The expenses for the duration of the four years that Kari will use in the university is $68600.
<h3>How to calculate expenses?</h3>
From the complete information, the expenses for the four years stay in the university will be calculated thus:
Tution = $8500
Room = $6700
Books = $1250
Miscellaneous expense = $700
Total = $17150
The expenses for the four years will be:
= $17150 × 4
= $68600
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The solution is:
.1*50+x=.25(50+x) 5+x= 12.5+ .25x
x-.25x=12.5-5 .75x=7.5 x=7.5 or .75
Answer:
The incorrect statement is <em>A. Alpha and beta particles pose little or no hazard to human health.</em>
Step-by-step explanation:
Alpha particle - the nucleus of a helium atom, made up of two neutrons and two protons with a charge of +2. Certain radioactive nuclei emit alpha particles. Alpha particles generally carry more energy than gamma or beta particles, and deposit that energy very quickly while passing through tissue. Alpha particles can be stopped by a thin layer of light material, such as a sheet of paper, and cannot penetrate the outer, dead layer of skin. Therefore, they do not damage living tissue when outside the body. When alpha-emitting atoms are inhaled or swallowed, however, they are especially damaging because they transfer relatively large amounts of ionising energy to living cell.
Beta particles - electrons ejected from the nucleus of a decaying atom. Although they can be stopped by a thin sheet of aluminium, beta particles can penetrate the dead skin layer, potentially causing burns. They can pose a serious direct or external radiation threat and can be lethal depending on the amount received. They also pose a serious internal radiation threat if beta-emitting atoms are ingested or inhaled.
Therefore, <em>alpha and beta particles do pose affect the health of human beings.</em>
Answer:
y+2=2/3(x-3)
Step-by-step explanation:
y-y1=m(x-x1)
y-(-2)=2/3(x-3)
y+2=2/3(x-3)
Answer:
y = 3x+2
Step-by-step explanation:
(3,7) (6,9) Y2=9 Y1=7 X2=6 X1=3
M = 9-7/6/3
2/3
