# Posts by Lisa

Total # Posts: 3,467

Physics
A cannon is fired from a cliff 190 m high downward at an angle of 21° with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?

alg2/trig
starting salary for a job is \$30,000 with a guaranteed raise of \$5,000 each year for the first 5 years. write an explicit formula to represent how much money you would earn each year. please somone help!

Chemistry
A 5 gram sample of a hydrate of BaCL2 was heated, and only 4.3g of the anhydrous salt remained. What percentage of water was in the hydrate?

Quantitative Analysis Simulation Modeling
Define operational gaming and give an example.

math
Total purchase is: \$100.00 plus \$15.00, plus \$15.00 or \$130.00. \$130.00 minus the \$50.00 (gift card) leaves the customer with a balance of \$80.00 to pay before taxes.

math
\$22.00 - simply divide 66 by 3 (or 1/3)

trig
starting salary for a job is 30,000 with a guaranteed raise of \$5,000 each year for the first 5 years. write an explicit formula to represent how much money you would earn each year. how much money would you earn in the fifth year?

math
6 Student tickets X \$8.00 = \$48.00 \$78.00 minus the \$48.00 = \$30.00 \$30.00 divided by \$10.00 Adult Cost = 3 adult tickets.

math
a car traveling on a straight road at 20 meters per second accelerates to 26 meters per second in 12 seconds. what is the total distance traveled by the car? please help!

chemistry
A piper delivers 10.04, 10.02, 10.08, and 10.06 mL in consecutive trails. Find the mean volume and the average deviation from the mean...please help some responded but didn't answer the question.

chemistry
Can someone answer please Determine the boiling point of water at 698.5 mm Hg?

chemistry
Determine the boiling point of water at 698.5 mm Hg.

physics
A plane leaves Seattle, flies 77.0 mi at 22.0 degrees north of east, and then changes direction to 50.0 degrees south of east. After flying at 119 mi in this new direction, the pilot must make an emergency landing on a field. The Seattle Airport facility dispatches a rescue ...

math
mallory emailed a funny cartoon to Ann. she told ann to send it to five friends with instructions for each of them to send it to five other friends. after four cycles of emailing,how many cartoons will have been sent? the answer is 156 but i don't know how to get thy ...

American Government POL 201
Locke" use of the term "property"

Biology
can you explain this in words?

Biology
What is the function of water in cellular respiration and photosynthesis? Detailed answer please

Biology
true

Physics
The

alg2/trig
what is the smallest value of k that would make the roots of the equation x^2-2x-k imaginary? please help, no idea how to do this.

trig
How do you decide if csc=74 is greater than or less than cos=74 without using a calculator?

chemistry
A tank contains a mixture of 3.0 mol of nitrogen 2.0 mol of oxygen and 1 mol of carbon dioxide at 25 degrees and a total pressure of 10 ATM calculate the partial pressure in torr of each gas?

Electric
if you measure voltage with a multimeter are the leads of the circuit connected in a series or parallel its series right

Electric
measure resistance with a multimeter in a circuit is the power going to be off or on i think ON

algebra
use this 1/2(b1 + b2)

electricity
if you measure voltage with a multimeter are the leads of the circuit connected in a series or parallel its series right

electricity
measure resistance with a multimeter in a circuit is the power going to be off or on i think ON

electricity
1.2 volts RIGHT

electricity
how many volts does a nickel cadmium produce? VOLTAGE FOR ONE CELL

History
Of the social contract

History
Pelase help me by finding some examples out of this contract. Having undertaken, for the glory of God, and the advancement of the Christian faith and Houour of our King and Country, a Voyage to plant the First Colony in the Northern parts of Virginia, do by these presents ...

science
It's easier to understand It arranges elements according to various attributes

ELA
"It is only with the heart that one can see rightly" and my interpretation of this quote is that If you truly believe in yourself, you can make the right decisions. I need help to relate this quote to ROmeo and Juliet with an appropriate literary element.

math
Find the exact circumference of a circle with diameter equal to 8 ft. I know the answer is 25 ft but the answers I have to choose from are 8, 16 or 64

math
Find the exact circumference of a circle with diameter equal to 8 ft.

math
If you put one dollar a day in the bank and earn 20 percent interest per month, how much would you have in 100 years

english
38. Which of the following sentences contains a helping verb? (1 point) Eduardo looked in the basement, but the puppy wasn’t there. Sakkom hung wind chimes because she loves the sound. Roger has never performed a solo in his life. The leader of the troop took the scouts ...

