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boyakko [2]
3 years ago
11

67.901 + 4.2

Mathematics
2 answers:
ANTONII [103]3 years ago
5 0
Can you explain better.
joja [24]3 years ago
3 0
I dont understand this what do the numbers represent
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The angular velocity of a fan blade is 6.2 radians per second.
MA_775_DIABLO [31]

Answer:

94.7 revolutions

Step-by-step explanation:

In the question above, we are given the following values for the fan

Angular velocity = 6.2 radians per seconds

Time = 1.6 minutes.

Step 1

We would convert the time given to seconds

1 minute = 60 seconds

1.6 minutes = ?

We cross multiply

1.6 minutes × 60 seconds

= 96 seconds

Step 2

Number of revolutions made by the fan is calculated as :

Angular velocity(rad/s)

× time(seconds)

Number of revolutions = 6.2 radians per seconds × 96 seconds

=595.2 radians

Converting from radians to revolution

1 radian = 0.159155 revolutions

595.2 radians =

Cross multiply

= 595.2 radians × 0.159155 revolutions

= 94.729056 revolutions.

Approximately to the nearest tenth = 94.7 revolutions.

Therefore, the number of revolutions the fan blade makes in 1.6 minutes is 94.7 revolutions.

8 0
3 years ago
The table shows a pattern of exponents.
ahrayia [7]

Answer: c. divide the previous value by 5

Step-by-step explanation:

7 0
2 years ago
What is the answer to this 2^2x =1/32
Alex73 [517]

Answer:

x=-\frac{5}{2}

Step-by-step explanation:

2^{2x}=\frac{1}{32}

2^{2x}=\frac{1}{2^5}

2^{2x}=2^{-5}

2x=-5

x=-\frac{5}{2}

8 0
2 years ago
Read 2 more answers
Factor the four-term polynomial.
Travka [436]
Group like terms , factor out common variable.

(xz+x) + (yz+y)
x(z+1) + y(z+1)

factor out (z+1)

= (z+1)(x+y)
= solution C.
6 0
3 years ago
Which is NOT true about a direct proportion?
Nina [5.8K]

Answer:

Because it is acorrding to question answer

7 0
3 years ago
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