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ANTONII [103]
3 years ago
13

What is the missing circle sequence number 10,40,?,80,40,20

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
4 0

80 because it should be the same as the other one
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Li Ping says a square with 3 inch sides has greater area than a parallelogram that is not a square but has sides that have the s
Kipish [7]

Answer:

Li Ping's statement makes sense.

Step-by-step explanation:

The area of a square with side lengths a inches is given by, A_1 = a^{2}.

Now, the area of a parallelogram with equal sides a inches, which is not a square is given by, A_2 = ah, where, h is the perpendicular distance between the opposite sides.

See the diagram attached.

Since a is the hypotenuse of as right triangle with height h, hence, a > h.

So, A_1 > A_2

Therefore, Li Ping's statement makes sense. (Answer)

8 0
3 years ago
What is the answer to -3(9-x)+6x
marin [14]

Answer: 9−27

Step-by-step explanation:

4 0
3 years ago
Approximately 14 percent of the population of Arizona is 65 years or older. A random sample of five persons from this population
Andreas93 [3]

Answer:

A)0.8533

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are 65 or older, or they are not. The probability of a person being 65 or older is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

14 percent of the population of Arizona is 65 years or older.

This means that p = 0.14

A random sample of five persons from this population is taken.

This means that n = 5

The probability that less than 2 of the 5 are 65 years or older is :

P(X < 2) = P(X = 0) + P(X = 1)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{5,0}.(0.14)^{0}.(0.86)^{5} = 0.4704

P(X = 1) = C_{5,1}.(0.14)^{1}.(0.86)^{4} = 0.3829

P(X < 2) = P(X = 0) + P(X = 1) = 0.4704 + 0.3829 = 0.8533

So the correct answer is:

A)0.8533

3 0
3 years ago
A student takes 25 minutes to solve 10 math problems in class if the student solve similar problems at the same rate how many mi
Minchanka [31]

Answer:

The answer would be 30 minutes

Step-by-step explanation:

Find how many ties 12 can go into 10. (Divide 12 divided by 10=1.2)

Multiply 25 times 1.2 (30)

Your answer would be 30 minutes

Hope I helped!! :)

Sorry if it's wrong! :(

Pls mark brainliest!!!

4 0
2 years ago
Dwayne needs 1 2/3cups of shredded cheese to put in
Y_Kistochka [10]

Answer:

7/12 please give brainliest.

Step-by-step explanation:

5 0
2 years ago
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