Biology - Genetics
Please help me!!!! I need help with this practice test question. In Guinea pigs, the brown coat (B) is a dominant over the cream-coloured coat (b), and straight hair (H) is dominant over curly hair (h). Using a Punnett square, complete the cross between a heterozygous brown, ...

Math
Identify the outlier in the data set, and determine how the outlier affects the mean, median, mode and range of the data set. 7,7,4,9,6,26,4,5,8,4 Please help me

basic electricty
Two Ways Of Decreasing The Current In A Circuit? IS it this pentiometer and ampostat or this Yep, lower the voltage or increase the resistance.

BASIC ELEC
NAME THE 5 REQUREMENTS NECESSARY TO HAVE A SAFETY OPERATING ELECTRICAL CIRCUIT 1. CONDUCTOR 2. RESISTOR 3. SWITICH 4. CIRCUIT BREAKER IS THAT CORRECT? NAME 4 CONDUCTORS OF ELECTRICITY 1. COOPER 2. ALUMINIUM 3. BRASS 4. IRON IS THAT CORRECT ? WHAT ARE THE 4 FACTORS AFFECTING ...

statistics

statistics
I'm stuck on a question in MM207... Assume you want to estimate with the proportion of students who commute less than 5 miles to work within 2%, what sample size would you need?

ALGEBRA (SQUARE ROOT HELP)
am confused how would u do this 3√(3)

ENGLISH(romeo & Juliet)
What is the plan the nurse brings back from Romeo? is it this ? The nurse determines to get a ladder, which will allow Romeo to climb into Juliet’s room that night—because they will be married then and will do what married people do.

And you need to do the expirement to answer these questions

Alicia the fraction and mixed number i 1 and 5/14

chemistry
1. Show the e- dot structure for CuCl2, I2 and H2O. State the bond type and name. Show charges where necessary.

chemisstry
1. Show the e- dot structure for CuCl2, I2 and H2O. State the bond type and name. Show charges where necessary.

ENGLISH
is that right ???????????

ENGLISH
I don't get this from Act 2 Scene 3 What are your feelings about Friar Lawrence's involvement? Do you think he is right or wrong? Why? Use two quotes to support your answers. ITS FROM ROMEO AND JULIET

MATH
the square of a number is equal to the sum of 21 and 4 times the number. find the number X=-3 X=7 RIGHT?

pre Alg
3g - 9 = 6 +9 +9 3g=12 divide by 3 you get g = 4

MATH
so its x=7 x= -3

MATH
ok thanks

MATH
the square of a number is equal to the sum of 21 and 4 times the number. find the number WHATS THE EQUATION (AM CONFUSED ?)

its 4 and 5

the sum of the squares pf two postive consecutive even integers is 41. Find the integers.

Economics (inflation)
Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and got a 1898.89% ...

Calculus I Quick Optimization Problem
Could you please explain this problem step by step, thank you! You are planning to make an open rectangular box that will hold a volume of 50 cubed feet. What are the dimensions of the box with minimum surface area?

When the food relationship in a habitat are illustrated by means of diagram, the result is always a complicated web like pattern. This is due to the fact that 1 many consumers are adapted to use more than one food source 2 producer organisms always outnumber the consumer ...

Living environment
IN a natural community in New York State, the producer organisms might include (1) bacteria , fungi, and viriuses (2) deer, rabbits , and squirrls (3) grasses, maple trees , and weds (4) trout, peas, and earthworms I the answer 3 Which sequence illustrates a generalized food ...

Living environment
The apperance of the greatest percentageof white mice occured (1) before the maximum number of days of snow cover (2)at the same time as the maximum number of days of snow cover (3) after the maximum number of days of snow cover (4) both before and after the maximum number of ...

Living environment
1.All of Earth's water, land, and atmosphere within which life exists is known as a population b. an ecosystem c.the biosphere d. a biotic community IS THE ANSWER C

MATH plz helo check my answer
-3 ≤ 2x - 5 < 13 i thing the answer is 1 < x < 9 and how would you graph this on a number line so MY NUMBER LINE IS 1 TO 9, SO AT 1 i have a closed circle and at 9 i have a open circle and its shaded in is it right

ALGEBRA
Factor: 2x^2 - 5x + 2 am confused with this problem?

