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Science and Mathematics
Page 2
Questions (396)
in a class, 156 students study science and mathematics.if they passed at least one subject and twice as many passed science as
9 answers
asked by
Sakyi Richard
2,928 views
Do experimental measurements give the true value of a physical quantity?
explain. ~I say no it doesn't. But why that is is up to
9 answers
asked by
~christina~
4,072 views
what is the best unit measurement for the capacity of a travel-size bottle of shampoo?
Fluid ounces. (MY ANSWER) Pint. Quart.
10 answers
asked by
LOVE
3,288 views
It took a manticore the same amount of time to fly 10 miles with the wind as 5 miles against the wind what is the speed if the
4 answers
asked by
rei
1,465 views
A 0.464 gram sample of a metal, M, reacts completely with sulfuric acid according to:
M(s) +H2SO4(aq)=MSO4(aq)+H2(g) A volume of
5 answers
asked by
Raul
6,135 views
How much ice (in grams) would have to melt to lower the temperature of 355mL of water from 26∘C to 6∘C? (Assume the density
5 answers
asked by
Anonymous
6,937 views
The half-life for the first-order conversion of A to B is 56.5 hours. How long does it take for the concentration of A to
4 answers
asked by
Kristen
1,699 views
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 6 to n = 1.
6 answers
asked by
Laurie
5,598 views
Which of the following orbitals designations are not possible? explain why. A: 8s, 2d, 7p, 4f, 1f. B: 3f, 6p, 3d,1p, 8d.
4 answers
asked by
Erickson Warea
4,327 views
Calculate the percentage error arising in an experiment if 1-mL, 5-mL, and 10-mL pipets are used for transfer and each pipet
4 answers
asked by
Anonymous
3,215 views
what is the volume of 62.3 g of nitrogen gas at STP
4 answers
asked by
karen
3,513 views
The folrmula F=9/5c+32 can be used to make temperature conversions with the Celsius ans Fahrenheit temperature scales.
F-Fahrenhe
5 answers
asked by
G
3,409 views
What is a measurement that includes both a magnitude and a direction known as?
vector quantity magnitude scalar quantity volume
4 answers
asked by
Bri
2,988 views
Q 31 The sum of the weights of an iron piece and of a copper piece is 1280 gm. The volume of the copper piece is twice that of
4 answers
asked by
usha
2,386 views
A nurse requires a 40% alcohol solution. The nurse has 20% and 70% alcohol solutions on hand. How many liters of each should the
4 answers
asked by
Adrianna
1,752 views
A hot air balloon is 150 ft above the ground when a motorcycle passes beneath it (traveling in a striaght line on a horizontal
4 answers
asked by
Linda
1,376 views
Convert a density of 13.6g/ml to lb/ft^3
3 answers
asked by
Anonymous
729 views
How do I calculate the overall confidence limit and the overall relative confidence limit for the percent chloride?
I've found
4 answers
asked by
Danielle
1,040 views
i have this problem, it asks:
(a) With what speed must a ball be thrown vertically from ground level to rise to a maximum height
2 answers
asked by
alk
771 views
The table shows the height of a plant as it grows.
What equation in point-slope form gives the plant’s height at any time? time
3 answers
asked by
3x speed
879 views
write three measurements using grams and three measurements using milligrams that total 15.4 grams
10 answers
asked by
May
1,314 views
What is the concentration of Pb in mg/L , if you have 25 mg Pb in 5kg of seawater? (note: density of seawater is 1.025 kg/L)
3 answers
asked by
Sam
631 views
In a class of 40 students;30 offer science; 20 offer mathematics and 8 neither.
a.illustrate this information on a venn diagram .
4 answers
asked by
tori
1,202 views
Question
A mixture of alcohol and water has the density 750 kg m 3.calculate the ratio in the mixture of alcohol to water by
3 answers
asked by
"CRYING"HELP PLEASE!!!,THIS CAN SAVE A SMILE
943 views
a cyclist rides her bike at the speed of 18 kilometers per hour what is this rate in meters per second how many meters will the
3 answers
asked by
amber
2,964 views
what is the weight in newtons of a 250-g package of breakfast cereal?
3 answers
asked by
sam
802 views
what is the height length and width of a jolly rancher in centimeters?
5 answers
asked by
Anonymous
2,900 views
Express 336000j in calories
3 answers
asked by
himanshu
403 views
scuba diver was at a depth of 15 meters below the surface when she saw something interesting about 10 meters lower. She made the
4 answers
asked anonymously
135 views
If you obtain 160kJ how many grams of the black cherry almond bar did you eat
3 answers
asked anonymously
24 views
Fill a balloon with helium gas to a volume of 2.68 L at 23 celsius and 789mmHg. What would the volume of helium if the pressure
3 answers
asked by
LT
1,387 views
Cody and aria are painting a mural they decide they want part of the mural to have purple background aria uses 7 tbsp of blue to
5 answers
asked by
urmotherr
214 views
which unit of measurement is best to measure the amount of water in a swimming pool.
2 answers
asked by
giggles@
136 views
What is the mathematical relationship between force and work?
2 answers
asked by
Kells
203 views
10 CM LONG 4CM BROAD 1.5 CM THICK FIND THE DENSITY OF WOOD IN KG/MCUBED
4 answers
asked by
JAMEZ
740 views
Plutonium-239 has a half-life of 24 000 years. What percent of plutonium-239 remains after 10 000 years? (Answer=74.9%)
AND After
5 answers
asked by
Taylor Candice
1,572 views
A deep-sea diver is 4.5 m below the water level. At what depth is he now? At what height is he now?
5 answers
asked by
Rajdeep Sarkar
1,832 views
if n is the number of seconds between lightning and thunder,the storm is n/ Miles away.
write a program that reads the number of
4 answers
asked by
Given
888 views
How to find the volume of the solvent that is added to a diluted solution.
1 answer
asked by
Andreah
433 views
Calculate the total resistance for a 650 ohm, a 350 ohm, and a 1000 ohm resistor connected in series.
6 answers
asked by
peter
3,907 views
Calculate the volume of fuel needed for a flight if the jet fuel has a density of 0.803kg/L.First use dimensional analysis to
4 answers
asked by
treasa
2,272 views
calculate the mass and prepare 200ml 0.1M, 250 ml 0.2 N, 100 ml 3% of NaCl, Na2Co3 solution
4 answers
asked by
Anonymous
550 views
how to calculate the mass of hydrogen in 150.0 g of ethene
5 answers
asked by
george
3,178 views
I have a problem, the density of the metal = mass (2) - mass (1) over Volume (2) - Volume (1) =
My first mass and volume are
2 answers
asked by
Jackson
908 views
Choose an appropriate metric unit for the mass of concrete in a section of sidewalk A: kilogram B: miligram C: gram D: meter
3 answers
asked by
Gru
205 views
Which unit of measurement would you use to measure the length of a sidewalk?
3 answers
asked by
Ava
322 views
How long will it take to fill a water tank that can hold 100000 L of water
4 answers
asked by
Anonymous
310 views
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 94 degrees
3 answers
asked by
Cynthia
608 views
Write a rule for the table below
Hours Number of Bacteria 1 32 2 256 3 2048 4 16384 5 131072 6 1048567
3 answers
asked by
Avisibleghost
479 views
Which pipe configuration can deliver more water to presidents one 8 cm pipe or two 4cm pipes? Show your work and explain your
2 answers
asked by
OwO
739 views
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