3 years ago

What is the answer for 84 tens = what

1 answer:

7 0

84 tens equals 840 ones or 840 and it also equals 8 hundreds and 4 tens!

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Lerok [7]

Answer:

if you Simplify the expression it is 112x

(or 120-8x if 30x 24 is multiplication)

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2 years ago

Luda [366]

2 3/20 ,2 9/20, 2 1/2,2 11/20,2 4/5

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3 years ago

svet-max [94.6K]

Step-by-step explanation:

Name the total of pens purchased as x and the pencils as y... Make two equations and solve them. I also search for the pencils purchased in addition

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3 years ago

Sedbober [7]

1) 1
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3 years ago

Marina86 [1]

Answer:

Therefore the required probability is $=\frac{27}{128}$

Step-by-step explanation:

The probability of success is $\frac{3}{4}$

The number of trial = 4

X= the items survive out of 4

$P(x=r)=^nC_rq^{n-r}p^r$ p =the probability of success and q = the probability failure.

p= $\frac{3}{4}$ and $q=(1-\frac{3}{4})=\frac{1}{4}$

$\therefore P(X=2)=^4C_2(\frac{1}{4} )^2(\frac{3}{4} )^2$

$=\frac{4!}{2!2!} (\frac{1}{16} )(\frac{9}{16} )$

$=\frac{27}{128}$

Therefore the required probability is $=\frac{27}{128}$

3 0

3 years ago