if you
1. 2 answers
2. 557 views
what is the value of -3/4-(3/-8)(the 3/4 fraction only has the - on the 3, not the entire fraction) a -1 1/8 B -3/8 C3/8 D 1 1/8
1. 2 answers
2. 447 views
When is the kinetic energy equal to zero?
1. 2 answers
2. 456 views
The combustion of a polymer gives only carbon dioxide and water. Its average molar mass is 10500g/mol and its degree of
1. 1 answer
2. 673 views
can you please check my work.The time in minutes that it took five students to complete the math test was 45, 27, 30, 25, and
1. 2 answers
2. 703 views
Which car is the cheapest to run?Explain why.Bill's car: average fuel composition 20 miles per gallon Sue's car: average fuel
1. 1 answer
2. 571 views
all of the following are techniques of active reading except
1. 1 answer
2. 1,558 views
A example of negative feedbacka. elevated free t4 resulting in elevated trh b. elevated free T4 resulting in elevated tsh c low
1. 0 answers
2. 464 views
A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off
1. 0 answers
2. 624 views
A 0.224-kg volleyball approaches a player horizontally with a speed of 18.0 m/s. The player strikes the ball with her fist and
1. 1 answer
2. 922 views
The figure here shows four penguins that are being playfully pulled along very slippery (frictionless) ice by a curator. The
1. 1 answer
2. 773 views
A daredevil on a motorcycle leaves the end of a ramp with a speed of 35.5 m/s as in the figure below. If his speed is 34.0 m/s
1. 1 answer
2. 876 views
A 61.0-kg runner has a speed of 3.20 m/s at one instant during a long-distance event.(a) What is the runner's kinetic energy at
1. 2 answers
2. 882 views
Ms. Hardin invested $70,000 in three stocks. The first year, stock A paid 6% dividends and increased 4% in value; stock B paid
1. 1 answer
2. 1,339 views
25pi/3=1/2xsquare root of 100x^2 and plus 50 arcsin(x/10)
1. 1 answer
2. 389 views
exam for ocupational therapy aide
1. 2 answers
2. 337 views
use atomic theory to explain why chemical reactions obey the law of conservation of mass
1. 2 answers
2. 1,084 views
plot sin(1*pi*1000t) +2 where v(t) =1what does this plot for two periods look liek
1. 1 answer
2. 515 views
The titration of 5.40 mL of a saturated solution of sodium oxalate, Na2C2O4, at 25∘C requires 29.4 mL of 2.200×10−2 M KMnO4
1. 1 answer
2. 2,819 views
Assume that a device exists between two nodes A and B of a circuit and that the voltages of these two nodes A and B are equal to
1. 4 answers
2. 611 views
A homogeneous rod AB=100 cm of mass m=4kg is suspended from a fixed roof by means of two very light strings OA and O'C having
1. 1 answer
2. 628 views
i do not understand this question and by the way this is not my homework.Reggie sets out from home on his bicycle.First he goes
1. 2 answers
2. 663 views
A skier (m=55.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally.If h =
1. 0 answers
2. 972 views
In September, the ratio of the amount Ray spent and the amount he saved was 4:1. In October, he got a salary raise. He increased
1. 2 answers
2. 626 views
A 48-kg girl stands on a 8-kg wagon holding two 19.5-kg weights. She throws the weights horizontally off the back of the wagon
1. 1 answer
2. 2,866 views
A farmer needs to build a rectangular pen that is 800 square feet and has two bays. What equation can he use to minimize the
1. 2 answers
2. 633 views
When a 10 g sample of copper oxide is reduced by heating in the presence of carbon monoxide, how many moles of copper are
1. 1 answer
2. 578 views
what is the rate of this ratio in its lowest term - 48 gallons in 14 mins
1. 1 answer
2. 463 views
if 40g of KNO3 is dissolved in 100ml water at 25 C WHAT WILL FINAL TEMP BE? SHOW ALL WORK
1. 2 answers
2. 818 views

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