# instrument

356 results

### English-help

1)Let the instrument switch on for 1 hour before analysis. 2)On the instrument for 1 hour before analysis. 3)Switch on the instrument and leave it on for 1 hour before analysis. 4)Switch on the instrument and conduct the analysis after 1 hour. 5)Turn on the instrument and ...

### Chemistry

I have 2 questions on columns used in the Gas Chromatography-Flame Ionisation Detector (GC-FID) instrument: - 1) If a capillary column is left in the GC-FID instrument for 2 months with the instrument switched off (i.e. instrument is not in use),will this affect the ...

### Probability

Let Θ be an unknown random variable that we wish to estimate. It has a prior distribution with mean 1 and variance 2. Let W be a noise term, another unknown random variable with mean 3 and variance 5. Assume that Θ and W are independent. We have two different ...

### physics

The acceleration due to gravity on a certain planet is about 6.5 \frac{m}{s^2}. What would a 78-kg scientific instrument weigh on Titan? W_{instrument} =______________ N (no rounding up)

### Probability

Let Θ be an unknown random variable that we wish to estimate. It has a prior distribution with mean 1 and variance 2. Let W be a noise term, another unknown random variable with mean 3 and variance 5. Assume that Θ and W are independent. We have two different ...

### math

4.In Amy’s English class, 30% of the students play an instrument. She does not know how many in the whole school play an instrument, but there are 500 students in the school. A.Solve the proportion 30/100=n/500 to estimate the total number of students in the school who play ...

### physics

A null type of instrument as compared to a deflection type instrument has a higher accuracy or a lover sensitivity

### Buisness Law

What is the function of a negotiable instrument? Describe the essential elements of a negotiable instrument.

### chemistry

The amount of organic carbon in a sample can be obtained by IR analysis of the carbon dioxide (CO2) released following complete combustion of the sample in oxygen. A reference sample of an organic compound is usually used to calibrate the instrument response. In an analysis of...

### 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...

### 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...

### 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...

### 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...

### physics

Two instruments are playing musical note "A" (440 Hz). A beatnote with a frequency of 2.5 Hz is heard. Assuming that one instrument is playing the correct pitch, what is the frequency of the pitch played by the second instrument?

### Math

instruments played in a band include a piano drum guitar and saxophone.dave does not use his mouth to play his instrument. ted and lindas instruments have strings. dave, sue and linda carry their instruments.who plays each instrument?

### physic

Two currents from different sources flow in opposite directions through a resistor. I1 is measured as 79 mA on a 100 mA analog instrument with an accuracy of ±3% of full scale. I2, determined as 31 mA, is measured on a digital instrument with a ±100 µA accuracy. Calculate ...

### Stats

The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a mean of 0.028 failure per hour. (a) What is the probability that the instrument does not fail in an 8-hour shift? (b) What is the probability of at ...

### physics

A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies of the wind ...

### PHYSICS

A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies of the wind ...

### Math

An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally ...

### math

An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally ...

### English

1. There is a thermometer in the instrument screen. 2. There is a thermometer in the instrument shelter. 3. There is a thermometer in the shelter. ------------------------- Which expression is gramamtical?

### Geodetic Survey

a surveyor is trying to determine the change in hight h from the bottom to the top of a hill. If the height of instrument H is 4.5 ft the height of the object that he sights on the tower A is 6.5 ft and the zenith angle Z is 54deg 16' 25" determine the height of H (...

### Math

At a school, 15% of the students play an instrument. How many students do not play an instrument?

### Physics waves- help please

1. A person is listening to a new instrument capable of sounds ranging from 10 dB to 150 dB and with frequencies from 12 Hz to 30,000 Hz. Comment on the suitability of this instrument for the musician or audience. 2. A guitar emits a 440 Hz tone. How far apart are the crests ...

### math

An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally ...

### math (discount)

An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale, an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally...

### English

I need to revise these sentences. Can you please help me? 1) What music instrument do you play? Which music instrument do you play? 2) When does their show start? What time does the show start? 3) Do you have a lot of fun? You always talk around. (What does "talk around" mean...

