# Posts by Lost

Total # Posts: 131

algebra
Thank you I understand now.

algebra
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 *10^12 miles. Suppose a star is 3.2 * 10^2 light-years from Earth. In scientific notation, approximately how many miles is it? 1.88 * 10^...

Algebra
To Which subset of real numbers does the number 1/5 belong? A irrational numbers B rational numbers c whole numbers, integers, rational number***** d whole numbers, natural numbers, integers

Algebra
Which equation has the graph parallel to the graph 9x + 3y =-22 y=3x-22**** y=-3x + 8 y=1/3x + 12 y = -1/3x-2 Please check my answer

algebra
Find the slope of the line that passes through (-2,-3) and (1,1) 1/3 1 2***** 4/3 For the equation -4y=8x what is the constant variation? -4 -2**** 1 2 Please check my answers

algebra
The table shows how much a carpenter charges for work. Is the relationship shown by the data in the table linear. Explain your answer. hours worked Amount Charged(\$) 1 25 2 40 3 60 4 80 my answer is: 40-25 = 15 60-40= 20 80-60=20 15=/20 It is linear because the lines would be ...

Algebra
Next thing is graph an inequality to represent your profit margin. So would it be an open circle graph starting at 85? HELP

Algebra
so would it be 585 >= 500?

Algebra
/the question reads How much profit will your business be able to earn with your initial investment (what were you willing to spend)? I was willing to spend \$500 so 9.50 30 - 585.00 - 500.00 Will you make this exact amount more than this or less than this? Represent this or a ...

Algebra
yes it is an inequality I am lost at this point.

Algebra
Graph an inequality to represent your profit margin. 9.50 x 30 = 585.00 I am not sure what to do to show this. please explain

Algebra
Graph an inequality to represent your profit margin. 9.50 30 = 585.00 I am not sure what to do to show this. please explain

Algebra
[y + 4] less than 1 -5 less than y less than -3 -3 less than y less than 5***** -4 less than y less than 1 1 less than y less than 4 Please help me

geography
In The Deadliest Tsunami History all of the following were effects of the tsunami except lack of food no clean water mass animal deaths*** the coastline was destroyed

English
Which of the following sentences from Of Wolves and Men uses imagery to engage the reader? The wolf is three years old. It is now late afternoon.**** His ears are rammed forward, stiff. It is not the time of year for much howling

math
In a particular​ year, a total of 44,456 students studied in two of the most popular host countries when traveling abroad. If 8368 more students studied in the most popular host country than in the second most popular host​ country, find how many students studied ...

Algebra
The formula p = nc - e gives the profit p when a number of items n are each sold at a cost c and expenses e are subtracted. If p = 3750, n = 3000 and e = 900, what is the value of c?

Physics
Considering a mass-spring system aligned horizontally moving at a velocity v. a) How will the velocity of the mass change if amplitude is doubled. b) How will the velocity of the mass change if the spring constant is quartered? I know the answer to the first one is that it ...

Algebra
(9*10^4)(8*10^6) Write the results in scientific notation 7.2*10^25 1.7*10^11 7.2*10^11 1.7*10^25 my answer 1.7*10^11

Social Studies
Which of the following events caused the end of the Depression of 1893? The supply of gold increase. The government printed extra money. Inflation caused the price of goods to increase.*** Several banks closed.

Social Studies
How did Reconstruction affect daily life in south Carolina? A. Carpetbaggers and scalawags had less of an influence on the state.**** B. Northerners and freedman had more opportunities in the state. C. African Americans families received 40 acres and a mule. African Americans ...

algebra
Find the lateral area oft he square pyramid 8m 8 m slant height 22m 1/2 8x22x3.14=4014.92

Algebra
An ice cream scoop has a diameter of 2 1/2 inches. What is the volume of the sphere-shape scoop of ice cream that the scooper makes? 6.54 in3 8.18 in3**** 19.63 in3 64.45 in3

Algebra
For the pair of similar solids, find the value of the variable. radius 15cm height 6cm the other is radius 5cm height x cm 3cm **** 18cm 16cm 2cm For the pair of similar solids, find the value of the variable. base x mm height 24mm the other base 4mm height 8mm 12mm ***** 48mm...

Social Studies
What event caused four additional Southern states to secede from the Union? The U.S. accepted West Virginia as a state. The South fired on Fort Sumter.**** Lincoln declared the Emancipation Proclamation. Lincoln raised an army.

Social Studies
Please check my answers 1. There were two different groups in the elite planter class. What distinguished these groups? education level how many generations had money*** their location the crops they planted 2. Which of the following accurately represents the Southern class ...

physics
Practice Problem 13.9 Let's begin by looking at a flow problem in which the diameter of a pipe changes along the flow path. We will need to use both the continuity equation and Bernoulli's equation for this problem. Water enters a house through a pipe with an inside ...

