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bekas [8.4K]
3 years ago
12

On Marshal’s 5th-grade math test, he was asked to evaluate: 25,328.941 ÷ 104. The answer he wrote was 25.328941. Unfortunately f

or Marshal, his teacher marked this answer as incorrect. Explain the mistake Marshal made.
Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 1

Answer:

25,328.941 ÷ 104= 7.90415302

Step-by-step explanation:

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Help on this pleasee
Zina [86]

Answer: 40 degrees

Step-by-step explanation:

4 0
2 years ago
A cone has a volume of 108 pi and a base diameter of 12. What is the height of the cone?
serious [3.7K]

Answer:

h  = 9 units of length

Step-by-step explanation:

Volume of a circular right cone is:

V(c)  = (1/3)*Area of the circular base * h

Where h is the height of the cone, then

V(c)  =  (1/3) * π * r² * h

And  we have that  V(c) = 108*π

Then:

108 * π  =  (1/3) * π * r² * h                  (1)

We know diameter of the circular base is 12 units, according to that

r =  d/2     ⇒  r = 12/2     r = 6 units

Then:

108 * π  [ cubic units ]  =  (1/3) * π * (6)² * h  [square units] [ units of length]

When simplifying we have to take into account that in order to keep last equation h needs to have units of length  

Therefore:

108  =  (1/3) * 36 * h

h = ( 108* 3 )/ 36

h  = 9 units of length

7 0
3 years ago
Which angle is coterminal with a 645° angle?
velikii [3]

Answer:

C

Step-by-step explanation:

Coterminal angles are angles that have a common terminal side.

So, given an angle θ, its coterminal angles will always be ±360°. This can be repeated.

We have a 645° angle.

Therefore, all values of the equation:

645\pm 360n

Where <em>n</em> is an integer is coterminal with our original angle.

Letting <em>n</em> = 1 and using the negative case, we acquire:

\Rightarrow 645-360=285

Therefore, an angle measuring 285° is coterminal with a 645° angle.

None of the other options can be reached by adding/subtracting 360.

Therefore, our answer is C.

5 0
2 years ago
What fraction of the large square is shaded? Show your work
LiRa [457]

Answer:

1/3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the measure of the other acute angle ?
Xelga [282]
The measure is 61 degrees
3 0
3 years ago
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