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Elden [556K]
3 years ago
14

30 points: Answer the questions in the picture provided

Mathematics
1 answer:
Pie3 years ago
5 0
1).  Enrico Fermi directed construction of the the thing
that achieved the first sustained nuclear chain reaction,
under the stadium at the University of Chicago.

3).  'Fission' means splitting one big thing up into several
smaller things.

4).  The atomic mass of an atom is close to the sum of all
the neutrons and protons in its nucleus.

5).  'Fusion' means several small things joining to form a
bigger thing.

6).  Henri Becquerel is credited with discovering radioactivity.

7).  The names of Madame Marie and Mssr. Pierre Curie were
appropriated after their deaths and used as the unit of radiation.

2).  I have no idea what that symbol means, but 'neutron' is
the only choice left.

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HELP NEEDED PLEASE HELP
vova2212 [387]

Answer:

<em><u>3</u></em><em><u>0</u></em><em><u>0</u></em>

it is given that 12% were rotten

12% = 36

then let total no of apple be X

then , x*12/100 = 36

x= 36*100/12

x = 300

hence total apple were. = 300

hope it helps

6 0
2 years ago
Read 2 more answers
Martin burns 360 calories running for 30 minutes. Paul burns 165 calories for every 15 minute he runs. If Kara runs for 20 minut
Yanka [14]

Answer:  She would have to burn between 220 and 240 calories per minute to have a calorie burn rate between those of Martin and Paul.

Step-by-step explanation:

Martin:

360 calories / 30 min = 12 calories/min

Paul:

165 calories / 15 min = 11 calories/min

Kara:

Needs to burn between 11 and 12 calories/min, so we'll calculate the range:

11 calories/min x 20 min = 220 calories (minimum # calories she can burn)

12 calories/min x 20 min = 240 calories (maximum # calories she can burn)

7 0
3 years ago
A ladder leans against a building that angle of elevation of the latter is 70° the top of the ladder is 25 feet from the ground.
VashaNatasha [74]

Answer:

a. 20.5

Step-by-step explanation:

because this will form a right triangle we can use tan (opposite over adjacent) so an equation we could set up would be tan(70)=25/x

therefore we can just solve the equation which would give us 20.45. so if we round it the answer would be a

3 0
3 years ago
Read 2 more answers
Out of a total of 3000 available parking spaces in a mall parking lot, 1875 are taken. What percent of the parking spaces are ta
Iteru [2.4K]

Answer:

62.5%

Step-by-step explanation:

1875 diveded by 3000 = 62.5

6 0
3 years ago
Please help it’s pretty easy and I’ll reward brainiest
Julli [10]
A, hope this helps!!
8 0
2 years ago
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