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Questions (176)
A: What is the smallest increment on the voltmeter?
B: What is the uncertainty? Select two answers: one for question A and one
0 answers
152 views
The ratio of the number of Meili's books to Sulin's was 1:2 at first. After Meili bought another 12 books the ratio became 2:1.
0 answers
147 views
1. A 25 kg crate is pulled at constant speed a distance d = 5.7 m up a frictionless ramp to a height h of 2.5 m above its
1 answer
286 views
Find the TOTAL surface area of the pyramid. Use the formula below to help.
Pyr6.PNGLA Pyramids-2.PNG
1 answer
274 views
Which of these is another way to write the function g(x)=3x?
g(x)=3(9x+2) g(x)=3(9x−2) g(x)=9(3x+2) g(x)=9(3x−2)
1 answer
253 views
A washing machine was originally sold at 5600 but due to modernization it is now sold at 7000? Find the profit or loss
1 answer
367 views
you toss your keys at the desk. keys leave your hand at y0 = 2.04 meters above the floor traveling at an angle 𝜃 = 11.7
1 answer
326 views
suppose that the position of a particle as a function of time is given as:
x(t)=1t^4(i^hat)+(-2t^3+1t^4)j^hat a) determine
1 answer
640 views
Which statement best explains how widespread use of the printing press changed European society?
1 answer
408 views
Mr. Wilson invested money in two accounts. His total investment was $30,000. If one account pays 3% in interest and the other
1 answer
1,036 views
Assume a bank loan requires an interest payment of $85 per year and a principal payment of $1,000 at the end of the loan's
1 answer
1,582 views
Stages 2 and 3 of the demographic transition are similar in that
A. both have high birth rates B. both have declining death rates
2 answers
1,233 views
A young lawyer wishes to work in the federal government to improve society. The lawyer is 32 years old, a natural-born U.S.
1 answer
652 views
What is the volume of a sample of helium that
has a mass of 3.35 × 10−3 g, and a density of 0.17847 g/L?
1 answer
370 views
Two-fifths of the instruments in the marching band are brass. One-eight of the brass instruments are tubas.
What fraction of the
1 answer
484 views
a 20 foot latter will be used to paint the exterior of a house. The foot of the latter needs to be 4.5 feet from the base of the
2 answers
503 views
How much of a solution that is 45% sulfuric acid needs to be mixed with a solution that is 90% sulfuric acid to produce 120
1 answer
813 views
-4+7x+4=8 direct vriation
2 answers
354 views
if the terminal side of an angle , theta, passes through the point (3,-5). find sin(theta)
1 answer
1,069 views
TWO YEARS AGO, KIM INVESTED RMP AT HER ACCOUNT WHICH EARNS r% simple interest . after eighteen months , she noticed that the
2 answers
1,813 views
What is the ratio of the area of sector AOB to the area of sector COD?
1/3,1/4,1/9,3/8
1 answer
1,248 views
A ball is launched from a slingshot. Its height, h(x), can be represented by a quadratic function in terms of time, x, in
1 answer
2,461 views
1. Joseph ate dessert before he ate dinner. --> Are the capitalized words a phrase or a clause?
Answer: Clause. 2. She left early
3 answers
630 views
Define verb tense. Write a sentence that has a simple present tense verb. Rewrite it, changing the verb to simple past tense,
1 answer
927 views
if you spend 4/7 of your money and have $15 left how much did you spend
3 answers
489 views
why is 0.57 considered a rational number?
2 answers
1,195 views
What is mean , Write a set of 10 ordered pairs that represent a function?
1 answer
463 views
An optical fiber is made of a clear plastic with index of refraction n=1.6, For what angles with the surface the light remain
0 answers
743 views
A stone is thrown into water pond forming 10 waves in 5 seconds. The diameter of the first crest is 13 m and the diameter of the
1 answer
607 views
Classic Furniture purchases dining room sets with an invoice date of September 27, and terms of sale of 3/10, n/60. What is the
2 answers
1,717 views
The acceleration of gravity is 9.8 m/s
2 . What is the magnitude of the total force on a(n) 87 kg driver by the dragster he
1 answer
579 views
In three successive years the price of the common shares of Bedrock Resources Ltd. fell 40%, 60%, and 70% ending the third year
0 answers
509 views
A box slides down a 28° ramp with an acceleration of 0.98 m/s2. Determine the coefficient of kinetic friction between the box
1 answer
641 views
what could cause the difference in the actual number of mole and the expected number of mole in copper oxide?
