67 results

Math

Geometry

Math
OOPS! Draw a pair of quads. where the angles of the 1st quad. are congruent to the angles of the 2nd quad. No side of one quad. is to be congruent to any side of the other quad. THIS is straight out of the workbook SORRY!

trig
find the exact value given that cosA=(1/3) in quad I, sin B=(-1/2) in quad 4, and sin C=(1/4) in quad 2 tan(B+C)

trig
find the exact value given that cosA=(1/3) in quad I, sin B=(-1/2) in quad 4, and sin C=(1/4) in quad 2 tan(B+C) ? At the end of my equation I had (sqrt45/15) over (1-sqrt15/15) , how do I rationalize or did I make an error in calculation

trig
find the exact value given that cosA=(1/3) in quad I, sin B=(-1/2) in quad 4, and sin C=(1/4) in quad 2 sin(A-B)?

Trig
find (s+t) given that cos s=1/3 with s in quad I and sin T=-1/2 with t in quad IV

math
if a quad is equilateral the quad is a square true right? or is it false? kindda stupid question but i gotta b sure of it

Trig
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and sin T= -1/2 with T in quad IV

Trig
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and sin T= -1/2 with T in quad IV

Rs argrwal
Bd is öne of the diagonal of quad. Abcd.if al | bd and cm| bd ,show that ar(quad.abcd)=1/2xbdx(al+cm)

Physics
The magnitudes of the four displacement vectors shown in the drawing are A = 14.0 m, B = 11.0 m, C = 12.0 m, and D = 25.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs when these vectors are added together. Specify the direction as a positive (...

Mathematics
I need help finding the exact value of sin (a + b), given that sin a =3/5 and sin b = 5/13, with a in quad 2 and b in quad 1.

help plz

Chem202 - for DrBob222
Dr. Bob222: There is a problem you answered .100M HClO2 titrated with .080M NaOH I can work the problem many times but I am getting 7.30pH and the answer says 7.38 using quad. I used quad and still get 7.30. I also do know how you go from the neutralization reaction of HClO2...

Algebra
-5 and-2 write a quad equation. -√5,6√5 write quad equation Tick, tick..I'm doomed..

physics
Information: 1. According to the information on the EERE posting, 22% of the U.S. annual electrical energy consumption is for lighting. The amount of energy is 8.2 Quads, (1.0 Quad = 1015 BTU). This is in agreement with the information given in the International Energy Agency...

math
is the cos x<0 in quad 2 and 3?

Geology
What is the fractional scale of a quad?

science
do a quad genitic cross :-(

algebra
-5 and -2 write quad equation. __=0 Thanks

math
PQRS IS A QUAD. IN WHICH DIAGONALS PR AND QS INTERSECT AT O.PROVE THAT PQ+QR+RS+SP>2(PR+QS).

precalculus
Given sina= 3/4 and cosB = (-5)/13 and this is Quad II find cos(a+B)

trig
tan ø = 5; Quad I How do I find the other 5 function values?

Pre-calculus
If cosx=4/5, cosy=12/13 in Quad. IV, find sin(x+y)

Pre-calculus
If cosx=4/5, cosy=12/13 in Quad. IV, find sin(x+y)

precal desperate
Given sina= 3/4 and cosB = (-5)/13 and this is Quad II find cos(a+B)

math
How do angles in a quad add up to 540. when split into triangles

math
How do angles in a quad add up to 540. when split into triangles

geometry
The perimeter of a parallelogram QUAD is 10 more than five times AU.If QU = 26 cm.Find AU.

math - geometry
graph the quadrilateral separately nd algebraically and show if it's a square quad abcd:a(0,a) b(a,2a) c(2a,a) d(a,0)

Math
Let an angle in quad IV such that cos= 2/5 find exact value of csc and cot

math
If sinx=3/5,cosy=-12/13,where x and y both lie in 2nd quad.Find the value os sin(x+y).

use the quadratic formula. 2x2 + 8x = - 1

Trig
Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta

math

geometry
Quad ABCD with diagonal DB. <adc=90, <c=91, <cbd=43. segment ad=segment dc=9. Which segment is longer ab or ad and why? steve, how are you solving for <abd, what are you assuming about <abc?

Math Trig
Let theta be an angle in quad III such that sec theta = -13/5. Find the exact values of cot theta and sin theta? Thank you!!!

Math- help finishing
A right triangle has an area of 84 ftand a hypotenuse 25 ft long. What are the lengths of its two sides? Ive gotten this far: 25^2= a^2+b^2 a=25-b 84= ab/2 168= 25b-b^2 b^2-25b+168=0 I then use the quad. formlua to solve for b... but I get an error. Can someone help me?

easy GEOMETRY!!
1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee

geometry
1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee

square of a certain number decreased by 9 times the number is 36 . what is the number Goodness. You have to start to try these, and let us critique. There is nothing like the mind working on its own. N^2-9= what bob, appreciate the sentiment, but if i could figure it out, i ...

pre-calculus
Currently in school we're learning about proving identities and for extra credit I got this problem. cosB= -8/17 in quad II and I have to find sin 7B. I have gotten this far: sin7B= sin(3B+4B) sin3Bcos4B+sin4Bcos3B my problem I can't figure out how to further break it down. ...

computers
What overriding philosophy of the Windows 8 operating system makes it unique compared to earlier Microsoft operating systems? A. It is a universal operating system for all types of devices. B. It can host both 32- and 64-bit applications. C. Up to 192 users can have a separate...

intro to computers
what overriding philosophy of the windows 8operating system makes it unique compared to earlier Microsoft operating systems? a.it is a universal operating system for all types of devices? b.it can host both 32-and 64- bit applications c.up to 192 users can have a separate ...

math
judy wants to fence the sides of the yard in front of her house . She bought 60m of fence and wants the max area she can fence in . The quad function a(x)=-2x^2+60x, where x is the width of the yard in metres , represent area enclosed . Determine the max area possible , ...

