MATHEMATICS HIGH SCHOOL

Which is an example of bivariate data?(1) age of students in a club
(2) grade level and age of students in a school
(3) type of lunch each student orders at school
(4) attendance numbers for all students in one grade

Answers

Answer 1
Answer: Number (2) :) :/:)))))))
Answer 2
Answer:
IM almost positive its 2

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The new number, 200, is 400 less than the original number. What is the approximate percent change

Answers

first, what was the original number?

it was 200+400=1000!

and when we want to know the change in percent, we divide the "new" number over the "original" number: and we'll know that percentage of the original the new number is!:

(200)/(1000) *100%= (2)/(10) *100%=(200)/(10) %=20%.

so the percent change was 80 %: the original number was reduced by (100-20)=80 %
The answer is 66%. Sorry if it is wrong.

during a bike challenge, riders have to collect various colored ribbons. each 1/2 mile they collect a red ribbon, each 1/8 mile they collect a green ribbon, and each 1/4 mile they collect a blue ribbon. which colors of ribbons will be collected at the 3/4 mile marker?

Answers

The correct answer is:
green and blue.

Explanation:
We want to see which fractions (3)/(4) is a multiple of. We know that (3)/(4) is a multiple of (1)/(4), because (1)/(4)*3=(3)/(4).

We can divide fractions to determine if (3)/(4) is a multiple of (1)/(2):
( (3)/(4))/( (1)/(2));

in order to divide fractions, flip the second one and multiply:
(3)/(4))*(2)/(1)=(6)/(4)=1 (1)/(2).
This did not divide evenly, so (3)/(4) is not a multiple of 1/2.

Checking to see if (3)/(4) is a multiple of (1)/(8), ( (3)/(4))/( (1)/(8));

flip the second one and multiply:
(3)/(4)*(8)/(1)=(24)/(4)=6.
This divided evenly, so (3)/(4) is a multiple of (1)/(8).

Answer: Hello there!

As we know, each 1/2 mile there is a red ribbon, each 1/8 mile there is a green ribbon, and each 1/4 mile there is a blue ribbon.

We want to know which color of ribbons is in the 3/4 mile marker.

then we need to see if 3/4 is a multiple of some of the previous numbers.

Start with the red ribbons, we need to see the quotient between 3/4 and 1/2, if the result is a whole number, then 3/4 is a multiple of 1/2

this is q = (3/4)/(1/2) = (3/4)*2 = 6/4

here we haven't a whole number, then there is no red ribbon at the 3/4 mile marker.

now with the green ones:

(3/4)/(1/8) = (3/4)*8 = 24/4 = 6

there we have a whole number, this means that at the 3/4 mile marker, we will see the sixth green ribbon, then we have a green ribbon in this marker.

now with the blue:

(3/4)/(1/4) = (3/4)*4 = 3

At the 3/4 mile marker, we will see the third blue ribbon, then there is a blue ribbon in this marker.

Then we know that in the 3/4 mile marker, there are a green and a blue ribbon.

Calculate the average speed of a gazelle that runs 140 meters in 5.0 seconds.

Answers

Answer:

Average speed(S) is given by:

S =(D)/(t)              ....[1]

where,

D is the total distance and t is the time.

As per the statement:

A gazelle that runs 140 meters in 5.0 seconds.

⇒D = 140 meters and t = 5 seconds

Substitute in [1] we have;

S =(140)/(5)

Simplify:

⇒S = 28 m/sec

Therefore, average speed of a gazelle is, 28 m/sec
You would multiply to find the average meters/minute.
140 x 5.0 = 700.
But, if you're looking for average m/s you would divide.
140/5 = 28.
If you want meters/hour, you have to multiply the average meters/minute by 60.
140 x 5 x 60 = 4,200.

I'm not sure which one you're looking for but I hope something I wrote helps!

there is a circular path around a sports field Soniye X 18 minutes drive one round of the field while Ravi takes 12 minutes for the same the first they both started the same point in same time I am going the same direction after how many minutes will they meet again at the starting point​

Answers

Yes it is 14 The answer to the question

Which is equivalent to 216 power of 1/3 ?
3
6
36
72

Answers

Answer:

6

Step-by-step explanation:

GIVEN :


(216)^{(1)/(3) }


Solution :

let


(216)^{(1)/(3) }=x


216 = x^(3)


6^(3) = x^(3)


⇒ x = 6


⇒(216)^{(1)/(3) }= 6

Answer:

Option (b) is correct.

(216)^{(1)/(3)}=6

Step-by-step explanation:

Given:  216 power of 1/3

We have to find an equivalent number to  216 power of 1/3

Consider  216 power of 1/3

Writing mathematically as, (216)^{(1)/(3) }

Also, 216 can be written as product of 6 three times that is 6× 6 × 6

Thus, (216)^{(1)/(3)}=(6* 6* 6)^{(1)/(3)}

Simplify, we get,

(6* 6* 6)^{(1)/(3)}=(6^3)^{(1)/(3)}

Apply property of exponents, we have,

(a^n)^m=a^(nm)

(6^3)^{(1)/(3)}=6^{(3)/(3)}=6

Thus, (216)^{(1)/(3)}=6

Option (b) is correct.

In the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In the second half, the player scored the same number of 3-point shots as the number of 2-point shots scored in the first half. Which expression represents the total number of points the player scored in the game?2x + 3x + 9
2x + 3 + 9
2x + 3x + 9x
2 + 3x + 9

Answers

Answer:

2x+3x+9

Step-by-step explanation:

In first half,

Let number of 2-point shots=x

Points scored on free throws=9

Point scored in x number of 2-point shots=2x

In second half,

Number of 3-point shots=number of 2-point shots in first half=x

Point scored in x number of 3-point shots=3x

Therefore, the player scored total number of points in the game is given by

2x+3x+9

Hence, the expression which represents the total number of points scored by player in the game is given by

2x+3x+9

Answer:A

Step-by-step explanation:

2x + 3x + 9
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