Questions Asked on
November 25, 2016

Math
Which of the following is equivalent to the expression 6m + 3? A)2(3m + 3) B)3(2m + 1) C)3(2m + 3) D)6(m + 3) The answer I got was B) 3(2m + 1). How I got this answer was 3 x 2 + 3 x 1 = 6m + 3.
asked by Donald 
math
please check my answers below and correct me if i am wrong please 1. At Lexi Corp., sales revenue is $20 million, the cost of goods sold is $14 million, operating expenses are $3 million, and income taxes are $1 million. What is the company's operating
asked by polly 
Circuits and electronics applications3
Note: In this problem we have chosen numbers for the part parameters to make it easier to compute an answer :). By the way, it is also hard to arrange zero resistance, except with superconducting materials at very low temperatures. In the circuit shown
asked by sengeni 
Bio
without oxygen cellular respiration grinds to a standstill although glycolysis can continue to make some atp anaerobically for a short time explain why the oxidative phosphorylation stops why does the citric acid cycle stop
asked by Edwin 
geometry
what is the probability of rolling a 6sided die and getting a 4 or a number divisible by 3
asked by moe 
Improving vocabulary
Chapter 11 sentence check 1 and 2 and final check "a cruel tear"?
asked by Rhodz 
maths
convert polar equation into rectangular equation? theta= 4pi/3. Confused kindly help
asked by Asfand 
Calculus application of sin function
a horizontal position of the pendulum of a grandfather clock can be modelled by h(t)=Acos(2(pi)t/T), where A is amplitude of the pendulum in meters, t is time in seconds, and T is the period of the pendulum, in seconds. If the pendulum has a velocity of
asked by Matt 
Drivers ED
A bicyclist is slowly riding in front of you as you prepare to make a right turn at an intersection. What would be your best response? A: Slow down and wait for the bicyclist to move past the intersection*** B:Honk your horn to alert the bicyclist to you
asked by Marylyn 
Circuits and electronics applications3
Figure 1 below shows the circuit we'll be using to explore the step response of an RLC circuit. The voltage source produces a 1V step at t=0. Initially the resistor has been set to 0Ω. We'll be probing the voltage across the capacitor, which will indicate
asked by sengeni 
maths
An aircraft takes off at an angle of 5.2 degrees to the ground.How high is it when it has moved 2000m horizontally from its takeoff point
asked by Riliwan 
Math
Shalya is baking muffins that require 1/2 cup vegetable oil she only has 1/3 cup of vegetable oil left. How much more does she need?
asked by Alex Rorberts 
Math
The sums of n terms of two arithmetic series are in ratio of 2n+1:2n1. Find the ratio of their 10th terms.
asked by Prince 
chemistry
The number of unpaired electrons and the element for [Xe]6s24f145d7: I know the element is Iridium but I cannot figure out the unpaired electrons!
asked by Jordan 
math 113
an object is thrown upwards and its height h(t) in meters after t seconds is given by the equation h(t)=1+4t5t^2 .when the object hit the ground.
asked by chrop 
Circuits and electronics applications3
Consider the second order low pass filter circuit shown below. The differential equation associated with the input voltage vi(t) and the output voltage vo(t) of this system can be written in the following form: A⋅d2vodt2+B⋅dvodt+C⋅vo=vi Where the
asked by sengeni 
math
A piece of paper in the shape of a sector of a circle of radius 10 cm and of angle 216 degree just covers the lateral surface of a right circular cone of vertical angle 2θ .Then sinθ is
asked by kritarth 
physics
an aeroplane has a mass of 15 tonnes. At cruising speed,air flows over the top of it's wing at 150 m/s and under the wing at 120m/s. Calculate the pressure in difference between the top and the bottom of the wing and the surface area underside the wing
asked by Kay 
calculus
Find the area of the region cut from the first quadrant by the curve r=2(2sin2ɵ)½
asked by Saud 
math
Use the distributive property to write an expression that is equivalent to the example below: 5(2x + 7) I think my answer is... 45.....How I got this answer was 5 x 2 + 5 x 7=45 10 + 35 = 45 Can you please double check my work?
asked by Donald 
math
Mrs, jones is having a pizza party for 19 students. each pizza will be cut in 6 slices. how many pizzas will Mrs jones need to order?
asked by barbara 
Physics
If a force of 15kg. wt acts on a mass of 14 kg, what will be its velocity after 8 seconds?
asked by Ritu 
Chemistry
A reaction of hydrolysis of Ba(NO) in a net ionic form?
