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Questions (1,095)
A constant electric field is 29, 000N/C is created between two parallel plates. If the potential difference is 140, 000V , how
1 answer
370 views
Two charges +q and −q are separated by a distance d. Find an expression for the potential difference VBA = VB − VA, where
1 answer
1,009 views
A missile is fired with a launch velocity of 15000 ft/s at a target 1200 miles away. How long after it is fired will the target
2 answers
821 views
There are 24 students in a class. One student will be randomly selected as representative on the student council. if there are 9
1 answer
645 views
For some real number b, the graph of the line y = 3 x + b passes through the point (7, −3). What is
its y-intercept?
1 answer
480 views
Suppose f(5)=5, f′(5)=5, g(5)=8, g′(5)=−8, and H(x)=f(x)e^(g(x)).
Find the derivative (dH)/(dx) x=5. H′(5)= ___
0 answers
359 views
Describe hpow you would prepare 2 L of a 0.5 g/ml dextrose solution?
1 answer
724 views
You make cards and sell them for $2.50 each. It costs $1.15 to print each card. You also pay $50 for supplies. How many cards
1 answer
473 views
The area of Mrs. Charleston vegetables garden is 40 square feet.If the width of a garden is feet. What is the length of the
5 answers
259 views
There were six hundred students to a football match the beginning of the match there one thousand students
2 answers
413 views
Suppose f(x)= |x^(2)+2x−63|.
Where is f(x) not differentiable?
1 answer
387 views
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.50 m/s at an angle of
1 answer
1,272 views
In right triangle ABC,BC=8cm and AC=17cm.Find the value of sin C
2 answers
3,331 views
what is the dimension of 100 ft diagonal?
4 answers
716 views
ask not what your country can do for you but ask what you can do for your country,said john ennedy. tell me how to change this
1 answer
519 views
Michael spends three hours cleaning his house you spend equal amount of time cleaning each room you spend a half an hour
2 answers
2,200 views
the total surface of a cube that is y inches on each side.what is the algevraic expression
1 answer
346 views
What thickness of Pyrex glass would have the same R−factor as a 1.0−cm thick stagnant air pocket?
1 answer
420 views
Mr. Adams said that 10 more than 7 times his age is 9 years fewer than 5 times his age with the digits reversed. How old is Mr.
2 answers
565 views
rene needs to determine the equation of a line passing through the point (-1,7) that is parallel to y=-3x-4
a. y=-3x+7 b. y=-3x+4
1 answer
398 views
Sorry the number is 0.8923 which digit is in the thousandths place?
I believe it is the 8 but the 0 is throwing me off
1 answer
1,135 views
Which digit is in the thousandths place am confused by the 0 but I believe the 8 is in the thousandths place.
1 answer
372 views
I have to write this number in word form 1,358,049?
Is it One million, three hundred fifty-eight thousand, forty-five
11 answers
2,494 views
At a school there are 704 chairs to place into 22 classes if the same number of chairs are placed in each class rooms how many
1 answer
567 views
The total land area for the United States is 3537438.98 square miles what is the value rounded to the nearest thousand square
8 answers
1,904 views
a 1350 g projectile is launched with a force of 150N. the length f the firing arm is 1.25 m . determine the velocity
1 answer
408 views
The mass of jupiter is about 1.900*10^24 metric tons.The mass of the sun is about 1.998*10^27 metric tons.about how many times
1 answer
851 views
two trains are at stations that are 800 miles apart. if they start traveling toward each other at the same time one averaging 67
1 answer
714 views
Maria needed 5 gallons of gas to fill her car's gas tank. The mileage odometer read 34,300 miles. When the odometer read
3 answers
1,636 views
How would you convert the repeating nondeterminating decimal into a fraction? 0.151515...
2 answers
1,660 views
An executive committee consists of 11 members: 5 men and 6 women. 3 members are selected at random to attend a meeting in
1 answer
1,518 views
Suppose you draw a card from an ordinary deck of playing cards What are the odds in favor of drawing a face card?
b. What are the
1 answer
2,357 views
A car V8 has a bore of 4 in. and a stroke of 2.5 in., what is the engine size?