Math
2/3= 12/x x=18 x=12 x=36 x=8 I think the answer is 36

History
Who was elected President of the Continental congress? George Washington John Rutledge Thomas Lynch Henry Middleton I think it was Henry Middleton

Math
Triangle ABC has coordinates A(1,4) B(3,-2) and C(4,2) Find the coordinates of the of the image reflection over the x-axis. I believe it would be the opposite. A(1,4) B(3,-2) C(4,2)=(-1,-4) B(-3,2) C(-4,-2) Is this right

Math
If the lengths of the legs in a right triangle are 7 and 8, what is the approxir? 1.4 3.5 5.4 10.6 I think it is 5.4

math
(y4)(y3) y1 y2 y12 y43 I think it is y12

math
solve 2x3 -+4r2 if r=1 and s=5 is it 25x25x25=15625 42x42= 1764 15625-1764=13861 I think I got it

math
simplify the expression (-3)4 81 -81 -12 12 I think it is -12

math
Which of these numbers is irrational? check mark sign 3 0.25 1/5 check mark sign 9 I think it is the first one

Math
Find the LCD of 3/5 and 1/6. 5 6 11 30 I believe it is 30

Math
Subtract the fraction and write our answer in lowest terms 4/5 -3/8 1/40 1 17/40 7/10 19/45 I think it is 1/40

math
what is the difference between [-3] and -3? I thing [-3]is double?

algebraic expression
Thanks for the help and I believe this is as simplified as I know. If there is something I am missing please tell me.

algebraid expression
I mean 90 I think I should leave it off because expression do not have a = right

algebraid expression
Do I leave the last line off or change it 9x9+9=9

algebraid expression
9 * (7 - 4)^2 +9 I think it is 9 *(3) ^2 +9 9 x 9 + 9 =81 I hope I got this right. I am trying

math
had it wrong -6z=72 z is 12 sorry I mixed to questions the first time

math
-6z=12 I think it is z=12

math
explain how to solve 82 +9(12 divided 3.2) -7 I thing 8x2=16 + 9=25 12 divided 3 x 2 -7 =1 25 + 1 =26

math
What is solution 5q =-75? I think it is -15

math
What symbol is needed between -2 and [-3] to make a true statement>

math
What is the solution to 40 +-11? I think it is 51

Math
What is the value of -27-8? I think it is -19

Math
The opposite of -4 is? I believe it is 4.

Math
Simplify 2 +(5x4+3). I believe the answer is 25

Pre-Calculus
A local salesman receives a base salary of 675 monthly. He Also receives a commission of 11% on all sales over 1900. How Much would he have to sell in a month if he needed to have a monthly income of 3000? My Work: 1900*.11=209 3000-675=2325 2325/209=11.12440191 1900*11....

Physics
The position of the front bumper of a test car under microprocessor control is given by x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6. Find it's acceleration the second instant when the car has zero velocity. I already know that the position of the car when it has zero ...

fire
Umm guess so...

fire
Two line of same flow with different lengths, no elevation find: a. Total friction loss for line A b. Total friction loss for line B c. PDP (pump discharge pressure) for line A d. PDP for line B Layout: Line A=150' of 3" 300gpm combination nozzle Line B= 300" of ...

math
Determine which ordered pair is not a solution of y=-5x-4. (10,-52) (7,-39) (-7,31) (8,-44) I think it is (7,-39)

Math
Without graphing, tell whether the line containing (6.-3) and (0,-8) is horizontal, vertical or neither. I believe it horizontal

Math
Determine which ordered pair is a solution of y=x2 -2. (-2,6) (5,21) (-1,-1) (-5,24)

Math
Triangle S(-6,10)T(-9,3)U(-3,3) is translated right 2 units and 3 units down. What are the coordinates of the vertices of the image? s'(-9,12), t'(-12,5), u'(-6,5) s'(-4,7), t'(-7,0), u'(-1,0) s'(-8,13), t'(-11,6), u'(-5,6) s'(-4,10), t...

Math
Does a equilateral triangle shape have rotational symmetry? I pretty sure the answer is yes

Math
Find the coordinates of the image of point R(3, -5) rotated 180 about the origin. I think the answer is (-5,-3)

math
The vertices of ^ABC are A (2,-5), B(-3,5) AND c(3,-3) The Triangle is reflected over the x-axis. I think the answer would be A(2,-5), B(-3,5), C(3,-3) ->(-2,-5), (3,5), (-3,-3)

Math
What is the correct description for the translation of A to A? (10,3)-> (1,6) right 9; up 3 left 9; down 3 right 9, down 3 left 9; up 3 I think the answer is right 9;up 3

Math
The point C(3, -1)is translated to the left 4 units and up 1 unit. How do I write a rule to describe the translation?

Math
Point M(4, 3) is translated according to the rule (x, y) (x+2,y-5). What are the coordinates of of M?