1 answer
420 views
what is the molar ratio of 0.114 copper to 0.116 oxygen? Then how do you make an empirical formula from this information?
1 answer
469 views
in a empirical formula lab how do you calculate the number of moles of Cu in 0.0114 moles of CuSo4*H2O? Thanks
1 answer
476 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.
x+y=4,x=5−(y
1 answer
587 views
A hunter wishes to cross a river that is 1.0 km wide and that flows with a speed of 4.9 km/h. The hunter uses a small powerboat
1 answer
704 views
sum of 3 number is equal 39 , the second number is half of third number ,and the first number less than third number by 1,the
1 answer
603 views
which complementary functional group from dopamine would need to be present in the receptor for the interaction to occur.
0 answers
524 views
which complementary functional group from dopamine would need to be present in the receptor for the interaction to occur.
0 answers
516 views
i need to find the enthalpy for COF2
F2 (g) + CO (g) --> COF2 (g) i found -507 but i am not sure if it is correct
0 answers
592 views
i need to find the enthalpy for COF2
F2 (g) + CO (g) --> COF2 (g) i found -507 but i am not sure if it is correct
0 answers
692 views
what is the research problem discussed in the article: UNDER SURVEILLANCE: AN EMPIRICAL TEST OF THE EFFECTIVENESS AND
5 answers
673 views
explain the relationship between theory and hypothesis development and testing
0 answers
404 views
a stone is thrown vertically upward with a speed of 10.5 m/s from the edge of a cliff 76.0 m high.
how much later does it reach
1 answer
756 views
1.45-7.3
1 answer
302 views
find value of p such that the equation (x+1)(x+2)=p
1 answer
376 views
simplify aab-3/Ba^2b-2
0 answers
307 views
What chemical feature in the protein dictates the local secondary structure?
α-helix β-pleated sheet random coils amino acid
6 answers
479 views
Balance the following redox reaction and identify the oxidizing and reducing agents
A- Fe2+(aq) + Cr2072-(aq) -->Fe3+(aq) +
0 answers
1,130 views
Calculate the molar solubility of silver chloride (AgCl) in:
a-deionized water and b-.20M NaCl solution Given Ksp=1.6*10^-10
0 answers
497 views
I need to write a Year 9 English Unit on the novel,"Strange Objects" by Gary Crew. I can't seem to find any resources to assist
2 answers
500 views
What are the groups of atoms inside iron called?
3 answers
372 views
To raise the temperature of 200.8 g of water from 50.00 °C to 60.00 °C requires how much heat?
3 answers
455 views
lura has 4 yards of material.she is making clothes for her doll. each dress requires 1/6 yards of material. how many dresses
3 answers
877 views
A piece of cardboard measure 12ft by 12ft. Corners are to be cut from it as shown by the broken lines, and the sides folded up
1 answer
815 views
What is the term used to describe making older buildings more resistant to earthquakes?
0 answers
436 views
i am trying find out how you would find the height of a rectangular prism if the surface area is 100 and length is 10 and width
1 answer
445 views
i need someone to show the formula for this problem and amswer i have 16 not sure
sally's art project is in the shape of a
2 answers
581 views
aesthe tics is concemed with matters such
2 answers
325 views
Three security cameras were mounted at the corners of a triangular parking lot. Camera 1 was 151 ft from camera 2, which was 122
1 answer
1,423 views
help me with missing number
input 1 2 3 4 5 output, 2 , 5, 10, ?,26
1 answer
338 views
Cant figure this out, I feel like the answer I keep getting is way too low.
A voltaic cell is constructed that is based on the
0 answers
725 views
Hi everyone,
I have been trying to figure out this titration equation all day and for some reason I am stumped. Here is the
2 answers
2,217 views
THE LARGEST NON PROFLT ASSOCIATION IN THE UNITED STATES REPRESENTION EARLY CHILDHOOD EDUCATION IS THE
1 answer
483 views
keeping systematic record of observations of children provid useful information for
0 answers
310 views
agood technique to prevent children from talking to you while you,re observing is to.