0 answers
393 views
A car moving at 120 km/h is 100 km behind a truck travelling at 80 km/h in the same direction. How many km does the car travel
1 answer
754 views
wright the slope-intercept formof the equation of each line given the slope and y- intercept slope=4/5, y-intercept=2
1 answer
429 views
* Does life really start in prenatal development?
* Who are the actual individuals involved in the prenatal stage of development?
1 answer
504 views
Could someone just double check my work
sqrt280x^6/sqrt7x I got 2x^3 sqrt10\sqrtx Also 1/5(30y+40)+2/3(9y-27)=18 I got 7/3
4 answers
579 views
Solve ln(x+8) + ln(x-8) =0.
1 answer
370 views
Solve 14 - ln(2-x)=0. solve for x
-ln(2-x)=-14 ln 1/(2-x)=-14 1=-14(2-x) 1=-28+14x 29=14x 29/14=x not sure where I'm going wrong
2 answers
711 views
Solve 10* 2^{4 x -5} = 41
so 2^{4x-5}=41/10 ln 2 * {4x-5}= ln 41/10 ln 4.1 +5/ ln 2 not sure what I'm doing wrong Thanks
1 answer
368 views
I have a question I would really appreciate the answer. If 15% of my grade is 74% and 96 is 15% of my grade and 40% of my grade
1 answer
797 views
Find all rational zeros of the polynomial function P(x)=x^4 + 2 x^3 - 13 x^2 + 4 x - 30.
Enter the rational zeros in a comma
1 answer
559 views
Find all zeros of the polynomial function P(x)=x^4 + 2 x^3 - x^2 - 2 x .
If there is more than one zero write them separated by
1 answer
472 views
Let f(x)=(x-3)^2(x - 9).
The y-intercept is y= ?-81 or -15 The x-intercepts are x= ?0,3 The end behavior on the right is ?even so
1 answer
361 views
Solve | 4 x+ 4 | = 3. Enter your solutions in a comma-separated list.
x = I came up with -1/4 which is wrong
1 answer
468 views
Solve \sqrt{10-x} + x=8. Enter your solutions in a comma-separated list.
I used the quadratic formula and ended up
3 answers
459 views
Solve 2 x^2 + 3 x - 6 = 0.
The solutions are x_1 = and x_2 =
1 answer
360 views
In interval notation what is 20-|7x+1|>=6
1 answer
466 views
In interval notation what is |7-8x|<10
1 answer
358 views
If the force of the explosion was focused onto a smaller ___________ of the window, then the pressure of the explosion on the
2 answers
1,049 views
Let \ f(x) = 16 - x^2.
Compute the average rate of change of f(x) on each interval. (a) [0,2] (b) [2,4] (c) [0,4]
1 answer
444 views
The equation of the line that goes through the point ( 2, 5 ) and is parallel to the line going through the points ( -2 ,4 ) and
1 answer
571 views
An equation of a line through (-3, -6) which is perpendicular to the line y=-5 x +3 has slope: I know the slope is 1/5 having
2 answers
391 views
What is x/(x-5)-3=5/(x-5)
I came up with 5 but that is undefined
1 answer
319 views
Use the above graph of f(x) to complete the following table for values of its inverse function, f^{-1}(x).
The graph has a point
0 answers
1,474 views
if f(x)=10x+7/6x+3 what is the f inverse
1 answer
397 views
if f(x)=square root of x-4 what is f inverse
I came up with x^2+16
2 answers
343 views
If(x)=4*absolute value of x-7 what is f(x+1)I have tried many ways and do not understand what to do with the x+1.
1 answer
321 views
Healthy pregnant and postpartum women should get at least ________ of moderate-intensity aerobic activity a week.
1 answer
470 views
Create a program that allows a user to select one of the following four menu options:
a. Enter New Integer Value b. Display
0 answers
759 views
for revolutionaries like sam adams,the term------embraced a way of life, a core ideology, and an uncompromising commitment to
1 answer
405 views
Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs.
HNO3(aq)+Li2CO3(aq)
1 answer
1,986 views
Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs.
HNO3(aq)+Li2CO3(aq)
2 answers
8,192 views
Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs.
