Answer:
34
Step-by-step explanation:
184 divided bye 4
Assuming There is ONLY ONE CORRECT ANSWER,
The probability of her guessing the answer without ruling out the choices is 1/5.
if 3 choices are ruled out, then 1 out of the remaining two is right, which gives the probability 1/2
now, 1/5 = 20% , while 1/2 = 50%.
Therefore her probability of getting the correct answer improves by 30% [ not much in a REAL test though :P ]
It's 5 because the fraction when you divide. 23.
Answer:
A). Alberto is the only right one because .80 * 5 = 4$
B). Claude will need 1.60$ because .80 * 2 = 1.60$
C). Dora can buy 12.5 pounds because 10$ / .80 is 12.5
D). Using Alberto's because he was the one who was correct
Step-by-step explanation:
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We know that
AE*EC=DE*EB-----------> <span>String theorem
AC=8 in----------> AE=AC/2----------> AE=4 in
EC=AE-----------> EC=4 in
BE=2.5 in
DE=?
DE=(AE*EC)/EB----------> DE=</span>(4*4)/2.5---------> DE=6.4 in
<span>
then
diameter=DE+EB--------> 6.4+2.5=8.9 in
the answer is
the diameter is 8.9 in
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