Algebra 1
So I attempted this and I'm not sure if it's the correct answer - and I don't know how to graph it.. Student tickets to the Homecoming game cost \$5 each. General admission tickets cost \$8 each. So far, 150 tickets have been sold. \$900 has been collected. A. Write a...

physics
thank you!

quantitative chemistry
How do you write an expression for the mass of the residue in terms of x and y?

quantitative chemistry
How do you write an expression for the mass of the residue in terms of x and y?

quantitative chemistry
How do you write an expression for the mass of the residue in terms of x and y?

Euromart Tile Company borrowed \$40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of \$15,000, and on day 45 of the loan, Euromart made a second partial payment of \$10,000. What was ...

Alicia deposited \$2000 into saving. The bank pays 6% ordinary interest. How many years will it take for the \$2000 to reach \$2600?

physical geoprahy
Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and the SAR is 3.3 F...

Chemistry H
If the pressure on the surface of water in the liquid state is 30 kpa, the water will boil at... 0, 30, 70, or 100 degrees c?

Thank You so MUch, I havee a few more questions Down below, this is just the first THANK YOU!

How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide? I just need to write out the equation but I was out and don't know how PLEASE HELP!

Grammar
No... can you use my family and i? or the group and my parents?

Chemistry
I have to write the equation for the following and I am not figuring it out.I was out with flu and so lost...please help. How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide? How many grams of precipitate will form a reaction between 10g...

Math 8 - HELP!!!
the reason why it could be on point six is because any number that can be displayed by a fraction is rational,so in the case of 1.6 the fraction would be 1 and 6 tenths... Make sense?

Health
Higher!

math
where can i find the correct answer

Calculus
A swimming pool is 60ft long by 25ft wide. Its depth varies uniformly from 3ft at the shallow end to 15ft at the deep end. The pool is being filled with water at a rate of 800ft3/min. There is 5ft of water at the deep end. What is the equation for finding the rate at which the...

Chemistry
Typically, there is a scale provided for weighing the nails. For example, a notice placed above the nail bin might read, “For the nails in the bin below, there are 500 nails per kg.” Using this conversion factor, perform the following calculations. How many nails ...

Marh
@ Ms. Sue WHY? is that correct?

Marh
For the nails in the bin below, there are 500 nails per kg.” Using this conversion factor, perform the following calculations. How many nails would you have if you had 0.15 kg?

physics college
Use Newton's Law of Gravitation to compute the work W required to propel a 1100 kg satellite out of the earth's gravitational field. You may assume that the earth's mass is 5.981024 kg and is concentrated at its center. Take the radius of the earth to be 6.37106 m ...

physics college
A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, The speed of the ball just after the blow is v0 and the coefficient of kinetic friction between the ball and the ...

physics college
A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, as shown in the figure below. The speed of the ball just after the blow is v0 and the coefficient of kinetic ...

physics
The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. at what rate does mechanical energy turn into thermal energy. I found ...

physics
The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. at what rate does mechanical energy turn into thermal energy. I found ...

physics 2
sorry here is actual question: A 285-kg stunt boat is driven on the surface of a lake at a constant speed of 13.5 m/s toward a ramp, which is angled at 28.5° above the horizontal. The coefficient of friction between the boat bottom and the ramp's surface is 0.150, and ...

physics
The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. speed of boat when leaves ramp (assume that engine turned off once boat ...

URGENT MATH HELP!
When a ball is thrown upward, its height, h, in metres, is given by h=1.5 +19.6t -4.9t², where t is the number of seconds after it is thrown. For what length of time is the ball above the ground?

ALG/TRIG
I cannot seem to get the right answer. Animal Pulse Rate According to one model, an animal’s heart rate varies according to its weight. The formula N(w)=885w^-1/2 gives an estimate for the average number N of beats per minute for an animal that weighs w pounds. Use the ...

ALG/TRIG
Lost is an understatement..please help me understand this. Orbits and Distance Johannes Kepler (1571–1630)discovered a relationship between a planet’s distance D from the sun and the time T it takes to orbit the sun. This formula is , where T is in Earth years and ...

Managerial ECON
QuadPlex Cinema is the only movie theater in Idaho Falls. The nearest rival movie theater, the Cedar Bluff Twin, is 35 miles away in Pocatello. Thus QuadPlex Cinema possesses a degree of market power. Despite having market power, QuadPlex Cinema is currently suffering losses. ...

Discuss in specific terms your understanding of ethical business strategies, corporate social responsibility, and environmental responsibility at Best Buy?

Managerial ECON
The chief economist for Argus Corporation, a large appliance manufacturer, estimated the firm’s short- run cost function for vacuum cleaners using an average variable cost function of the form AVC = a + bQ + cQ2 where AVC dollars per vacuum cleaner and Q number of vacuum ...

Managerial ECON
You are planning to estimate a short- run production function for your firm, and you have collected the following data on labor usage (L) and output (Q): Labor usage Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 a. Does a cubic equation appear to be a ...

Managerial ECON
Suppose that a firm is currently employing 10 workers, the only variable input, at a wage rate of \$100. The average physical product of labor is 25, the last worker added 10 units to total output, and total fixed cost is \$5,000 a. What is marginal cost? b. What is average ...

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