HNO3(aq)+Li2CO3(aq)
1 answer
843 views
35 percent of the total length of the screen at the movies is 51.8 feet. What is the total length of the screen? Please give
1 answer
463 views
35 PERCENT OF THE TOTAL LENGTH OF THE SCREEN AT THE IMAX IS 51.8 FEET. wHAT IS THE TOTAL LENGTH OF THE SCREEN?
1 answer
627 views
IF THE LOAN IS FOR $18000 AND THE INTEREST RATE IS 6.5%. iF THE INTEREST PAID IS $4680.0 HOW MANY MONTHS IS THE LOAN FOR?
1 answer
438 views
In a 1.00 L container at 272 degrees C 1.3 mol of N2 and 1.65 mol of H2 are added at equilibrium 0.100 mol NH3 is present
1 answer
510 views
2H2S(g)+3O2(g)<-->2SO2(g)+2H2O
SO2(g)+Cl2(g)<-->SO2Cl2(g) I balanced so how do I find the overall equation
1 answer
943 views
f(x)= (12x-18x^4+3)/(5�ã6x^2-11x^4+2)
1 answer
487 views
d(g)--->3/2 e(g)+5/2 f(g) when e increases by .25 mol/l*s how fast is f increasing
1 answer
508 views
12.
Determine if the following is a conjuction or disjunction. y + 4 < -1 or y + 2 > 8 (Points : 1) 13. State how you determined
1 answer
805 views
what is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C
0 answers
382 views
What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C
0 answers
484 views
What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C
0 answers
495 views
What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C
0 answers
502 views
A proton in a linear accelerator has a de Broglie wavelength of 138pm .
What is the speed of the proton?
1 answer
1,065 views
1) Explain the meaning of the notation [a, b, r, w] used in Bayes Theorem
2) Explain how the (r, w) probabilities determine the
0 answers
675 views
how many liters of SO2 measured at STP are produced in the reaction of 6.27 kilogrrams with 234 Liters of O2 at 220 degrees
3 answers
572 views
The coach uses a scale drawing of the soccer field. the diagram uses a scale of 1/4 inches : 30 feet.What are the actual
5 answers
1,689 views
What effects or potential effects do technologically based communication modalities between patients and health carer providers
2 answers
698 views
what court hears specific cases?
1 answer
381 views
why advances are paramount to the historical evolution of criminal investigations
1 answer
393 views
what are the reason behind m&a waves of the 1980 and 1990
1 answer
408 views
A boy on a 1.9 kg skateboard initially at rest
tosses a(n) 8.0 kg jug of water in the forward direction. If the jug has a speed
1 answer
1,005 views
A(n) 0.364 kg soccer ball approaches a player
horizontally with a speed of 19.7 m/s. The player illegally strikes the ball with
2 answers
731 views
Find the polynomial in X where zeros are -2, -1 and 3.
Please someone help me with this. Thanks
2 answers
419 views
how to slove 35cents:$2.25 in ratio
3 answers
1,036 views
a ten foot board has been cut in to 2 pieces, one of the board is x feet long express the other board in terms of x
1 answer
589 views
Nine more than five times a number is that number increased by 45
5 answers
1,061 views
The governor of Texas has
A. strong formal powers granted by the Texas Constitution. B.few formal powers, so the office is one of
2 answers
1,177 views
Charlie Company is expected to grow at an annual rate of 6% indefinitely. The return on similar stocks is currently 11%. Charlie
1 answer
581 views
Prospective employers can legally select employees based on the applicant's?
a.age b.education c.disabilities d.gender I am
1 answer
686 views
Find the percentage of water in Na2CO3*2H2O?
1 answer
608 views
9.03 of Mg combine completely with 3.48g of N to form compound. what is the percent composition of each element in this
1 answer
1,234 views
29.0g Ag combine completely with 4.30g S to form a compound. what is the percent composition of each element in this compound
2 answers
8,180 views
4 multiple choice questions with 3 possible answers. What is the probability of answering the first, third, and fourth question
1 answer
577 views
The best feature of an organizational structure that evolves naturally is its?
A.economy. B.clarity. C.practicality. D.use of
3 answers
1,405 views
A new business has been launched with four employees who work for the entrepreneur-owner. As the owner contemplates growth in
3 answers
578 views
How would you write the following exponential form to logarithmic form:
4^y= (1/64) My answer is: log4(1/64)=y. Am I corret?
1 answer
561 views
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