Thursday

January 29, 2015

January 29, 2015

Number of results: 8,664

**geometry**

Find the longest side of triangle ABC, if measurement A=70, measurement B=2x-10, and measurement C=3x+20.
*February 5, 2009 by sarah*

**geometry**

if the measurement of angle fgk is 3y-4 and measurement of angle kgh is 2y+7 find x
*February 13, 2014 by jenn*

**Geometry**

What is the radius if: degree of measurement of arc=30 length=1/3xy(pi) My answer was 8xy. degree of measurement of arc=40 length=8/9(t)(pi) My answer was 9t. degree of measurement of arc=18 length=6(y)pi My answer was 45y. These are the questions I missed, along with my ...
*June 14, 2010 by Temperance*

**geometry**

line AB is parallel to line CD, the measurement of angle A=2x-25, and the measurement of angle C=x+5. find the value of x. show work and explain your reasoning.
*October 29, 2011 by joseph*

**Geometry**

Write the ratio of the first measurement to the second measurement. Diameter of care tire:40cm Diameter of care tire:18mm I'm not sure hoow to do this. May someone explain how to do this problem.
*February 12, 2014 by Candy*

**geometry**

If angle 1 and angle 2 are vertical angles and measurement angle 1= 3x+17 and measurement angle 2= 4x-34 what is measurement angle 1?
*November 27, 2013 by Anonymous*

**geometry**

if the measurement of angle 1 plus the measurement of angle 4 equals 70, find the sum of angle 6 and angle 7
*March 29, 2013 by Christine*

**PHYSICS**

what's the differencces between the meaning of measurement and value of measurement in physics??? The meaning of measurement is a definition of whatever is being measured. I suggest you use a dictionary for that. The answer will depend upon what you are measuring (mass, ...
*September 23, 2006 by Katrina*

**Geometry**

The diameter of circle C is 18 cm. measurement of arc AD is 60. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use 3.14 as pie)
*June 3, 2014 by Sarah Musselman*

**geometry**

If the measurement bewtween A and B is 44 feet and the measurement between A and C is 26 feet, what is the distance between B and C?
*September 21, 2011 by Anonymous*

**Quantum Physics**

Consider the observable M that corresponds to a measurement in the sign basis where the measurement value is 3 if the outcome is + and -2 if the outcome is - A)Write M in the standard basis. B)If M is the Hamiltonian acting on a qubit which is in the state |phy(0)> = |0>...
*April 16, 2013 by qwerty*

**Geometry**

What is the circumference of the circle if the radius is: 5x-My answer was 57(x)pi. What is the radius if the circumference is: 30x(pi)-My answer was 2x. (x + y)pi -My answer (x+y)/7. What is the length of the arc if: radius=3 degree of measurement of arc=6- My answer was pi/9...
*June 14, 2010 by Temperance*

**geometry**

what is the area of a piece of fabric that has the measurement of (s - 4)
*October 26, 2009 by michael*

**physics**

Consider the observable M that corresponds to a measurement in the sign basis where the measurement value is 3 if the outcome is + and −2 if the outcome is −. Write M in the standard basis. If M is the Hamiltonian acting on a qubit which is in the state |ψ(0...
*April 19, 2013 by s*

**physics**

Consider the observable M that corresponds to a measurement in the sign basis where the measurement value is 3 if the outcome is + and −2 if the outcome is −. Write M in the standard basis. If M is the Hamiltonian acting on a qubit which is in the state |ψ(0...
*May 15, 2014 by Sam*

**geometry**

the measurement of two angles is 48 an 23 find the third
*February 25, 2012 by Anonymous*

**Algebra 8th**

Find the greatest possible error for each measurement. 953 mi 0.5 mi Find the greatest possible error for each measurement. 1 3/4 c not-- 1/4 c Find the greatest possible error for each measurement. 12.3 L 0.05L Find the greatest possible error for each measurement. 4 1/2 oz 1...
*December 3, 2013 by purplebananas*

**Geometry**

Find the measurement of angle rsp if rst=5\2y and pst =(y+5)
*August 27, 2010 by Inna*

**geometry**

Find the total area for the cylinder with the given measurement. r = 2, h = 4
*June 21, 2012 by moe*

**Honors Geometry**

If <MQJ = 50 degrees 41' 24", find the measurement of <JQG
*September 19, 2012 by Eric*

**geometry**

a square has a diagonal measurement of 8 radical 2 inches. calculate its perimeter.
*January 17, 2011 by taylor*

**algebra**

Why is 4(x+2)+4x=8 not a correct equation to solve a geometry problem if x represents a length of measurement?
*September 8, 2010 by Anonymous*