asked by Patricia 
Circuits and electronics applications3
One way to model a vehicle is as a massive object that is connected by springs and shock absorbers to the wheels. Here is a simple model: There is a mass m suspended by a spring with spring constant k and a oilfilled shockabsorber with viscous friction
asked by sengeni 
English
1. Yosemite is famous for its natural wonders. 2. We arrived at Yosemite in the afternoon. ===================== In the sentences above, what does "Yosemite" mean? Is it Yosemite Valley or Yosemite National Park?  Anonymous, Wednesday, November 11, 2015
asked by rfvv 
Math
M/S. ABC limited is expected to pay RS. 18 every year on a share of its stock what is present value of a share if money worth is 9% compounded annually
asked by Shahzaib 
American Government
which of the following are types of crimes defined under criminal law? civil common felony misdemeanor tort my answers are civil and felony is that correct
asked by Leslie 
History
What were the details of the Great Compromise?
asked by Autumn 
American Government
what kind of state court system is set up so that trial courts hears those cases arising within its own district, circuit, or county, no matter what the subject might be? A. appellate courts B. geographically based courts C. state supreme courts D unified
asked by Leslie 
math
How far from the wall must you place a ladder of length 12m. if the ladder is to touch a point 10m above the ground?
asked by Dani 
Calculus
The base of a triangle is decreasing at the rate of 2 cm/ min and the height is increasing at the rate of 1cm/ min. Find the rate at which the area is changing when the base is 8 cm and the height is 6 cm. Is the area increasing or decreasing at that
asked by Muhammad 
Math
The number of ways in which 63 can be expressed as a sum of two or more consecutive positive integers.
asked by Tita 
English
Do you know the difference between when you need to use "the" and when you don't need it? I'm not english speaker can you teach me about itt?
asked by See 
Social Studies
Describe the Texans’ actions—how Texas came to exist. (America  Mexico war)
asked by Anon 
Physics
A catapult of a spring constant 100N/M contains 2.0J of elastic potential energy when it is pulled back. What is the extension of the rubber band? I know that E= F/K but I don't know how to work out the force from the information provided, help would be
asked by Holly 
Math
How do you write at least 6 fractions from the below ingredients list that serves 4 people. 1 cup allpurpose flour 2 eggs 1/2 cup milk 1/2 cup water 1/4 teaspoon salt 2 tablespoons butter , melted How do I make these fractions? PLEASE PLEASE PLEASE PLEASE
asked by Donald 
chemistry NMR helpppp
really really need some help, been stuck on this for toooo long. Some Data: "A" triplet for 3H (2 neighbors) "B" quartet for 2H (3 neighbors) "C" singlet for 3H (no neighbors) "D" singlet for 2H (no neighbors) Alright here is what i have so far: im trying
asked by Anonymous 
Intro to Business
Because of ____,it may be legal to bribe other businesses and governmen officials in some south american countries,while this practice is still illegal in the u.s
asked by Malayah 
biochemistry
how many grams each of tris and tris HCl are needed to make up 500ml of 1m tris buffer with a PH of 8.0. pka of tris =8.3 mwt of tris =121 mwt of tris HCl =175
asked by Anonymous 
Electronics
How long does it take for a 10 motivated capacitor with a 1 megaohm resistor in series to charge to 67% (1 time constant) of the applied voltage?
asked by Pete 
Physics
Jacob is working on his physics portfolio and stands on a 0.45m high step. If Jacob’s mass is 103kg, what is his potential energy while on top of the step? Givens: Unknown: Equation: Substitute: Solve:
asked by Anonymous 
Trigonometry
I do not know how to find a single function of x or ø by using an identity. How do you find a single function using identities for a problem such as: cos(3pi/4  x)
asked by Roze 
Physics
Jacob is a little too excited about finishing his homework and throws his hands up in the to shout, "I'm done!" He accidentally drops his 2.3 kg pencil straight down from a height of 2.12 m. what will be the kinetic energy of the pencil just before it hits
asked by Anonymous 
chemistry
if i have an isopropyl group and the a carbon with a methyl group on it, will the methyl protons be split by the isopropyl protons? (CH3)2CC(CH3)
asked by Anonymous 
Physics
A playground merry–go–round has a mass of 118 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.470 rev/s. What is its angular velocity after a 20.0–kg child gets onto it by grabbing its outer edge? The child is initially at
asked by Anonymous 
Calculus AB
Could someone please help me with these tangent line problems? 1) Find the equation of the line tangent to the given curve at the indicated point: 3y^3 + 2x^2 = 5 at a point in the first quadrant where y=1. 2) Show that there is no point on the graph of
asked by Annie 
Math
What percent of 7,450 is 1,192
asked by Jenny 
English
1. You should draw water from a well. 2. You should draw water out of a well. (Are both the same?) 3. The man magically pulled a bird out of his hat. 4. The man magically pulled a bird from his hat. (Are both grammatical?) 5. I don't have a lot of money in
asked by rfvv 
English
1. Can you imagine people can fly to mars in the future?  Can we use "believe, guess, suppose, think, and consider" instead of 'imagine? 2. Put on the helmet for safety. 3. Wear the helmet for safety. (Are they all the same in meaning?
