# Posts by randy

Total # Posts: 394

algesebra
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. from the corner along the other edge. How long should the diagonal be between those two points if the corner is a right angle? round to nearest ...

Homework test
An artifact was found and tested for its carbon-14 content. If 70% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.

math
A pie plate has a diameter of 22 cm. How much counter space is needed to display 8 pies?

algebra
can someone plz show the steps to solving equation. i believe the answer is 36. (6^5)/(6^3)

Math
Suppose the modified quota is 6.47. Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower and upper quotas. (e) ...

algebra
multiply and simplify by factoring. Assume that all expressions under the radicals represent nonnegative numbers. ^4 sq. rt. (810x^8y10)= show steps if possible.

algebra
sqrt(10a) + 5 sq. rt. (250a^2) add and sinplify

algebra
radicals multiply and simplify by factoring ____ ______ ^3|y^7* ^3|16y^8 unsure how to do root square sign.

algebra
Hat sizes determined by measuring the circumference of one's head in either inches or centimeters. Use ratio and proportion to complete the following table. Hat size Head circumference Head circ 71/4 to nearest 1/5 in. near cm.

algebra
A sample of 134 firecrackers contained 6 duds. How many duds would you expect in a sample of 2,546?

algebra
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 together.

algebra
There are approximately 4lbs of muscle for every 7lbs of body weight of a certain animal, how much of the weight is muscle?

algebra
Find the variation constant and a equation of variation where y varies inversely as x and y=1 when x=15

algebra
simplify z-2/z-4 - z+1/z+4 + z-20/z^2-16

algebra
t^3+6t^2+9t,t^2-6t find Lcm

algebra
find Lcm of y^2-36 and y^2+14y+48

algebra
subtract, simplfy by removing a factor of 1 when possible. 19dc/d^2-c^2 - d-c/d+c

ALGEBRA
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 numeral followed by two letters followed by four numerals? (Round to the nearest whole percent.)

ALGEBRA
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 T or F, or possibly to leave the answer blank?

ALGEBRA
What are the odds in favor of drawing face card from an ordinary deck of cards? to

ALGEBRA
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 numeral followed by two letters followed by four numerals? (Round to the nearest whole percent.)

ALGEBRA
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 to the nearest dollar.)

ALGEBRA
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. (Round your answers to the nearest cent.) ALGEBRA Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.)$3,000 balance, 21% ...

ALGEBRA
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 the future value?

ALGEBRA
Convert the following credit card rate to the APR. Nebraska, 0.02192% daily rate. (Round your answer to the nearest whole number.)

ALGEBRA
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 solutions from smallest to largest. If there are any unused answer boxes, enter NONE in the last boxes.) B = C =

math
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 train A

math
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, 2009 and what year of gun deaths will be in 7606.

math
The width of a rectangle is fixed at 18cm. what length will make the perimeter greater than 86cm the lenngth must be greater than cm.

algebra
x+2y=9(1) x=8-2y(2)

algebra
evaluate z+y/9 for z=74 and y=16

chemistry
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 The equation for the reaction is 2 Nal(aq) + Hg(NO3)2(aq) > HgI2(s) + 2 NaNO3(aq) Please Help I'm really having trouble understanding organic ...

chemistry
calculate the molarity of an acetic acid solution if 83.71 mL of the solutions needed to neutralize103 mL of 1.08 M sodium hydroxide. the equation for the reaction is. HC2H3O2(aq) + NaOH(aq) >Na+(aq) + C2H3)2(aq) +H2O(aq) Please show your work i really don't understand ...

chemistry
how many grams of NaOH would be needed to make 896mL of a 139 M solution

chemistry
how many moles of sodium chloride are in 937 mL of a 1.88 M solution of sodium chloride?

chemistry
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 hydroxide. the equation for the reaction is HC2H3O2(aq) + NaOH(aq) > Na+(aq) + C2H3O2(aq) +H2O(aq)

chemistry
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 hydroxide. the equation for the reaction is HC2H3O2(aq) + NaOH(aq) > Na+(aq) + C2H3O2(aq) +H2O(aq)

chemistry
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 concentration (w/w) of the salt in the solution