**geometry - need help with this.**

If angle <a and <b are complementary but <a is four times as large as <b, find the measurement of a.
*September 7, 2014 by student*

**Geometry**

A regular pentagonal solid prism has 9cm base edges. A larger, similar solid prism of the same material has 36cm base edges. How does each indicated measurement for the larger prism compare to the same measurement for the smaller prism? Find the volume and weight.
*September 29, 2013 by George*

**Geometry**

m<AOB=4x-2,m<BOC=5x+10,m<COD=2x+14 How do you solve the equation? And how do you find the measurement of each of the 3 given angles??
*April 22, 2010 by Sam*

**Geometry**

m<AOB=4x-2,m<BOC=5x+10,m<COD=2x+14 How do you solve the equation? And how do you find the measurement of each of the 3 given angles??
*April 22, 2010 by Sam*

**math**

the measurement of an angle is 5times the measurement of its supplement.what is the measurement of the angle?
*August 20, 2013 by babyc36*

**Geometry and Measurement**

I am trying to solve the length of the hypotenuse of a right triangle with sides of 6mm and 8mm
*February 29, 2008 by Victoria*

**Geometry**

How do I figure out the area and perimeter of a square if all I know is the cross (top left corner to bottom right corner) measurement? I have a square with the cross measurement of 8.5 (or 4 X sq root of 2, i rounded to 8.5). The square looks like it is cut in half to look ...
*September 2, 2009 by sam*

**Statistics**

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0 <x<1 Instrument 2 yields a measurement whose p.d.f. is f2(x)=3x^2, 0 <x<1 Suppose that one of the two instruments is...
*December 2, 2010 by Salman*

**Stats and Data**

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0 <x<1 Instrument 2 yields a measurement whose p.d.f. is f2(x)=3x^2, 0 <x<1 Suppose that one of the two instruments is...
*December 2, 2010 by Salman*

**Quantum Physics**

Suppose that a qubit is in the state |ψ> = a |0> + √ (1-a^2)|1> where a [-1,1] . If we first perform a standard basis measurement on this qubit and then perform a |u>, |u⊥> -basis measurement where |u> = b |0> + √ (1-b^2)|1> for ...
*February 17, 2013 by qwerty*

**Maths**

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0 <x<1 Instrument 2 yields a measurement whose p.d.f. is f2(x)=3x^2, 0 <x<1 Suppose that one of the two instruments is...
*December 2, 2010 by Salman*

**Math**

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0 <x<1 Instrument 2 yields a measurement whose p.d.f. is f2(x)=3x^2, 0 <x<1 Suppose that one of the two instruments is...
*December 2, 2010 by Salman*

**Chemistry**

What value of a measurement must be known if the accuracy of an experimental measurement is to be determined?
*November 1, 2009 by Anonymous*

**Chemistry 22**

Your length measurement was 21.34 cm. The accepted value was 21.77 cm. What is the percent error of your measurement?
*December 4, 2010 by Ivy*

**Chemistry**

How many number of significant figures are there in measurement 6.80? I think 2 In measurement 43.52 cm what is digit is the most uncertain? thanks
*January 17, 2007 by Bryan*

**math**

Write an explanation of the steps you use to convert a measurement in one unit to a measurement in another. 1) How many picometers are there in a kilometre?
*October 12, 2009 by jo*

**geometry & measurement**

jose wants to buy a new tv that will fit the opening of his entertainment center. the height of the opening in his entertainment center is 27 inches. usually, the opening of an entertainment center has a width-to-height ratio of 4:3. what is the diagonal measurement of the ...
*February 23, 2008 by beth*

**geometry**

Angle ABC and angle EBF are a pair verical angles. The measurement of angle ABC = 3X + 8 and the measurement of angle EBF = 2X + 48. What are the measurements of angle ABC and angle EBF
*August 11, 2011 by amy*

**Algebra 1**

A measurement is given. Find the minimum and maximum possible measurement. A doctor measures a patient's weight as 162 lb to the nearest pound.
*September 20, 2011 by Isachaly*

**Geometry**

Given: Triangle ABC ~ Triangle DEF, m<A = 50o, m<D = 2x + 5y, m<F = 5x + y, and m<B = 102 - x. What is the measurement of <F?
*March 14, 2011 by mic*

**geometry**

how do I find the measurement of the hypotenuse side of a triangle when the other side measurements are 5 and 12
*May 1, 2011 by katie*

**geometry**

A rhombus has a diagonal with a length of 17 ft. and a side measurement of 9.5 ft. What is the area of the rhombus?
*May 19, 2013 by beck*