asked by rfvv 
English
1. There used to be a traffic cop on the corner. 2. There used to be a traffic officer on the corner. 3. There used to be a traffic police cop on the corner. 4. There used to be a traffic police officer on the corner.  Can we
asked by rfvv 
English
1. Raise your hands on your head. 2. Raise your hans over your head. 3. Raise yor hands above your head.  (What will be the right position after the listeners do as they are told? Are the following positions right?) In #1, the
asked by rfvv 
Math
Ron wants to buy a used car and needs to have a down payment of 10% if the car Ron wants to buy costs $5,300 how much down payment will he need
asked by Jenny 
Math
80% of what number is 40 ?
asked by Jenny 
Math
Science is the favorite subject of 73% of student at a school. There are 700 students at the school. How many of them like science best?
asked by Jenny 
Multiplication
How can you use 4×7 to find the 8×7 find the product.
asked by Alyson 
Math
At franklin middle school there are 360 students graduating this year after graduation 198 of the students will go to Wilson high school what percent of the graduating students will go to Wilson high school
asked by Jenny 
Math
Evaluate the following expression: (2 x 3)>2  5>2 The answer I got was 11...How I got this answer was 6 x 6 = 36 and 5 x 5 = 25 then I subtracted 3625=11`
asked by Donald 
Chemistry
h2po4(aq) + co34(aq) hco3 (aq) + hpo42 (aq)
asked by Adam 
bms 100
an employee,who received fixed annul increments,had a final salary of sh 9000 after 10 years.if his total salary was sh 65000 over the 10 years,what was his initial salary?
asked by jackline 
P
Find the resultant of 50 N acting east and 30 N acting 30 degrees northeast.
asked by Ilith 
Physics
Find the resultant of 50 N acting east and 30 N acting 30 degrees northeast
asked by Ilith 
Physics
Two glass microscope slides, of length 10 cm, are in contact at one end and separated by a sheet of paper at the other end, which creates a wedgeshaped film of air. The thickness of the paper is t = 59 μm, and the glass has index of refraction n = 1.5.
asked by Po 
Biology
In a population the proportion of homozygotes in 18 times, the proportion of homozygous recessive. Calculate the frequency of the 2 alleles?
asked by Kathew 
English
When did they arrive at Yosemite? 1. They arrived at Yosemite in the afternoon on July 20. 2. They arrived at Yosemite on the afternoon of July 20.  Which answer is right?
asked by rfvv 
sta
1800 students took the scholarship exam and the resulting scores generated a mean of 40 and SD of 10. How many will pass the exam?
asked by raymund 
Math
Place in order from least to greatest 8.2,0.4,2.4?
asked by Miy 
Maths
If it is 9am now, what time will it be in 2003 hours from now? Mental way please.
asked by Ben 
Earth Science
PLEASE HELP! URGENT! 7. Which letter arrows point to hanging valleys? 8. Which letter arrows point to aretes? 9. Name a peak on the map that is a horn. 10. Feature E on the map is composed of glacial till. What type of glacial feature is E, and how did it
asked by Jade 
Trigonometry
I posted this earlier today: I do not know how to find a single function of x or ø by using an identity. How do you find a single function using identities for a problem such as: cos(3pi/4  x) But I think either I'm trying to find ø or I'm trying to
asked by Roze 
Physics, Class XI
If a force of 15 kg. weight acts on a mass of 14 kg, what will be its velocity after 8 seconds? What is the process to apply the formulas in this question? Please help me fast!
asked by Ritu 
Biology
The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of interacting molecules in signal transduction would a change in affinity of one for the other NOT affect how they work in signal
asked by Kelsey 
basic science
3 component of environment
asked by goodness 
Cell Biology
The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of interacting molecules in signal transduction would a change in affinity of one for the other NOT affect how they work in signal
asked by Kelsey 
Maths
I have a patio which is 3m wide. The roof of this consists of sheets of plastic which are 900mm wide. I have used as few sheets as possible and made all overlaps the same width. What is the width, in millimetres, of this overlap? A. 100 B. 150 C. 200 D.
