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4 years ago

12

3.24 repeating as a fraction

2 answers:

olchik [2.2K]4 years ago

8 0

Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are
2
2
numbers to the right of the decimal point, place the decimal number over
10
2
10
2

(
100
)
(
100
)
. Next, add the whole number to the left of the decimal.

olga nikolaevna [1]4 years ago

7 0

Answer:

3. 157/50

Step-by-step explanation:

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The number of men in a tour group is 15 times the number of women. If there are 48 people in the group, how many are men? 45 30

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4 years ago

Help needed asap !!!!!!

Zinaida [17]

Answer:

b)0, yes

Step-by-step explanation:

Given:

Vectors (4,8) . (6,-3)

Finding inner product of vectors:

= 4x6 + 8x-3

=24-24

=0

Now to check the angle between them using formula a.b=|a|.|b|cosθ

|a|= $\sqrt{4^{2} +8^{2} } \\\sqrt{16+64}$

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=6.7

Putting values of a.b=0 and |a|=8.9, |b|=6.7 in a.b=|a|.|b|cosθ we get,

0= 8.9(6.7)cosθ

cosθ =0

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