**geometry**

Given the triangle ABC and m<A = 22; a = 6. Find the measurement of side b if angle C is the right angle.
*June 30, 2011 by Anonymous*

**statistics**

From the MM207 Student Data Set identify the following: a) A variable measured at the nominal level of measurement. b) A variable measured at the ratio level of measurement. c) A variable measured at the ordinal level of measurement
*October 17, 2011 by Audrey*

**Chemistry (Check)**

Completion. struggling with this....I got 1) 2)Precision 3)experimental value 4) 5) The ___1___ of a measurement describes how close the measurement comes to the true value. The ____2___ of a measurement depends on its reproducibilty. An ___3___ is a value measured in the lab...
*January 14, 2007 by Bryan*

**groundwater science**

Consider water in a well, and a point of measurement at depth below the surface of the water. True or False: if the point of measurement is located at an elevation of 2,000 ft. above mean sea level, and that point of measurement is 40 ft. below the water surface in the well, ...
*February 5, 2011 by Luke*

**geometry**

The radius of a circle is 6cm and the arc measurement is 120 degrees, what is the length of the chord connecting the radii of the arc?
*May 6, 2011 by Dylan*

**geometry 3**

Given: Circle O with radius of length 4 units. measurement of arc PQ=141 degrees. Find the cordinates of point P. Circle O(0,0)
*April 10, 2012 by Kate Jenson*

**algebra**

The measurement of two angles of a triangle are 39 degrees and 70 degrees. Find the measurement of the third angle. Show your work
*December 1, 2012 by Alexius*

**algebra**

The measurement of two angles of a triangle are 44 degrees and 56 degrees. Find the measurement of the third angle. Show your work
*December 1, 2012 by Alexius*

**algebra**

The measurement of two angles of a triangle are 69 degrees and 34 degrees. Find the measurement of the third angle. Show your work
*December 1, 2012 by Alexius*

**help**

if u r making a bookcover about history of measurement can u say me what can be the title that i keep ...except "history of measurement"
*October 23, 2008 by Anonymous*

**Math-measurement**

What is the official name of our system of measurement in America? All I ever hear about is the metric system, but I don't know what ours is called. Thanks
*March 2, 2008 by Ellie*

**chem**

Is the following true or false? The actual size of a measurement multiplied by a conversion factor remains the same, because the measurement being converted is multiplied by 1.
*June 11, 2010 by ash*

**PHYSICS helppppp**

what is the value of measurement?????? What is the value of measurement? I hope I am understanding your question. If one wants to know the number of teeth in a horses' mouth, counting is quite valuable.
*September 23, 2006 by Katrina*

**geometry**

Assume that the given angles have been measured, and calculate the angles (marked as x) that could not be found by direct measurement. a = 38 x = 1Your answer was incorrect, but has changed from what was graded.
*September 15, 2010 by Anonymous*

**Algebra 8th**

Find the greatest possible error for the given measurement if it is to the nearest 10 miles. 150 mi a. 5 mi b. 75 mi c. 0.5 mi d. 7.5 mi Find the greatest possible error for each measurement. 18.9 m a. 0.01 m b. 0.5 m c. 9.45 m d. 0.05 m Find the greatest possible error for ...
*November 6, 2013 by purplebananas*

**Physics**

Suppose that a qubit is in the state |\phi\rangle=a|0\rangle+\sqrt{1-a^2}|1\rangle where a\in[-1,1]. If we first perform a standard basis measurement on this qubit and then perform a |u\rangle,|u^\perp\rangle-basis measurement where |u\rangle=b|0\rangle+\sqrt{1-b^2}|1\rangle ...
*August 20, 2013 by tini*

**geometry**

If you have a circle in a square and r is the radius of the cicle and x is the measurement outside the square what would the formula be to find the area of the whole square using x and r?
*September 10, 2011 by Teresa*

**geometry and measurement**

A pool designed for lap swimming is rectangular in shape with a uniform depth of 4.5 feet. If the pool is enlarged so that it holds twice as much water, which of the following statements could be true?
*February 6, 2013 by dave*

**Physical Science**

If one measurement is known much more precisely than the other, the fractional error is the ratio of the absolute value of the difference (|M1-M2|), and the more accurate value. What is the percentage error of student A's measurement (37.2 cm long if it is determined by ...
*August 25, 2014 by Barbara*

**8th grade - science**

the length of a string is known to be exactly 9.84cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. which student's ...
*October 2, 2009 by Michaela*

