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Ainat [17]
3 years ago
6

Need help WILl give brainlist if correct! Please

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
7 0
The answer is B cuz I know so.
xenn [34]3 years ago
3 0

Answer: is it B?

Step-by-step explanation:

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If four students are selected at random, find the probability that all four rate their study habits as very good
maxonik [38]
Would depend on how many other students are in the class/school.
8 0
3 years ago
I need to answer number one I will give as many points as I can for the question and I will mark brainiest
Grace [21]

Answer:

  • diagram is below
  • 6, 11, 16, 21
  • s[n] = s[n-1] +5
  • 26, 31, 36

Step-by-step explanation:

a) See below for the next diagram in sequence.

__

b) The numbers of straws in each diagram are ...

  6, 11, 16, 21, ...

__

c) Each term is 5 more than the previous one, so the recursive rule for the number of straws is ...

  s[1] = 6

  s[n] = s[n-1] +5

__

d) The next three terms of the sequence are ...

  ..., 26, 31, 36, ...

6 0
3 years ago
In 1989, Dutch ice skater Dries van Wijhe skated 200 km at an average speed of 35.27 km/h. How long was he skating?
avanturin [10]
T = d/s

t = 200/35.27

Hope that helps!!!
3 0
3 years ago
The volume of the cylinder above is 2,314.25, and the radius of the base is 8.9 Find the volume of the cone.
olga55 [171]

Answer: 771.41\ units^3

Step-by-step explanation:

The missing figure is attached.

The volume of an oblique cylinders and the volume of  a right cylinder can be found with this formula:

V_{cy}=\pi r^2h

Where "r" is the radius and "h" is the height.

The volume of an oblique cone and the volume of  a right cone can be found with this formula:

V_{co}=\frac{1}{3}\pi r^2h

Where "r" is the radius and "h" is the height.

According to the information given in the exercise, you know that the volume of the cylinder and also the radius of the cylinder and the cone ,are the following:

V_{cy}=2,314.25\ units^3\\\\r=8.9\ units

Therefore, in order to find the volume of the cone, you only need to multiply the volume of the cylinder by \frac{1}{3}.

Then, you get:

V_{co}=\frac{1}{3}(2,314.25\ units^3)\\\\V_{co}=771.41\ units^3

8 0
3 years ago
Read 2 more answers
20 is what percent of 160
stira [4]
In this problem WP means what percent

20 = WP  X 160

solve for WP, by dividing both sides by 160

and you get:

0.125 = WP

Change your decimal into a percent by multiplying by 100%

12.5% is your result.
7 0
3 years ago
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