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Randy

Questions and answers by Randy, page 2

Questions (295)

If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.)x^2+17 x+70
1. 2 answers
2. 600 views
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.)x^2-5 x-6
1. 1 answer
2. 414 views
6y + 11x = -9(a) Solve the equation for y. (Do not use mixed numbers in your answer.) y =
1. 2 answers
2. 529 views
Let x = 1, y = 3. Find the value of the given capital letter.N = x**2 + 2 xy + y**2 + 3
1. 1 answer
2. 336 views
text((a) ) (4 L)/(5) = 3L = Incorrect: Your answer is incorrect. text((b) ) 3 = (4 M)/4 + 11
1. 1 answer
2. 245 views
Solve the equation.2(W + 4) - 3(W + 2) = 0
1. 1 answer
2. 360 views
x2 - 5x + 5 = 0
1. 1 answer
2. 233 views
Factor the expression by using areas.x^2+2 x-8
1. 1 answer
2. 262 views
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.)3<=1 - y
1. 1 answer
2. 357 views
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.)9-x>=4 x + 34
1. 1 answer
2. 333 views
6y + 11x = -9(a) Solve the equation for y. (Do not use mixed numbers in your answer.) y =
1. 1 answer
2. 350 views
Find the number of decibels for the power of the sound. Round to the nearest decibel.A rock concert, 5.21 multiplied by 10-6
1. 2 answers
2. 935 views
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 multiplied by 102 µm. Find this
1. 1 answer
2. 395 views
Solve the equations by finding the exact solution.ln\(x\) - ln\(9\) = 3
1. 1 answer
2. 410 views
(1)/(2) log\(x\) - log\(10000\) = 4
1. 1 answer
2. 321 views
ln\(e\) = ln\( sqrt(2)/x \) -ln\(e\)
1. 1 answer
2. 277 views
Solve the equations by finding the exact solution.(a) 1 = x - 1 (B)
1. 1 answer
2. 411 views
Solve the equations by finding the exact solution.ln\(x\) - ln\(9\) = 3
1. 1 answer
2. 398 views
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a
1. 1 answer
2. 963 views
Find a simplified value for x by inspection. Do not use a calculator.(a) log5(25) = x (b) log2(16) = x
1. 1 answer
2. 455 views
Select all statements that are true.(log_b\(A\))/(log_b\(B\))=log_b\(A-B\) (If ) log_1.5\(8\)=x, text( then ) x**(1.5) =8.
1. 2 answers
2. 1,366 views
(a) Write the expression in terms of natural logarithms. (Express all logarithmic functions in terms of ln(x) in your answer.)lo
1. 1 answer
2. 893 views
Evaluate the given expressions (to two decimal places).(a) log((23.0) ((b) log_(2) \(128\) text((c) ) log_(9) \(1\)
1. 1 answer
2. 406 views
Use the definition of logarithm to simplify each expression.(a) )log_(3b) \(3b\) ((b) )log_(8b) \((8b)^6\) (c) )log_(10b)
1. 1 answer
2. 379 views
Evaluate the given expressions (to two decimal places).(a) ) log((23.0) (b) ) log_(2) \(128\) (c) ) log_(9) \(1\)
1. 1 answer
2. 405 views
The Greek God Zeus ordered his blacksmith Hephaestus to create a perpetual water-making machine to fill Zeus' mighty chalice.
1. 1 answer
2. 885 views
Consider the following expression.3(x - 2) - 9(x**2 + 7 x + 4) - 5(x + 8) (a) Simplify the expression.
1. 3 answers
2. 456 views
Solve the equations.((a) ) (2 L)/(5) = 2 L = ((b) ) 4 = (4 M)/4 + 8 M =
1. 1 answer
2. 377 views
3x2 = 17x + 6
1. 1 answer
2. 403 views
What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation.
1. 2 answers
2. 618 views
What mass of oxygen is consumed when 1.73L of carbon dioxide (STP) are produced in the following equation.C4H8 + 6 O2 > 4 CO2 +
1. 1 answer
2. 388 views
what volume of ammonia gas will be produced when 1.26L of nitrogen react completely in the following equation?N2 + 3H2 > 2NH3
1. 3 answers
2. 465 views
what volume of ammonia gas will be produced when 8.01 L of hydrogen react completely in the following equation.N2 + 3H2 > 2NH3
1. 2 answers
2. 555 views
What mass of ammonia is produced when 1.73 L of nitrogen (STP)react completely in the following equation?N2 + H3 > 2NH3
1. 2 answers
2. 970 views
the heat of vaporization of water is 2.26kJ/g. how much heat is needed to change 2.55 g of water to steam?