**Geometry**

Use parallelogram ABCD to answer the following. Diagonals BD and AC bisect at O. 1.measurement of angle BAD = 3y - 5 find angle BCD 2. AC = 12.8 cm find OC
*September 21, 2011 by Lissa*

**geometry**

find measurement angle bac db and dc are paralell, da intersects bc, angle a is 65 degrees so i multipied by two and came up with the answer 130 degrees, is this correct? thanks
*October 14, 2013 by ann*

**geometry**

Alice is making the profile of a face. She is also making an exact replica of a circle with a radius of eight inches. Which statement is correct about the profile and the replica?Answer A: The profile is made by sketching and the circle is made by drawing. B: The profile is ...
*September 26, 2011 by Please Help Me *

**Econometrics**

Consider a linear model with unobserved beterogeneity (q) and measurement error in an explanatory variable: y = B0 + B1x1 + ... + Bkx*k + q + v where ek = xk - x*k is the measurement error and we set the coefficient on q equal to one without loss of generality. The variable q ...
*August 31, 2013 by Joy*

**Math**

The edge of a cube was found to have a length of 50 cm with a possible error in measurement of 0.1 cm. Based on the measurement, you determine that the volume is 125,000 cm3. Use tangent line approximation to estimate the percentage error in volume.
*December 29, 2014 by Mimi*

**Mathematics**

Dear Jiskha, I will appreciate if you can show me step by step how this geometry math question is solved. Using the Pythagorean Theorem,how do i find the length the unknown side 'b'. Side 'a' has a measurement of 1...the hypotenuse: a square root of 2. Your help is appreciated.
*August 19, 2008 by Ryan*

**Math**

Find the greatest possible error for the measurement 0.991 g. Find the percent error of the measurement 4 cm.
*September 1, 2012 by Anonymous*

**chemistry**

Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. You could use either of the two options given below. Take a ruler and measure the height of the textbook three ...
*June 15, 2011 by mema*

**physics**

A d.c. circuit can be represented by a voltage source of 10 V in series with an output resistance of 1 k ohm. An ammeter of 50 ohm resistance is connected to the source terminals for measurement of current. what will be the accuracy of measurement?
*December 3, 2013 by Sarsi*

**geometry**

Sam went to the park and saw a work crew putting in a square garden. She found a tape measure that was stretched between opposite corners with a measurement of 171.1 feet and decided to find the area. What is the area of the square in yards?
*May 19, 2013 by beck*

**Math - More Precision and Significant Digits**

Please help me with the following problems: 3. Choose the more precise measurement. 6 cm or 2.5 cm I think it is 2.5 cm. Is this correct? 7. Choose the less precise measurement and explain why it is less precise. 2.8 mm or 3.79 mm I think the answer is 3.79 mm. Is this correct...
*August 30, 2014 by Brady*

**Science**

What is the science of measurement 9 letter word. Thanks, Lindsey Hi there, I was able to find the answer online by typing "science of measurement" in quotes into the google search engine. I hope that helps. Thanks I had done that but without the quotetion marks. Thanks, ...
*September 4, 2006 by Lindsey*

**Chemistry (Check)**

Are most factors unity? Is this True or false I'm thinkin true.. The actual size of a measurement multiplied by a conversion factor remains the same, beacause the measurement being converted is multiplied by unity. okay
*January 25, 2007 by DrBob222*

**Chemistry **

suppose a graduated cylinder wasn't correctly calibrated, how would this effect the results of a measurement? How would it effect the results of a calculation using this measurement?
*September 15, 2009 by levi*

**Geometry**

I have several questions, because my geometry final is tomorrow. I've completed most of the review, but can't seem to figure out these questions. It would be great if someone could tell me how to solve each equation. 1. Find the radius of the circle with the given measurement...
*June 17, 2008 by Sammie*

**Geometry**

If meaurement of angle DEF=(3x+5) degrees and measurement of angle KLM=(x+31) degrees, and goth angles are complementary to angle PQR, what are the measures of the angles?
*September 16, 2012 by Carol*

**statistics**

A group of scientists is studying whether a new medical treatment has an adverse (bad) effect on lung function. Here are data on a simple random sample of 10 patients taken from a large population of patients in the study. Both variables are measurements, in liters, of the ...
*August 17, 2013 by Anonymous*

**geometry**

1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
*August 30, 2011 by SoccerStar*

**Technology**

Please check this for me: 5. The freezing point of water on the Celsius temperature scale is a. 0 degrees b. 32 degrees c. 100 degrees d. 212 degrees A 8. A measurement for a rectangular box is given as 150 cubic inches. This measurement indicates the _____ of the box. a. ...
*December 18, 2009 by y912f*