Chemistry
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. how many grams of ice at 0 degrees could be converted to steam at 100 degrees C by 9,574J

Ashford University
6 Heavy industry

Ashford University
1 Assassination

ALGEBRA
Find three ordered pairs that satisfy the equation. y = 5 x + 8

ALGEBRA
Fill in the blanks. (Round your answers to the nearest dollar.) Interest Principal Rate Time Future Value $437$ 5% 8 yr $ALGEBRA 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 the future value? ALGEBRA If the principal P =$500, the rate r = 5 1 2 %, and time t = 1 year, find the following. (a) What is the amount of interest? $Incorrect: Your answer is incorrect. (b) What is the future value? ALGEBRA Consider the following expression. $$x + 2 y - 2 z$$ - (x - 2 y + 2 z) (a) Simplify the expression. ALGEBRA Solve the system.$ \left\{ \begin{tabular}{l} $y = x + {\color{red}-3}$ \\ $y = -{\color{red}2} x + {\color{red}9}$ \end{tabular} \right. \$ x = y =

ALGEBRA
Solve the equations by finding the exact solution. (a) (1)/(3) x - 1 = 1 x = (b) (1)/(3) log$$x$$ - log$$10$$ = 1

ALGEBRA
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 multiplied by 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.) M =

ALGEBRA
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.) x^2+9 x+20

ALGEBRA
Graph the following first-degree inequality in two unknowns. $$y > {\color{red}2} x - {\color{red}2}$$

ALGEBRA
Find the functional values requested in the problem. h(x)=3 x-1 (a) h(0) = (b) h(-7) =

ALGEBRA
Solve the exponential equation. Give the exact value for x. (Express all logarithmic functions in terms of ln(x) in your answer.) text((a) ) e^x = 10 x = text((b) ) e^x = 2.0 x = text((c) ) e^x = 37.9 x =

ALGEBRA
Graph the equation. x = -6

ALGEBRA
(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 is )N. text(If ) log_1.5$$8$$=x, text( then ) x**(1.5) =8. log$$500$$ text( is the exponent on ) 10 text( that gives ) 500.

ALGEBRA
The product of two consecutive positive even numbers is 528. What are the numbers? (Enter solutions from smallest to largest.) and

ALGEBRA
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 6<=5 - y

ALGEBRA
Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.) x2 - 5x + 5 = 0 x = x =

ALGEBRA
Write the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places). log_(7) $$80$$

ALGEBRA
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. text((a) ) ln$$3$$-2ln$$4$$+ln$$8$$ text((b) )ln$$3$$-2ln$$4+8$$ text((c) )ln$$3$$-2(ln$$4$$+ln$$8$$)

ALGEBRA
Use the definition of logarithm to simplify each expression. text((a) )log_(3b) $$3b$$ text((b) )log_(4b) $$(4b)^6$$ text((c) )log_(7b) $$(7b)^(-11)$$

ALGEBRA
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 is the velocity of the rock at the indicated instant? Write your answer in the form (t, v). (a) when the rock is released ( , ) (b) after 9 seconds

chemistry
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, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 12.09 g of...

chemistry
the heat of fusion of water is 335 J/g. How much heat would be required to melt 97.8 g of ice

chemistry
the heat of vaporizaton of water is 2.26kJ/g. How much heat is needed to change 4.2 g of water to steam.

chemistry
the heat of vaporization of water is 2.26kJ/g. how much heat is needed to change 2.55 g of water to steam?

Chemistry
What mass of ammonia is produced when 1.73 L of nitrogen (STP)react completely in the following equation? N2 + H3 > 2NH3

Chemistry
what volume of ammonia gas will be produced when 8.01 L of hydrogen react completely in the following equation. N2 + 3H2 > 2NH3 this stuff is so confusing because one little word seems to change the entire process for solving.

Chemistry
what volume of ammonia gas will be produced when 1.26L of nitrogen react completely in the following equation? N2 + 3H2 > 2NH3 Please if someone can just give me the order of operation it will be much appreciated because chemistry is just not my forte.