MATH
thanks

ALGEBRA 1
ARE THESE ANSWERS RIGHT ? Express as a trinomial: (2x-3)(x+7) IS THE ASNWER 2x^2 + 11x - 21 WHAT IS THE VALUE OF 2 times 5^-2 IS THE ANSWER 2/25 DIVIDE: x/x^2-49 divide by 5x^3/x^2 + 9x + 14 IS THE ANSWER x+2/5x^2(x-7)

MAth
thanks

ALGEBRA
thanks

ALGEBRA
how to do this find the volume of a cylinder if the radius is 8 inches and the height is 10in (ANSWER MAY BE LEFT IN TERMS OF PIE)

Can you please correct these two sentences, thank you for the help earlier by the way. =) La mayoría de sus pinturas marinas y meticulosas son oleo en lienzo The majority of his meticulous, marine paintings are oil on canvas. La verdad es que la marina yo no le importa...

Spanish
Can someone please proofread a biography I wrote? The English translation is below the Spanish. Salvador Abril y Blasco era un marinista que ya gozaba de buen reputación en el mundo artístico, y que ha obtenido algunas medallas en las Exposiciones Nacionales. &...

algebra
N(x)=-0.6^2+15.6x+12, where x is the number of days since the concert was first announced, When will daily ticket sales peak and how many tickets will be sold that day ticket sales peak- number of tickets sold-

algebra
The width of a rectangle is 3ft less than the lenght. The area is 4ft^2. Find the lenght and the width

algebra
The number of tickets sold each day for upcoming perfomance of Handel's Messiah is given by N(x)=-0.6x^2+15.6x+12, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?

algebra
1.Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in stadard form ax^2+bx+c=0 Solution 7, only solution 2.The width of a rectangle is less than the length. The area is 4ft^3. Find the length and the width.

psy
On p. 84 of the text, in the Thinking Clearly section, the conduction action potentials and activation of neurotransmitters is related to a row of mousetraps on a wobbly shelf. Think of another analogy you can use to describe the conduction of action potentials and activation ...

Coding and Billing in the medical field
H04.129, Z96.1, C69.6

english
Fill the bags with donated gifts for the orphanage. The word BAGS is what kind of compliment? I.e. predicate adjective, direct object, indirect object, predicate nominative

Statistics
Suppose you gave a skill test to 3 different PE classes and want to know if they differ in terms of their scores. The skill tests scores are as follows: Class 1: 23, 21, 19, 22 Class 2: 18, 19, 21, 18 Class 3: 21, 20, 19, 22 Conduct an ANOVA and report the test statistic ...

Finance
why are dates on financial statements important?

math
the difference between a square root inside a bracket and one outside a bracket

English
I need help understanding adverb clauses...

Chemistry
Sorry still confused. Here's the problem: 0.249g of a diatomic element occupies a volume of 125mL at 120 degrees Celsius and 2.00 atm. This element IS? I used PV/RT =n so: 2.00 atm (.125L)/0.0821L*atm/mol*K (393K) = 11.96 then 0.249/11.96 =20.1 which is Neon. It isn't ...

physics
Suppose the time taken for light to bounce to and fro between the parallel mirrors of a light clock is 1 second, in the frame of reference of the light clock. As seen by another observer moving at high speed at right angles to the to-and-fro motion of the bouncing light, the ...

English
Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund. Writing a research paper sounds difficult

Chemistry
Got it! H2S is bent. Thank you!

Chemistry
Are these shapes correct?PH3-trigonal pyramidal, CHCl3-tetrahedral, H2S-linear and PO4^-3-tetrahedral?

chemistry
Thank you! Sorry about duplicate entries-laptop acting funny.

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C ad 2.00 at. This element is? Please help. I'm lost.

Chemistry
Thank you!

Chemistry
A gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct temperature at 0.750 L and 0.689 atm? Is it the combined gas law of P2V1/T1=P2V2/T2?

Physics
A racing car has a mass of 1540 kg. What is its kinetic energy if it has a speed of 110 km/h? Assume that air resistance is negligible.

Math
Draw a curve and shade the area between z= -.35 and z= 35

math
Draw a curve and shade the area between z=1.15 and z=1.35

Intermediate Algebra
I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)