**trig 30**

Please help I need to solve the following question for x, where 0<x<2pi. and then write a general solution for the equation. The question is 2cos^2 x + cos x =1. I need to solve this using radian measurement. I solved it using algebra and was told I wasn't allowed. Could...
*April 29, 2010 by Rae*

**Chemistry (Check)**

Completion 1)1 2)conversion factor 3)change 4)Dimensional anaylsis 5) Whenever two measurement are equal, or equivalent, a ratio of these two measurements will equal ___1____. A ratio of equivalent measurement is called a ___2___. When a measurement is multiplied by a ...
*January 24, 2007 by Bryan*

**Geometry**

I need some help with this question. I need to find the measurement of M<1 in the diagram. Sense I can't post the picture of the triangle, here are teh numbres inside of it. 3x, 40degrees, and the number 1, highlighted in red, I'm assuming to let me know that's what I need ...
*November 30, 2011 by Allyson*

**physics**

Given that V=[*D^2]*h/4 and fractional error in W leading from the errors a, b and c from the measurement of a, b, and c is given by W/W= sqrt((na/2)^2+(mb/2)^2+(pc/2)^2) where one has a quantity W proportional to a^n* b^m* c^p,where a, b, and c are variables calculate...
*December 25, 2010 by Anonymous*

**stats**

Weights of parts are normally distributed with varianceσ2. measurement error is normally distributedwith mean zero and variance 0.5σ2, independent ofthe part weights, and adds to the part weight. Upper andlower specifications are centered at 3σ about the ...
*November 14, 2014 by sam*

**Geometry question**

In isosceles ABC, B is the vertex. The measure of angle B can be represented as (8x+2). The measure of angle A can be represented as (9x-2). Find the measure of all three angles of the triangle. Be sure to name the angle with its measurement (ex: angle A= ).
*August 23, 2007 by Jim*

**I need an answer--molecular/electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
*February 8, 2011 by Kate*

**Molecular and Electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
*February 8, 2011 by Kate*

**geometry**

I need to find the area of the shaded portion of a circle with a square in the middle all corners touching the circle. My square has a line measurement of 10 cm. I know that the area of the square is 100 cm(10 x 10). But I am not sure what to do with the circle. Is the ...
*May 29, 2010 by bart*

**geometry**

Two buildings are separated by an alley. Joe is looking out of a window 60 feet above the ground in one building. He observes the measurement of the angle of depression of the base of the second building to be 50 degrees and the angle of elevation of the top to be 40 degrees. ...
*March 27, 2014 by joe*

**2nd Grade Mesaurement **

I tutor 2nd Graders and they are stating to learn measurement in cups, gallons, Pints, Inches, Feet, Cm, . . . etc. I need a website that will show me how to better explain to them of how to solve the answers. Also, I don't know how to measure. I need a website that will also ...
*February 2, 2014 by Qiayamah*

**Math Calculus**

A sphere is initially measured as having a radius of 4 inches. A subsequent measurement shows that the radius is really 3.99. Find (a) the actual difference in volume between the initial measurement and the correction, and (b) the difference as estimated through differentials...
*July 8, 2011 by Megan*

**geometry**

using the diagram where there is <CBD< DAC<ABC<EBA<ACB and D and C equal 45 degrees and B equals 90 degrees what is the measurement for <DAC and < ABC and <EBA and <ACB
*February 4, 2013 by marcia*

**physics**

Suppose that a qubit is in the state |φ〉 = a|0〉 + 1 − a2 |1〉 where a ∈ [−1, 1]. If we ﬁrst perform a standard basis measurement on this qubit and then perform a |u〉, |u⊥ 〉-basis mea- √ surement where |u〉 = b|0〉 + 1 − b2 |1〉 for some b ∈ [−1, ...
*February 18, 2013 by JAY*

**geometry**

state the reason for the conclusion 1) given: angle 1 is congruent to angle 2 conlusion: the measurement of angle 1 is equal to the measuremnt of angle 2. what is the reason for the conclusion?????/? plzzz i need help like a lot Two angles are not congruent unless their "...
*October 3, 2006 by jessica =]*

**chemistry**

In a laboratory experiment, the density of a concentrated sugar solution was determined by measuring the volume of the solution and corresponding mass. Three students each made a set of measurements using a different balance and used the results to calculate density. Their ...
*August 30, 2008 by helpp*

**Math**

Ryan estimates the measurement of the volume of a popcorn container to be 282 cubic inches. The actual volume of the popcorn container is 289 cubic inches. What is the relative error of ryan's measurement to the nearest thousandth?
*February 28, 2009 by Julie*

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