### math

In Mrs.Marshall's classroom, 6/7 of the students play sports. Of the students who play sports, 4/5 also play an instrument. If there are 35 in her class how many play sports and an instrument?

### Check answers

1. An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's A. duty B. accommodation C. primary liability D. secondary liability I chose C. 2. A defense that arises out of some improper act or omission by...

### maath algegra 5

force of gravity on Earth is 6 times greater than on the moon. As a result, objects weigh 6 times as much on Earth as they do on the moon. A scientific instrument weighs 34 pounds on the moon. How much does the instrument weigh on Earth

### ALGEBRA

The force of gravity on Earth is 6 times greater than on the moon. As a result, objects weigh 6 times as much on Earth as they do on the moon. A scientific instrument weighs 34 pounds on the moon. How much does the instrument weigh on Earth?

### practical math

7 children play the piano. 8 children play flute. 5 children do not play an instrument How many fewer children do not play an instrument?

### Science

Physics A scientific instrument weighing 98 pounds on the Earth is transported to another planet whose mass is 1.7 Earth masses and whose radius is 0.7 Earth radii. What does this instrument weigh on this planet? To be graded correctly, enter the new weight in pounds (numbers ...

### MATH

In Mrs.Marshall'd classroom, 6/7 of the students play sports. Of the students who play sports, 4/5 also play as instrument. If there are 35 students in her class, how many play sports and an instrument?

### Statistics

Suppose that you are designing an instrument panel for a large industrial machine. The machine requires the person using it to reach 2 feet from a particular position. The reach from this position for adult women is known to have a mean of 2.8 feet with a standard deviation of...

### Music

I was wondering about transposing. Suppose I had to transpose something that's written for piano (F major with one flat) to let's say Bb clarinet (G major with one sharp). My question is what method can I use to determine how many flats or sharps the second instrument needs to...

### Physics

The A string of a violin is 31 cm long between fixed points with a fundamental frequency of 440 Hz and a mass per unit length of 5.8×10^−4 kg/m. What are the wave speed in the string? What are the tension in the string? What is the length of the tube of a simple wind ...

### business

You are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You decide you like the car and when you visit Bob to drop off the car, he hands you the following document and a pen: May 1, 201x I promise to pay to the ...

### sales

are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You decide you like the car and when you visit Bob to drop off the car, he hands you the following document and a pen: May 1, 201x I promise to pay to the order...

### Grammar

Choose sentence that is written correctly. - 50-50 1. She is uncertain whether or not she has had fevers: because she does not have an instrument for measuring body temperature. 2. Because she does not have an instrument for measuring body temperature, she is uncertain whether...

### algebra

Last year, one fourth of the students in your class played an ninstrument. This year, 6 students joined the class. Four of the new students play an instrument. Now, one third of the students play an instrument. How many students are in your class now 18, 24, 30, or 48?

### mathematics concepts

Select the answer choice that best describes children's readiness to understand how to tell time. A. Introduce the units of measurement in grade one; expect accurate measurement in second grade. B. It may be introduced in grade 2, but it will be beyond primary before accuracy ...

### You are interested in buying a new car and Bob let

You are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You decide you like the car and when you visit Bob to drop off the car, he hands you the following document and a pen: May 1, 201x I promise to pay to the ...

### English Grammar

Tasers preserve the function of weapons as an instrument for self-defense. Tasers preserve the function of weapons as instruments for self-defense. Which sentence is correct or how should it be revised?. Is function referring to instrument, or is weapons referring to instruments.

### earth

What is a scientific instrument?

### Algebra

For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

### Algebra

For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

### probability

For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

### instrument

this very moment by kcjojo

### Science

Instrument used to find mass _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ ?

### instrument

Who invented the harp? (or what country it originated from)

### instrument

What is the difference between a viola and a violin?

### instrument

HOW TO MAKE THE MUSICAL INSTRUMANT IN THE CLASSROOM

### Science

What instrument are used to measure mass?

### Physics

What is the purpose of the resonator stringed instrument

### science(sound#4)

What instrument has a low pitch?

### Science

Which instrument records seismic ways from a earthquake?

### science

name one instrument that can improve your observations

### instrument

i am having difficulties playing flute. what should i do?

