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igor_vitrenko [27]
3 years ago
11

Compare and contrast qualitative and quantitative observations and give an example of each

Mathematics
1 answer:
Elanso [62]3 years ago
8 0
Think of quantitative observations as the quantity.

Quantitative observations involve measurements, numbers, or things you can count.
Example: The book is 12 inches long.

Qualitative observations are details about something NOT including numbers. Such as describing what it looks like with your senses.
Example: This book is blue.
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4. Kristina is allowed to have a friend sleep over every 3rd weekend,
PSYCHO15rus [73]

Answer:

6

Step-by-step explanation:

You must find the least common multiple of their schedules.

The numbers 3 and 2 are their own prime factors, so the least common multiple of 3 and 2 is 6.

Six weekends must pass until they can both have someone over on the same night.

The number line below shows that the first time their sleepovers coincide is Week 6.

3 0
3 years ago
9 - 12n 2 + 4n 3 - 7n
Naddika [18.5K]
1) is the correct answer because you just have to arrange them by degree
3 0
3 years ago
The ratio of dark chocolate candies to white chocolate candies is 3 to 2. There are 18 pieces of dark chocolate. How many pieces
ch4aika [34]

there are 18 pieces of dark chocolate and the ratio of dark and white is 3:2 so we can divide 18 by 3.

18/3 = 6.

This means the ratio of dark chocolate to white as a 1:1 ratio would be 6:6 so we can multiply 6 by 2 to give us the total amount of pieces of white chocolate.

6*2 = 12.

Therefore there are 12 white chocolate pieces.

4 0
3 years ago
the sum of three times one number, x, and five times a second number,y, is 77. if the sum of the two numbers is 19, find the two
HACTEHA [7]

Answer:

x=9, y=10. (9, 10). The two numbers are 9 and 10.

Step-by-step explanation:

3x+5y=77

x+y=19

------------------

3x+5y=77

-3(x+y)=-3(19)

---------------------

3x+5y=77

-3x-3y=-57

-------------------

2y=20

y=20/2

y=10

x+10=19

x=19-10

x=9

5 0
3 years ago
use the value of the ratio to determine which ratio is equivalent to 7:15. Check all that apply! Question 4 options: 21:45 14:45
PIT_PIT [208]

7:15=(7*3):(15*3)=21:45

7:15=(7*9):(15*9)=63:135

21:45 and 63:135

8 0
3 years ago
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