Algebra
I had to solve 2x^2-x-1 using the quad. formula. I got it down to (1 +/- the square root of neg. 8) divided by four. I broke the sq. of neg. 8 into the sq. root of 4 and the sq. root of -2. But my question is could it also be the sq. root of -4 and the sq. root of two? Is one ...

calculus
Consider the function f(x) = x^4 - 18 x^2 + 4, \quad -2 \leq x \leq 7. This function has an absolute minimum value equal to and an absolute maximum value equal to

I couldn't find the sets of factors that add up to -13 in this problem. Plz help, anything is greatly appreciated! x^2-13x+36 Thx for helping ppl! you could use the quad. eqn which is -b plus or munus sq root of b squared minus 4 ac all over 2 a That is a good idea but I need ...

find 3 consecutive integers such that the product of the second and third integer is 20 Take three integers x, y, and z. The for xyz, we want y*z = 20 The factors of 20 are 20*1 10*2 5*4. 20*1 are not consecutive. 10*2 are not consecutive. But 5 and 4 are consecutive; ...

physics
To leave Nicholson, you exit via the door to the quad. The door is 40 inches wide and has a mass of 200 kg. You push the door with a perpendicular force of 52.61N exactly 0.86m away from the hinge. This generates the minimum torque, \tau_1, required to open the door. If you ...

Physics
Can someone please tell me if I've approached this homework problem correctly. A boy is running at his best speed of 6.0 m/s to catch a bus stopped at the lights. When he is 16 m from the bus, the light goes green and the bus pulls away at an acceleration of 1.0 m/s/s. Does he...

geometry
I am working on a geometry problem where I have to build a mobile of the quad. family. I have to state the properties of each figure. For a parallelogram I have 1. opp. sides are congruent 2. opp. angles are congruent 3. diagonals bisect each other and are congruent. For a ...

easy geometry
1)If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus. 2)A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle. 3)Find the altitude,perimeter and area of an isosceles trapezoid whose sides ...

Math (Pre-Calculus)
9t^4 + 6t^2 + 2 the problem is asking for the value of t at which the graph is at it's minimum. what i did was set t^4 to x^2 and t^2 to x. So that means I have 9x^2 + 6x + 2. Completing the square and the vertex formula gave me the same answer of -1/3 as x. So setting that ...

French
Can some please help me transaleet the following into french. I am new to french I am slow at picking it up. 1. do you want to play tennis with me? 2. YES, bUT i HAVE TO WORK * Oui, mais jai travalier 3. When are Marie and Andre traveling to Paris? *Quad tu Marie et Andre ...

Chemistry
World energy supplies are often measured in the unit of quadrillion British thermal units (10^12 btu), generally called a "quad." In 2015, world energy consumption is projected to be 5.81*10^17kJ. Current annual energy consumption in the United States is 99.3 quads. Assume ...

Chemistry
World energy supplies are often measured in the unit of quadrillion British thermal units (10^12 btu), generally called a "quad." In 2015, world energy consumption is projected to be 5.81*10^17kJ. Current annual energy consumption in the United States is 99.3 quads. Assume ...

Math
Would someone verify these answers. 1. A person waves his hand back and forth, where their finger tips move past the starting position 4 cm in each direction. If he waves 20 times every 15s, what sine equation models the movement of the hand if the hand starts in the upright ...

chemistry
The equilibrium constant Kc for the reaction C <--> D + E is 7.90 * 10^-5. The initial composition of the reaction mixture is [C]=[D]=[E]=1.10*10^-3. What is the equilibrium concentrations of C, D, and E? C=? D=? E=? chemistry - DrBob222, Monday, November 5, 2012 at 12:...

calculus
Highway engineers often use quadratic functions to model safe stopping distances for cars like 1/2x quantity squared + 11/5x is used to model the safe stopping distance for car traveling at x miles per hour on dry, level pavement. If a driver can see only 200 feet ahead on a ...

physics
You see some management students getting drunk at 1 PM in the quad. (Yes, this is an early wake up call for them.) You decide to tie a 2.00 daN water balloon on the end of a 1.00 m long light rope and start swinging it horizontally. The rope from your hand to the water balloon...

geology
Given a scale of 1:24,000: A. What is the ground distance in feet represented by three inches on the map? 72000in 6000ft B. What is the ground distance in meters represented by 5 cm on the map? 120meters C. How about the ground distance in kilometers represented by 5 cm on the...

Health/PE
I am completing a project for PE/Health and I am stuck. Can you help me? The problem is below: Choose any eight that stretch different parts of your body. Be sure to balance your body by stretching opposite body parts. For example, if you stretch your chest, stretch your back ...

Newtons Cooling Method
Instructions Assume that goat milk butter melts at {85.25}^{\circ} F. On a summer day you take a stick of butter out of the refrigerator, which is set to {36.5}^{\circ} F, and put it on your front porch where the temperature is {89.5}^\circ F. (a) By Newton's Law of Cooling, ...

Communication Technology
A digital fsk equipment transmits bipolar return to zero data. when sending a sequence of alternating ones and zeros how many different frequenies will be transmitted? The fsk is actually sending mark and space signals, isn't it? The actual frequncies depnends on the technique...

biology
What are two units of measure for the energy obtained from macronutrients? Energy units. A BTU (British Thermal Unit) is the amount of heat necessary to raise one pound of water by 1 degree Farenheit (F). 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton ...

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