1 answer
418 views
there Are four children in a family, the sum of the squares of the ages of the three youngest children equals the square of the
3 answers
823 views
A paper cup is to be designed in the shape of a right circular cone. It must have a capacity of 12 fluid ounces (1 fluid ounce =
1 answer
1,706 views
equivalent expression for 2log(x+1)-2log(x-1)-log(x-1)
2 answers
426 views
two tall buildings are 200m apart .with what speed must a ball be thrown horizontally from the window 540 m above the ground in
4 answers
4,627 views
how large a sample size is needed for 2 sided 95% confidence interval to have a length of 2 weeks when mean is 3.6
0 answers
415 views
a missile is launched an angle of 26.5 with respect to the horizontal. if it travels in the straight line over the level Terran
1 answer
597 views
a television antenna is on the roof of the building. from a pt. on the ground 36.0 feet from the building , the angle of
1 answer
614 views
the product of two consecutive even integersis 34 less than 7 times their sum.find the two integers.
1 answer
1,044 views
One number is 10 more than twice another.Their product is 10 more than twice their sum.Find the numbers.
1 answer
526 views
this summer I will be going to a theme park with my best friend will go too. It will be fun. Because I like when I get to go
3 answers
640 views
which one of the following contingencies must be accrued on the balance sheet
1 answer
547 views
in the poem the sloth by theodore roethke is there any personification, alliteration, imagery or onomatopoeia
1 answer
1,115 views
how do you tell which reactant is limiting reactant with the following information:
mass of cup 55.78g mass o/sodium bicarbonate
1 answer
663 views
explain the role of protein misfolding and aggregation in bovine spongeform encephalopathy
0 answers
321 views
A sled which has a mass of 45kg is sitting on a horizontal surface. A force of 120 N is applied to a rope attached to the front
2 answers
2,246 views
The sum of the digits of a two-digit number greater than 50 is 12. The difference between the digits is 4. Find the two-digit
1 answer
429 views
When a sample of carbon dioxide gas is at 36 degrees and 105 kpa is heated the new pressure of the gas becomes 165kpa. Determine
1 answer
635 views
In a portable defibrillator, energy is stored in a capacitor charged to a high potential difference. The capacitor
is
1 answer
706 views
given the following population data, x=17,13,23,15,19,19,21,28 calculate the z score value for a score of 18.
1 answer
894 views
what is the rule for input 36 output 9 input 17 output 9 input 24 output1 input 18 output 0
0 answers
434 views
When Sandy decreased her savings by 75% and Gene increased hers by 40%, they would save $280 each. What were their total savings
1 answer
520 views
Amy had 20% more money than John. After she spent 50% of her money, she had $72 less than John. How much money had she left?
1 answer
1,134 views
At present, the ratio of Ann's age to Pamela's age is 4:3. Six yrs ago, their total age was 72yrs. what is Pamela's presnt age?
1 answer
772 views
Mr Neo has fewer than 200 sweets. He wants to give his class an equal number of sweets. If he gives each pupil 3 sweets, he will
1 answer
577 views
Cindy went to the store with just enough money to buy 11 files.However, she bought only 8 files and spent the rest of her money
1 answer
564 views
Daniel, Susan and Rick bought some cookies to sell. The cookies were sold at 6 for $2. Daniel sold 1/4 of the cookies. Susan
2 answers
608 views
there are 15 guppies, 14 angelfish and 5 goldfish in a tank. how many guppies and goldfish must be added so that the ratio of
1 answer
479 views
60% of the people on a bus are male. After 1/3 of the males alighted from the bus, what percentage of the people left on the bus
2 answers
474 views
test 55%answer correct 44 correct answers how many questions on test
1 answer
390 views
why is hexane known as hydrocarbon?
0 answers
316 views
what is 6y square -5y -2??
1 answer
360 views
A gas is contained in a metal cylinder with a piston, so that the volume of the cylinder can change. If the gas initially
0 answers
629 views
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