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Science and Mathematics
Page 5
Questions (397)
50g of a substance has a volume if 100cm3. What is the density of the substance?
1 answer
asked by
Dixie
404 views
If you are given many closed sacks filled with different amounts of identical marbles, how could you determine the weight of a
1 answer
asked by
Hannah
466 views
if 50 grams equal to 150 calories,how many grams equal to 1,000 calories
1 answer
asked by
anthony
197 views
when a vehicle is manufactured,its wheels are calibrated to rotate a specific number of times for given speeds with "standard"
3 answers
asked by
Amanda
514 views
what is the velocity of someone running if he takes 120 seconds to run 200m
1 answer
asked by
jasha
325 views
need wieght in lb.s an apple weighs 1N mass in kilograms give weight in lb.s
2 answers
asked by
Student
965 views
How much water must be evaporated from a 300 L tank of 2% salt solution to obtain a 5% solution?
1 answer
asked by
Trisan
711 views
What type of graph would best illustrate the relationship between kinetic energy and the mass of an object?
* 1 point Bar graph
3 answers
asked by
Bre 🏐
91 views
i have to find the next two terms for a pattern of H,He,LI,Be. I am confused any help?
5 answers
asked by
patrick
433 views
can you check my reasoning
1. The problem statement, all variables and given/known data ok well then... we did a lab were you
7 answers
asked by
AP Physics B
757 views
Of course you have to rearrange it
X -Xo = (V-Vo)(V+Vo)/2a (X-Xo)2a = (V-Vo)(V+Vo) 2 a (X-Xo) = V^2-Vo^2 ok to go from the first
1 answer
asked by
Physics PLEASE
332 views
1. How heavy is he?
2. He is 48 kg. 3. He weighs 48 kg. (Is the question correct? Can we answer the question like #2 and #3?)
1 answer
asked by
John
417 views
I think The knots is being compared
1 answer
asked by
anonymous
262 views
Hi there,
I am an arts student who, due to signing up for classes very late in the semester, has been stuck with an environmental
1 answer
asked by
Forsythe
459 views
What is the rule of 30 and who came up with it?
I can't find the answer to this question and was wondering if anyone knew what is
3 answers
asked by
matt
426 views
what does grams mean??
1 answer
asked by
Taylor
314 views
Which measurement is used in the metric system?
A. kilogram B. yard C. mile D. gallon
3 answers
asked anonymously
63 views
experiment times: .15, .13, .16, .14, .15, .14, .15, .14
so i found the average to be .15 and the highest value was .16 the
1 answer
asked by
Tiffany
299 views
How many jumbo jets could fit into the Cheops pyramid if it was hollow?
1 answer
asked by
Juli
319 views
we are re-teaching the metric system and i forget how to do any of it! can you help me with like convertic and things? thx - k
1 answer
asked by
k gurl
191 views
How would you convert these?
Metric conversions 1. 2000 mg = _______g 2. 5.6 m = _____________cm 11. 16 cm = ______________mm
5 answers
asked by
Jill
429 views
Find a record breaking temp. for a city. Include name of city, temp., and record broke. Give the formula for converting degrees
2 answers
asked by
Leigh
572 views
how to convert tempetarues..
i forgot . do yo add 273C to get to kelvins or do you subtract...vise versa..??
1 answer
asked by
amie
435 views
If the sample has 1.9 mg/ml protein, how many microliters (ul) would you need in order to have exactly 30 micrograms of protein?
3 answers
asked by
Nadia
44 views
Does a note that is two octaves above another have four times the frequency ??
Thanks
1 answer
asked by
Lewi
346 views
I have a value of energy for a meal in kJ. How do I convert this into grams please?
1 answer
asked by
Sarah
295 views
This question involves the half-life formula. In this exercise, we are to give a half-life for an exponentially decaying
2 answers
asked by
kayse
925 views
hydrogen is being pumped into a spherical balloon at the rate of 250 cubic inches per minute. in a and b, you must provide an
2 answers
asked by
beckii
603 views
What is the difference between less elastic and more elasic? and which is better?
1 answer
asked by
cymber
331 views
Which measurement is used in the metric system?(1 point)
Responses kilogram kilogram mile mile gallon gallon yard
1 answer
asked anonymously
112 views
how to you find the samllest division when reading a scale
3 answers
asked by
tiff
341 views
How do you calculate percent recovery?
I have this info: Weight of sample used: 0.198g Actual weight of sample: 0.325g Other info
2 answers
asked by
Anonymous
528 views
Can someone tell me the equation for converting Celcius temperatures to Kelvin temperatures? Thanks
K = 273.15 + C
1 answer
asked by
Chrissy
402 views
Which of the following is a measure of volume: cups, centimeters, seconds, or kilograms?(1 point)
Responses cups cups kilograms
1 answer
asked by
Jojo
39 views
please help me get 100
which of the following is a measure of volume: cups, centimeters, seconds, or kilograms?(1 point)
4 answers
asked by
Kayla
57 views
Which word describes a three-dimensional shape?
A. hue B. line C. form D. space
1 answer
asked by
twizzies
35 views
Which measurement is used in the metric system?(1 point)
Responses yard yard kilogram kilogram mile mile gallon
1 answer
asked by
Jojo
45 views
Which equation below is correctly balanced?
A. CuCI2+2AI--> AICI3+Cu B.2CuCI2+AI-->AICI3+2Cu C. 2CuCI2+3AI-->3AICI3+2Cu D.
1 answer
asked anonymously
34 views
Which measurement is used in the metric system?(1 point)
Responses kilogram kilogram mile mile yard yard gallon
1 answer
asked by
Jojo
61 views
how many protons are in sodium
1 answer
asked anonymously
15 views
What is a yard a measure of?
A: temperature B: length C: volume D: time
1 answer
asked anonymously
33 views
what temperature is 7 degrees colder than 3 degrees? thank you for your help!
4 answers
asked by
lily
1,792 views
Hydrogen boils at 20K. What is the boiling point of hydrogen on the Celsius scale?
K is 273.15 degrees plus the celsius. so take
2 answers
asked by
Devon
1,696 views
What type of orbital is designated by the quantum numbers n=3, l=1, and magnetic number=0 ?
1f 3s 3p 4p give an explanation for
3 answers
asked by
Meg
1,612 views
The electronic balance displays the mass of an apple in kiograms(0.1). What is the mass of the apple? Suppose a recipe for
3 answers
asked by
Jenny
1,492 views
What formula shows atomic mass?
* atomic mass = # of protons + # of neutrons atomic mass = # of protons + # of electrons atomic
1 answer
asked anonymously
40 views
What is the unit for distance, speed and time
4 answers
asked anonymously
71 views
Alex is tracking temperatures today the temperature was 0 Celsius which is represented by the point(0,0) if the temperature
1 answer
asked by
Cat
75 views
A cat wakes up in its bed and visits its food dish to the left of its bed. Positions to the right of its bed are assigned a
1 answer
asked anonymously
145 views
Which of the following quantities is a velocity? a 25 m/s b 15 m/s2 c 10 km/hr eastward d 3 g/L in weight
1 answer
asked anonymously
27 views
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