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EleoNora [17]
3 years ago
7

What is the exact volume of the cone?

Mathematics
2 answers:
Harman [31]3 years ago
7 0

Answer:

Step-by-step explanation:

volume of cone = πr²h/3 = π×5²×16 = 400π ft³

Luden [163]3 years ago
3 0
The correct answer is letter D
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Solve this equation for a: 6a+3=45
fenix001 [56]

Answer: 7

Step-by-step explanation:

Step 1: Subtract 3 from both sides.

6a+3−3=45−3

6a=42

Step 2: Divide both sides by 6.

6a /6 = 42 /6

3 0
3 years ago
Calculate the surface area of a solid box in the shape of a cube with<br> side length 3cm.
RoseWind [281]

Answer:

54 cm^2

Step-by-step explanation:

side ( a ) = 3 cm

Formula : -

Surface area ( cube ) = 6a^2

Surface area ( cube )

= 6 x ( 3 )^2

= 6 x 9

= 54 cm^2

6 0
3 years ago
Read 2 more answers
Answers for both boxes please for 25 points!​
MrRa [10]

Answer:

Step-by-step explanation:

you just need to add both equations

you will get 3y=12+6=18

3y=18

y=6

now replace y=6

3x+12=6

3x=6-12

3x=-6

x=-2

(-2,6)

5 0
3 years ago
Read 2 more answers
True or False? The number 0.8 can be written as 8/10, so it is an irrational number
lesya692 [45]
The answer would be false because the number .8 can be 8/10 but it is rational and you can understand that. It would not be an irrational number.
3 0
4 years ago
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The manager of a baseball team has 15 players to choose from for his 9 person batting order
Masteriza [31]
Given the question:
The manager of a baseball team has 15 players to choose from for his 9-person batting order. How many different ways can he arrange the players in the lineup?
5,005    362,880    3,603,600    1,816,214,400

The number of was in which a smaller group is choosing from a bigger group is given by the bigger number combination the smaller number.
^nC_r= \frac{n!}{(n-r)!r!}
Here, we want to choose a 9-person batting order from a team of 15 players. This is given by:
^{15}C_9= \frac{15!}{(15-9)!9!}=\frac{15\times14\times13\times12\times11\times10\times9!}{6!\times9!}= \frac{3,603,600}{720} =5,005

6 0
3 years ago
Read 2 more answers
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