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3 years ago

At graduation, ⅗ of the graduates received flowers. What percent did NOT receive flowers?

Mathematics

2 answers:

Leviafan [203]3 years ago

8 0

Answer:

40%,2/5 did not receive flowers for there graduation.

Step-by-step explanation:

3/5=60%,100%-60%=40%

baherus [9]3 years ago

5 0

Answer:

40%

Step-by-step explanation:

3/5=60%

100%-60%=40%

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Match each of the following complex numbers with its equivalent expression.

Yanka [14]

Answer:

Therefore

$i^{110}=-1$

$i^{92}=1$

$i^{245}=i$

$i^{347}=-i$

Step-by-step explanation:

Complex Number :

A complex number is a number that can be expressed in the form

$a + bi$

where a and b are real numbers, and

' i ' is called an imaginary number.

The value of i is given as

$i=\sqrt{-1}$

Squaring both the side we get

$i^{2}=(\sqrt{-1})^{2}\\\therefore i^{2}=-1$

Therefore on substituting we get

For i^110

$i^{110}=(i^{2})^{55}=(-1)^{55}=-1$

Similarly for i^92

$i^{92}=(i^{2})^{46}=(-1)^{46}=1$

Similarly for i^245

$i^{245}=(i^{2})^{122}\times i=(-1)^{122}\times i=1\times i =i$

Similarly for i^347

$i^{347}=(i^{2})^{173}\times i=(-1)^{173}\times i=-1\times i =-i$

Therefore

$i^{110}=-1$

$i^{92}=1$

$i^{245}=i$

$i^{347}=-i$

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3 years ago

The cost of a pair of boots at a certain store is 145% of the cost of a pair of sneakers. The pair of sneakers costs $21.

Vilka [71]

Answer:

so $21+45%=30.45. meaning that pair of boots cost 30.45 so two pairs of boots would cost $60.90

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raketka [301]

Answer:

934 or 935

Step-by-step explanation:

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Write 15/80 as a percentage

Pavlova-9 [17]

18.75%

How much is 15 out of 80 written as a percentage? Convert fraction (ratio) 15 / 80 Answer: 18.75%

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Solve for x: x - 10 = -12 A. 2 B. -2 C. 22 D. -22

Sindrei [870]

Add 10 to both sides. X is 2. A.

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