Ask a New Question
Search
sara
Questions and answers by
sara
, page 3
Questions (1,013)
solve for x: 3^2x+3=7^x+1
I 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
3 answers
713 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
4 answers
1,751 views
find the vertex,focus and equation of the direction of y=-1/16(x-6)^2+3
Y=1/2p(x-h)^2+k p=8 h=6 k=3 so I now got (6,3) when doing
3 answers
461 views
find the vertex,focus and equation of the direction of y=-1/16(x-6)^2+3
Y=1/2p(x-h)^2+k p=8 h=6 k=3 (6,3) so vertex is (6,3),
3 answers
445 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
4 answers
2,136 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
3 answers
1,660 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
4 answers
1,129 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
3 answers
1,009 views
The factors of X^4-13x^2+36 when factored completely are
I did x^2(x^2-4)(x^2-9) (X+3)(x-3)(x+2)(x-2) it was multiple choice 1.
1 answer
454 views
In order to successfully perform a trick, a flying trapeze artist must swing along a parabolic path that is equidistant from the
3 answers
1,367 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)
4 answers
1,415 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 answer
311 views
What is the Babylonian King Hammurabi most remembered for today?
A. his code of law B. his great wealth C. his military conquests
18 answers
3,109 views
what is the number of molecules of c2h6o required to have 135 atoms in total?
5 answers
613 views
is this sentence correct?
I have a loving two year old son, whom can sometimes be a handful.
3 answers
526 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,
7 answers
17,685 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
2 answers
599 views
Scott purchases a piano costing $2,630 by taking out a 13% add-on interest installment loan. The loan requires a 15% down
2 answers
527 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 answer
528 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
4 answers
2,550 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 answer
458 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
3 answers
4,446 views
does someone know a good website that includes b.f. skinner in behavioral approach ,or just inform about him?
1 answer
418 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?
2 answers
636 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 answer
403 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
4 answers
3,521 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
3 answers
597 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
2 answers
644 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
4 answers
1,033 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
3 answers
1,399 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 answer
472 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
4 answers
577 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
3 answers
606 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 answer
455 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
2 answers
644 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
3 answers
427 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
4 answers
377 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
4 answers
1,950 views
can somebody please help me with this question I've spent more than 3 hours on this, still nothing
Let L1 be the line passing
4 answers
2,017 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
3 answers
572 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 answer
527 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 answer
585 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
2 answers
765 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
4 answers
413 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 answer
398 views
Can someone help me write a 8 line poem about Romeo and Juliet
1 answer
462 views
Compare -8 ? 10.
Use <, >, or =.
1 answer
368 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
2 answers
561 views
why is the spectrum of hydrogen composed of discrete lines?
2 answers
489 views
Chandra has 2 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium
3 answers
1,522 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
4 answers
730 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
3 answers
2,745 views
Solve the quadratic equation, 2 x2 - 5 x+3
1 answer
292 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 answer
417 views
Estimating the product of a decimal and a whole number what is 8.02 x 70
1 answer
405 views
What is the estimated answer of 0.97x312
3 answers
479 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
3 answers
4,316 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?
3 answers
1,008 views
5/x-3/4x=23/x+6
first 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 answer
322 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 NH3
Calculate the pH for the
1 answer
347 views
I need two perfect numbers. For my activity,I should submit it tomorrow please help me. I need now. Please
5 answers
432 views
if you make guesses for four multiple-choice test questions (each with five possible answers), what is the probability of
2 answers
652 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
3 answers
982 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
3 answers
631 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
3 answers
570 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
5 answers
927 views
PLEASE HELP ME
if you were an entrepreneur, which european country might be the best place to start your new business? explain
10 answers
1,113 views
which pair of expressions are equivalent
A 4(6X) and 10X B 4(6X) and 24X C 4X + 6X and 10 XX D 4X + 6X and 24X
4 answers
1,812 views
Aqueous sodium sulfate reacts with aqueous barium chloride to produce solid barium sulfate and aqueous sodium chloride. the
4 answers
4,313 views
what is the concentration of 24.5g of Ca(NO3)2 in 244mL of water
1 answer
366 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
3 answers
492 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
3 answers
401 views
When is the kinetic energy equal to zero?
3 answers
399 views
The combustion of a polymer gives only carbon dioxide and water. Its average molar mass is 10500g/mol and its degree of
3 answers
597 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
3 answers
615 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
2 answers
512 views
all of the following are techniques of active reading except
3 answers
1,490 views
A example of negative feedback
a. elevated free t4 resulting in elevated trh b. elevated free T4 resulting in elevated tsh c low
1 answer
413 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
2 answers
564 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
2 answers
839 views
The figure here shows four penguins that are being playfully pulled along very slippery (frictionless) ice by a curator. The
2 answers
702 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
2 answers
792 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
3 answers
799 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
3 answers
1,225 views
25pi/3=1/2xsquare root of 100x^2 and plus 50 arcsin(x/10)
1 answer
334 views
exam for ocupational therapy aide
3 answers
295 views
use atomic theory to explain why chemical reactions obey the law of conservation of mass
4 answers
1,006 views
plot sin(1*pi*1000t) +2 where v(t) =1
what does this plot for two periods look liek
2 answers
476 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
4 answers
2,729 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
5 answers
540 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
2 answers
567 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
3 answers
576 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 =
3 answers
897 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
3 answers
536 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
3 answers
2,748 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
3 answers
582 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 answer
496 views
what is the rate of this ratio in its lowest term - 48 gallons in 14 mins
1 answer
405 views
if 40g of KNO3 is dissolved in 100ml water at 25 C WHAT WILL FINAL TEMP BE? SHOW ALL WORK
3 answers
742 views
You are preparing 500 mL of Denaturation Buffer containing 1.5 M NaCl and 0.5 M NaOH. Your stock solutions are 5 M NaCl and 6 M
2 answers
571 views
Pages
1
2
3
4
5
6
7
8
9
10