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anzhelika [568]
3 years ago
14

Please help with answers

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0
1).  The inequality says "height is 54 or more".
Any height that is less than 54 does NOT qualify.

2).  The sign says  "Maximum total weight 800 pounds".
Any weight that's 800 pounds or less is OK.

3).  Paula has scored 21, 25, and 15 points.
. . . . . they're NOT all greater than 21
. . . . . they ARE all 25 or less
. . . . . they ARE all less than 30
. . . . . they ARE all 10 or more .

4).  First, write down the number of cans that
each student collected, but arrange them in order.
Then check each choice.
A).  misses the highest 3 students completely
B).  includes everybody
C).  misses the lowest 3 students completely
D).  OK, but the first and last intervals aren't needed,
       because nobody's cans are in those intervals
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Find the height of a door on a scale drawing if the door is 2 meters tall and the scale is 1 centimeter = 4 meters. Round to the
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The door is 0.5 centimeters high
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3 years ago
Please help me with all of them or at least 2 of them? Thank you so much.
LUCKY_DIMON [66]
First one is 3/8>1/3
Second one is B
Third one is C
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6 0
2 years ago
If a wind turbine makes 76 full revolutions every 1 minute what is it’s angular speed?
Maslowich

Answer: 7.958 \frac{rad}{s}

Step-by-step explanation:

We are told the wind turbine makes 76 revolutions in 1 minute. This means the angular speed \omega of the object in revolutions per minute (rpm) is:

\omega=76 rpm=76 \frac{rev}{min} (1)

However, we have to convert this to \frac{rad}{s}, since this is the unit used in the International Systme of Units for angular speed.

So, we can do this knowing that:

\omega=\frac{2 \pi}{T}  (2)

Where:

2 \pi=360\° is the value of one revolution

T=1 min=60 s is the period of rotation

With this information in mind, let's make the conversion:

\omega=76 \frac{rev}{min}. \frac{1 min}{60 s}. \frac{2 \pi}{1 rev} (3)

\omega=7.958 \frac{rad}{s} (4) This is the wind turbine angular speed

3 0
3 years ago
I need help right now please
Hoochie [10]
8/1 + (x-1)/(x+4)
You need the same common denominator (bottom number) to be able to add together so multiply 8 by (x+4) to both bottom and top

8 (x+4)/(x+4) + (x-1)/(x+4)
Add
8 (x+4)+(x-1)/ (x+4)
Distribute the 8 to (x+4)
8x+32+x-1 / x+4
Simplify

9x+31/x+4
:)
8 0
3 years ago
Philip has $2,000 and spends $23.75 on supplies. He divides the remaining amount equally among his 8 employees. How much does ea
ziro4ka [17]
(2000 - 23.75) / 8 = 
1976.25 / 8 =
247.03 per employee <==
8 0
3 years ago
Read 2 more answers
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