MATHEMATICS MIDDLE SCHOOL

Which of the following is a statistical question? A. How many students know how much they weigh? B. What is Kaycee's weight? C. How many students are in Kaycee's reading class? D. What are the weights of the students in Kaycee's reading class?

Answers

Answer 1
Answer: Answer: D

A is just a survey (yes or no answers), B is more of a factual question (not concerning a set or population), and C is the same as B

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HIGH SCHOOL

Fibonacci posed the following problem: Suppose that rabbits live forever and that every month each pair produces a new pair which becomes productive at age 2 months. If we start with one newborn pair, how many pairs of rabbits will we have in the nth month?

Answers

Answer:

There will be as many pairs as the value of the nth term of the Fibonacci sequence

Step-by-step explanation:

During a month, only those pairs of rabbits that were given birth the previous month dont produce their pair. For the month n you take the amount of pairs of the n-1 month (lets call it an-1) and we have to add the new pairs created, that were created for rabits given birth on the month n-2 or before (in other words, the active ones). This means that an-2 pairs were created, so the total number of pairs, an, is given by the formula

(n has to be greater than 2)

or, equivalently

This is Fibonacci's formula for values greater than 2, also note that

a1 = 1

a2 = 1 ( because the pair was inactive this month)

a3 = 2 (because now the pair is activa)

As a result, we have

a1 = 1

a2 = 1

an+2 = an+1 - an (with n at least 1)

Thus, there were as many pairs in the nth month as the value of the nth term in the Fibonacci sequence.

MIDDLE SCHOOL

What is the the greastest commen factor of 28,42 56

Answers

Step-by-step explanation:

HIGH SCHOOL

in a class of 40 students, all play at least one sport. if 21 students play basketball, 18 play soccer, 15 play volleyball, and 6 students play exactly two sports, then how many play all three sports?

Answers

20 students play all three sports
MIDDLE SCHOOL

Identify the terms coefficients and constants 7h plus 3

Answers

Answer:

there is no awnser to this even my teacher cant do that

Step-by-step explanation:

their is no like terms sorry

HIGH SCHOOL

Rstu is a kite mr=160 and ms=90 find m

Answers

180-160= 20 therefore the answer should be 20 degrees.
The answer is 20 because you subtract 180 and 160 to get 20
MIDDLE SCHOOL

Solve 4(y - b)=x for y​

Answers

Answer:

y=b+x/4

Step-by-step explanation:

4(y-b)=x

y-b=x/4

y=b+x/4

This is a literal equation. It is all about manipulating the variables so that y is isolated in term of all the other variables in this case.

4(y - b)=x

First divide the equation by 4.

y-b=x/4

Then add b.

y=x/4+b That is the answer!

MIDDLE SCHOOL

What is 1+2+3+4+5+6+7+8+9+10

Answers

Answer:

55

Step-by-step explanation:

Add from left to right

1+2+3+4+5+6+7+8+9+10

3 +3+4+5+6+7+8+9+10

6+4+5+6+7+8+9+10

10+5+6+7+8+9+10

15+6+7+8+9+10

21+7+8+9+10

28+8+9+10

36+9+10

45+10

55

MIDDLE SCHOOL

Use the zero-product property to solve the following equation. -8(5n-2)=0

Answers

Divide each side by -8:




Find n:

Answer:

The roots are {0, 2/5}.

Step-by-step explanation:

-8n(5n-2)=0 can be rewritten as (-8n)(5n-2) = 0.

This, in turn, can be rewritten as -8n = 0 (which yields the root n = 0) and 5n - 2 = 0 (which yields n = 2/5.

The roots are {0, 2/5}.

HIGH SCHOOL

What is the exact area of a circle having the diameter of 6in A:9 pie B: 36pie C: 6 pi D: 3pie

Answers

Area of circle = pi r^2
r = 6/2 = 3
so
A = pi (3)^2 = 9pi

answer
A. 9 pi
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