1. 2 answers
2. 764 views
the heat of vaporizaton of water is 2.26kJ/g. How much heat is needed to change 4.2 g of water to steam.
1. 1 answer
2. 369 views
the heat of fusion of water is 335 J/g. How much heat would be required to melt 97.8 g of ice
1. 2 answers
2. 1,078 views
the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g,
1. 2 answers
2. 873 views
The velocity v (in feet per second) of a rock dropped into a well is related to time (in seconds) by the formula v = 32t. What
1. 1 answer
2. 425 views
Use the definition of logarithm to simplify each expression.text((a) )log_(3b) \(3b\) text((b) )log_(4b) \((4b)^6\) text((c)
1. 1 answer
2. 362 views
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a
1. 1 answer
2. 436 views
Write the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places).lo
1. 1 answer
2. 381 views
Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.)x2 - 5x
1. 1 answer
2. 356 views
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.)6<=5 - y
1. 1 answer
2. 319 views
The product of two consecutive positive even numbers is 528. What are the numbers? (Enter solutions from smallest to largest.)an
1. 3 answers
2. 2,320 views
(log\(A\))/(log\(B\)) = (ln\(A\))/(ln\(B\)) (log_b\(A\))/(log_b\(B\))=log_b\((A)/(B)\) text(In )log_b\(N\), text( the exponent
1. 1 answer
2. 343 views
Graph the equation.x = -6
1. 1 answer
2. 274 views
Solve the exponential equation. Give the exact value for x. (Express all logarithmic functions in terms of ln(x) in your
1. 1 answer
2. 504 views
Find the functional values requested in the problem.h(x)=3 x-1 (a) h(0) = (b) h(-7) =
1. 1 answer
2. 897 views
Graph the following first-degree inequality in two unknowns.$$ y > {\color{red}2} x - {\color{red}2} $$
1. 1 answer
2. 313 views
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.)x^2+9 x+20
1. 1 answer
2. 416 views
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 multiplied by 102 µm. Find this
1. 1 answer
2. 368 views
Solve the equations by finding the exact solution.(a) (1)/(3) x - 1 = 1 x = (b) (1)/(3) log\(x\) - log\(10\) = 1
1. 1 answer
2. 396 views
Solve the system.$ \left\{ \begin{tabular}{l} $ y = x + {\color{red}-3} $ \\ $ y = -{\color{red}2} x + {\color{red}9} $
1. 1 answer
2. 327 views
Consider the following expression.\(x + 2 y - 2 z\) - (x - 2 y + 2 z) (a) Simplify the expression.
1. 3 answers
2. 308 views
If the principal P = $500, the rate r = 5 12 %, and time t = 1 year, find the following. (a) What is the amount of interest? $
1. 1 answer
2. 319 views
If the principal P = $700, the interest I = $504, and time t = 6 years, find the following.(a) What is the rate? % (b) What is
1. 1 answer
2. 330 views
Fill in the blanks. (Round your answers to the nearest dollar.)Interest Principal Rate Time Future Value $437 $ 5% 8 yr $
1. 1 answer
2. 374 views
Find three ordered pairs that satisfy the equation.y = 5 x + 8
1. 1 answer
2. 374 views
the heat of fusion water is 335J/g,the heat of vaporization of water is 2.26kJ/g, the specific heat of water is 4.184J/deg/g.
1. 2 answers
2. 575 views
a salt solution is evaporated to dryness. If 25.7 g of the solution leaves 1,949 mg of dry salt, what is the percent
1. 2 answers
2. 502 views
calculate the molarity of an acetic acid solution if 39.96 mL of the solution is needed to neutralize 136mL of 1.41 M sodium
1. 1 answer
2. 413 views
calculate the molarity of an acetic acid solution if 39.96 mL of the solution is needed to neutralize 136mL of 1.41 M sodium
1. 2 answers
2. 1,090 views
how many moles of sodium chloride are in 937 mL of a 1.88 M solution of sodium chloride?