Chemistry
What mass of oxygen is consumed when 1.73L of carbon dioxide (STP) are produced in the following equation. C4H8 + 6 O2 > 4 CO2 + 4 H2O please help and show your work. My answer for this problem is 11.12g/O2. I have no confidence in my answer.

Chemistry
What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation. 2CO + O2 > 2CO2 please show your work I'm having trouble with Gas Stoichiometry.

ALGEBRA
3x2 = 17x + 6

ALGEBRA
Solve the equations. ((a) ) (2 L)/(5) = 2 L = ((b) ) 4 = (4 M)/4 + 8 M =

ALGEBRA
Consider the following expression. 3(x - 2) - 9(x**2 + 7 x + 4) - 5(x + 8) (a) Simplify the expression.

ALGEBRA
The Greek God Zeus ordered his blacksmith Hephaestus to create a perpetual water-making machine to fill Zeus' mighty chalice. The volume of Zeus' chalice was reported to hold about one hundred and fifty sextillion gallons (that is a fifteen followed by twenty-two zeros...

ALGEBRA
Evaluate the given expressions (to two decimal places). (a) ) log((23.0) (b) ) log_(2) $$128$$ (c) ) log_(9) $$1$$

ALGEBRA
Use the definition of logarithm to simplify each expression. (a) )log_(3b) $$3b$$ ((b) )log_(8b) $$(8b)^6$$ (c) )log_(10b) $$(10b)^(-13)$$

ALGEBRA
Evaluate the given expressions (to two decimal places). (a) log((23.0) ((b) log_(2) $$128$$ text((c) ) log_(9) $$1$$

ALGEBRA
(a) Write the expression in terms of natural logarithms. (Express all logarithmic functions in terms of ln(x) in your answer.) log_(8.5) $$127$$ = Give a calculator approximation (correct to four decimal places). log_(8.5) $$127$$ ~=

ALGEBRA
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. log$$500$$ text( is the exponent on ) 10 text( that gives ) 500. text (In )log_b$$N$$, text( the exponent is )N. text( If ) 2log_3$$81$$=8, text( then ) ...

ALGEBRA
Find a simplified value for x by inspection. Do not use a calculator. (a) log5(25) = x (b) log2(16) = x

ALGEBRA
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. text ((a) ) ln$$3$$-2ln$$4$$+ln$$8$$ ((b) ln$$3$$-2ln$$4+8$$ (c) )ln$$3$$-2(ln$$4$$+ln$$8$$)

ALGEBRA
Solve the equations by finding the exact solution. ln$$x$$ - ln$$9$$ = 3

ALGEBRA
Solve the equations by finding the exact solution. (a) 1 = x - 1 (B)

ALGEBRA
ln$$e$$ = ln$$sqrt(2)/x$$ -ln$$e$$

ALGEBRA
(1)/(2) log$$x$$ - log$$10000$$ = 4

ALGEBRA
Solve the equations by finding the exact solution. ln$$x$$ - ln$$9$$ = 3

ALGEBRA
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 multiplied by 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

ALGEBRA
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 watts/cm2

ALGEBRA
6y + 11x = -9 (a) Solve the equation for y. (Do not use mixed numbers in your answer.) y =

ALGEBRA
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 9-x>=4 x + 34

ALGEBRA
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 3<=1 - y

ALGEBRA
Factor the expression by using areas. x^2+2 x-8

ALGEBRA
x2 - 5x + 5 = 0

ALGEBRA
Solve the equation. 2(W + 4) - 3(W + 2) = 0

ALGEBRA
text((a) ) (4 L)/(5) = 3 L = Incorrect: Your answer is incorrect. text((b) ) 3 = (4 M)/4 + 11

ALGEBRA
Let x = 1, y = 3. Find the value of the given capital letter. N = x**2 + 2 xy + y**2 + 3

ALGEBRA
6y + 11x = -9 (a) Solve the equation for y. (Do not use mixed numbers in your answer.) y =

ALGEBRA
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.) x^2-5 x-6

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