asked by Ben 
Math
An exercise book costs $0.9 and a pencil cost $0.6. What is the total cost of buying: 2 exercise books and y pencils in terms of Y?
asked by Dora 
Circuits and electronics applications3
We are presented with a familiar firstorder circuit: a capacitor driven by a Thevenin source. Now we have a sinusoidal drive that starts at t=0. so the differential equation is RCdv(t)dt+v(t)=vI(t)=Vicos(ωt)u(t) and we are given the initial state
asked by sengeni 
Circuits and electronics applications3
We are working on finding the particular solution for the firstorder linear constantcoefficient ordinary differential equation: RCdvP(t)dt+vP(t)=Vicos(ωt) The new idea is to find the particular solution for the related equation
asked by sengeni 
Circuits and electronics applications3
In working with complex exponentials we need some simple rules and short cuts for doing the algebra. Remember that a complex number z is a vector in the 2dimensional plane. It has a length (also called "magnitude") z and an angle ∠(z) measured
asked by sengeni 
Circuits and electronics applications3
Suppose we have a circuit where the ratio of the complex amplitude of the particular integral to the amplitude of the driving sinusoid is VpVi=jωRC1+jωRC Given that R=0.82kΩ and C=10.0nF we will compute the magnitude and phase of this ratio for various
asked by sengeni 
Maths
The distance between 2 towns is 330km. A train travels between these two towns and returns on the same day. On the return journey, the train left late and so the driver decided to drive the train 5km/h fasterthan its inward journey, and it took 30 minutes
asked by Hank 
Science
If The Force Of The Body Is 15 (N) And Travelled In A Particular Direction For 5 Second Calculate The Impulse
asked by Adebiyi Abiodun 
Mathematics
A seller gets 10200rs in a month it includes his monthly sallary 6000 and 6% commission.Then find the total amount of the material he sold.
asked by Rashmi 
Math
A coin is tossed and a threesector spinner is spun. What are the chances of getting 1 Heads and a 2? *Please answer with a simplified fraction*
asked by Adira 
Math
using each digit once what is the largest odd numbers that can be formed using 6'8'and 5.. ano sagot insan.. hehe
asked by MArj 
English
1. famous: be known by many people in many places. 2. famous: be known to many people in many places.  word: definition Do we have to use 'be known by' ot 'be known to'
asked by rfvv 
science
A system contains 0.15 m3 of a gas at a pressure of 3.8 bar and 150 C. It is expanded adiabatically till the pressure falls to 1 bar. The gas is then heated at a constant pressure till its change in enthalpy is 70 kJ. Determine the total work done.
asked by seeoo 
Math
The difference between a number and the number that formed by reversing the digits is 36.if the digit at the tens place is twice the digit at the unit's place.find the number
asked by Anonymous 
Math
5x+2=10
asked by Dal 
Science
The linear momentum of a car and truck are equal.which have more speed
asked by Ashish 
Chemistry
Why does the white precipitation turns dark when adding Na2S2O3 drop wise to AgNO3 sollution
asked by Pramodi 
Physics y.s.n.
A body start with an initial velocity of 10metre per second move along the straight line with constant acceleration and the velocity of the body is 50 metre per second the acceleration is reversein the direction find the velocity of the particle as it
asked by Nisha 
Analytic Geometry
a circle which is centered at (2,5) and has a radius of 4 units
asked by Krisha 
math
Factorize:4x^2+20x+25
asked by shima 
math
Graph the quadratic equation f(x)=x^28x+16
asked by shima 
Physics
A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s. a) Away from the siren? b) Towards the siren?
asked by Rita 
Math
Volume of cube 512 find the surface area?
asked by volume of cub 512 find the surface aera 
Maths of class 9
P and q are points on side CD of a parallelogram ABCD. Show that area of trianglePAB =area of triangleRAB
asked by Abdullah 
Chemistry
the solubility of aspartic acid in water is .500 g in 100 mL at 25 degrees C. If .251 g of aspartic acid is dissolved in 50. mL of water at 50 degrees C and let solution cool to 25 degrees C. is the solution supersaturated, saturated, or unsaturated. the
asked by Nicole 
Biochemistry
How many grammes Tn3 and Tn3 HCL are need to make up 500ml of 1m Tn3 buffer with a PH of 8.0? Pka of Tn3 =8.3 MW of Tn3 =121 MW of Tn3=157
asked by leaking 
applied maths
Partv1v2cle A and B have masses 0.75 and 0.65 respectively. They are approaching each other moving along a straight line with speed 6m/s and 4m/s respectively. The coefficient between them is 4/3. After collision,the direction of motion of B is reversed.
asked by yhakubu