1. 1 answer
2. 383 views
how many grams of NaOH would be needed to make 896mL of a 139 M solution
1. 1 answer
2. 376 views
calculate the molarity of an acetic acid solution if 83.71 mL of the solutions needed to neutralize103 mL of 1.08 M sodium
1. 1 answer
2. 402 views
calculate the volume of 2.27 M Nal that would be needed to precipitate all the of the Hg +2ion from 166mL of a 2.08 M Hg(NO3)2
1. 1 answer
2. 475 views
evaluate z+y/9 for z=74 and y=16
1. 1 answer
2. 276 views
x+2y=9(1)x=8-2y(2)
1. 1 answer
2. 275 views
The width of a rectangle is fixed at 18cm. what length will make the perimeter greater than 86cmthe lenngth must be greater than
1. 1 answer
2. 436 views
y=1777x+27,153 number of y guns after 2000, that is x=0 coorespod to 2000, x=3, 2003 x=4. Predict number of gun deaths in 2004,
1. 1 answer
2. 440 views
train A and train B traveling same direction. train A passes station 9:20, train B passes station 9:32, when will train B catch
1. 1 answer
2. 358 views
Let U = {17, 18, 19, 20, 21, 22, 23}, B = {17, 20, 21, 23}, and C = {19, 20, 22, 23}. List all the members of the sets. (Enter
1. 1 answer
2. 415 views
Convert the following credit card rate to the APR. Nebraska, 0.02192% daily rate. (Round your answer to the nearest whole
1. 4 answers
2. 1,342 views
If the principal P = $500, the interest I = $525, and time t = 7 years, find the following.(a) What is the rate? % (b) What is
1. 1 answer
2. 432 views
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be
1. 2 answers
2. 557 views
Find the amount of interest and the monthly payment for the loan. Purchase a car for $42,800 at 2.4% add-on rate for 5 years.
1. 1 answer
2. 365 views
Make a 5% offer on a Volkswagen New Beetle that has a sticker price of $22,120 and a dealer cost of $20,862. (Round your answer
1. 2 answers
2. 520 views
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one
1. 1 answer
2. 401 views
What are the odds in favor of drawing face card from an ordinary deck of cards?to
1. 3 answers
2. 1,999 views
A history teacher gives a 20 question T-F exam. In how many different ways can the test be answered if the possible answers are
1. 4 answers
2. 460 views
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one
1. 1 answer
2. 463 views
subtract, simplfy by removing a factor of 1 when possible.19dc/d^2-c^2 - d-c/d+c
1. 1 answer
2. 404 views
find Lcm of y^2-36 and y^2+14y+48
1. 1 answer
2. 349 views
t^3+6t^2+9t,t^2-6t find Lcm
1. 1 answer
2. 352 views
simplify z-2/z-4 - z+1/z+4 + z-20/z^2-16
1. 1 answer
2. 297 views
Find the variation constant and a equation of variation where y varies inversely as x and y=1 when x=15
1. 1 answer
2. 466 views
There are approximately 4lbs of muscle for every 7lbs of body weight of a certain animal, how much of the weight is muscle?
1. 2 answers
2. 535 views
Jack usually mows his lawn in 4hrs Marilyn can mow the same yard in 3hrs. how much time it would take for them to mow the lawn
1. 1 answer
2. 465 views
A sample of 134 firecrackers contained 6 duds. How many duds would you expect in a sample of 2,546?
1. 2 answers
2. 580 views
Hat sizes determined by measuring the circumference of one's head in either inches or centimeters. Use ratio and proportion to
1. 1 answer
2. 481 views
radicals multiply and simplify by factoring____ ______ ^3|y^7* ^3|16y^8 unsure how to do root square sign.
1. 3 answers
2. 490 views
sqrt(10a) + 5 sq. rt. (250a^2) add and sinplify
1. 1 answer
2. 382 views
multiply and simplify by factoring. Assume that all expressions under the radicals represent nonnegative numbers.^4 sq. rt.
1. 1 answer
2. 380 views
Suppose the modified quota is 6.47. Fill in the blanks, and round your answers to two decimal places.(a) Find the lower quota.
1. 1 answer
2. 373 views
can someone plz show the steps to solving equation. i believe the answer is 36.(6^5)/(6^3)
1. 1 answer
2. 458 views
A pie plate has a diameter of 22 cm. How much counter space is needed to display 8 pies?
1. 1 answer
2. 364 views
An artifact was found and tested for its carbon-14 content. If 70% of the original carbon-14 was still present, what is its
1. 2 answers
2. 931 views
Darla is buildig a new desk. To make sure she made a square corner, she measures 3ft. from the corner along one edge and 4ft.
1. 2 answers
2. 889 views
can someone help solve square root problem.3+(z-13 - (z+2 help plz.
1. 1 answer
2. 349 views

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