### science

Instrument used to find mass _ _ _ _ _ _ - _ _ _ _ balance I am confused!

### Science

What tool/instrument is used to measure liquid volume?

### Music

Which instrument is not made of wood but belongs to the woodwind family?

### Science

What laboratory instrument utilized the wave nature of electrons?

### science

Which of the following is the best instrument to use to prepare a solution

### Science

what instrument is used to measure water vapor content of air?

### science

an instrument which we cant touch or see but when it plays,it captures our mind

### Chemistry

why do we use different instrument to make absorbance and fluorescence measurments?

### Chemisty

what instrument would you use to determine the mass of three apples

### Chemisty

What instrument would you use to determine the volume of orange juice

### English

I'll bet you can't guess my favorite musical instrument challenged my dentist

### SS

What type of instrument can you use to tell the direction an object is moving? A compass

### fin 301

explain how risk is taken into account for a financial instrument.

### Lions Creek

What is a 12 letter word the is the observations involving descriptions based on instrument measurements

### home economics

several factors people considered before investing in any financial instrument

### psychology 210

Consider how employers and fellow team members could use this instrument at work.

### english

how does raskolnikov, a tragic figure, from crime and punishment serve as an instrument for the suffering of others.

### 7th grade

What is a 12 letter word for observations involving descriptions based on instrument measurment?

### science

What instrument is used to accurately measure time it takes for a stone to drop 2metres? I am in yr 7

### Reading

paw is to cat as trombone is to instrument, hoof is to gallop, clock is to time, or stem is to daisy?

### PHYSICS

How is it possible to have an instrument like a bugle that has a fixed-air column play a melody?

### Science

How is it possible to have an instrument like a bugle that has a fixed-air column play a melody?

### biology

What is the name of the instrument use in measuring Ph slope,depth of water,hydrogen ion concentration.

### ap biology

why should you not rotate the volume adjuster of a micropipettor above or below the range written on the instrument?

### physical

Is about discuss the "White Privilege" instrument with at least one other person who is recially different

### music

The serpent eventually evolved into which modern instrument? bassoon tuba cornet French horn

### Assessments

If an instrument requires some professional judgments in scoring, then the manual should also include information on:

### English

I still have a few doubts on some sentences. I really hope you can have a look at them. 1) You have to go (?) through the metal detector. 2) Nature was an instrument of God (but not "an The English Renaissance was less connected to (not with) the visual arts. 3) During this ...

### Physics

Archimedes principle. The weight of the bouy is given, so the weight of water displaced by the submerged part of the bouy equals that. Figure the volume that weight of water displaces, then figure the height of a .33m diameter column of water will have of that volume. A large ...

### 7th grade

the name of a instrument carried by a weather ballon to measure upper level pressure, temp, humidity and winds

### grammar

which contain a helping verb. !) steel drums were invented in the caribean islands or 2)maracas are a south american instrument.i think 1.

### Chem.

How would you adjust the instrument for GC analysis to get better resolution? Please discuss. What is another GC detector and explain how it works and what sampler it is good for.

### Latin

Can you translate these? Raeda ad urbem nunitius festinat. Pueri canibus puellas petunt. With the Ablative of Means or Instrument Practicce

### ap biology

why should you not rotate the volume adjuster of a micropipettor above or below the range written on the instrument? what two things could happen?

### physics

the current through a meter movement is 150 micro amperes. what is the dc value if the instrument uses half-wave rectification?

### Statistic/Psychology

In using repression to predict an individuals performance on the criterion based on his or her score on the instrument, the prediction is least accurate when the correlation is: a.-1.00 b. 0.00 c 0.50 d. 1.00

### physics

a d'arsonval meter movement deflects to 0.8mA. what is the peak value of the alternating current if the instrument uses full-wave rectification?

### Math

using a circle graph of 1/3 percussion, 2/5 brass, 4/15 woodwind and also a circle graph of 1/3 woodwind, 1/6 percussion, 1/2 brass. Both bands combine as one band. A. What fraction of the band members will play brass instruments? B. what fraction of band members will play a ...

### assessment in learning

define the ff: 1. written-response instrument give examples. 2. product rating scales 3. performance tests 4. oral questioning please help...thanks...