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alekssr [168]
3 years ago
6

name the property of real numbers illustrated by the following equation 4.5 + 9.8 + 1.5 + 3.2= (4.5 + 1.5) + ( 9.8 + 3.2) I need

some help please
Mathematics
2 answers:
katrin [286]3 years ago
6 0
The answer is the Associative Property of addition.
Associative property of real numbers is related to how we use the parenthesis in the expression while adding or multiplying, we always get the same answer.
like a + b + c = (a + b) + c = a + (b + c)
The given equation is 4.5 + 9.8 +1.5 + 3.2 = (4.5 + 9.8) + (1.5 + 3.2) = (4.5 + 1.5) + (9.8 + 3.2)
Greeley [361]3 years ago
3 0

Answer:

1. D

2. D

3. A

4. A

5. B

6. A

7. C

8. A

9. A

10. B

11. C

12. A

13. A

14. A

15. C

16. A

17. C

For the Unit Review on Unit 2 Lesson 7


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Answer:

Step-by-step explanation:

Rose bushes = 8 dollars

daisy pots = 9 dollars

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3 years ago
The table below shows the distribution of students who speak some Ghanaian languages.
melisa1 [442]

Answer:27.78% ; Twi; 1/3

Step-by-step explanation:

Given the data :

Language - - - - - - - Number of students

Nzema - - - - - - - - - - - 5

Ga - - - - - - - - - - - - - - - 20

Twi - - - - - - - - - - - - - - - 30

Ewe - - - - - - - - - - - - - - - 25

Fante - - - - - - - - - - - - - - 10

1.) To prepare pie chart:

Total number of students :

(5 + 20 + 30 + 25 + 10) = 90 students

Nzema: (5/90) × 360 = 20

Ga : (20/90) × 360 = 79.99 = 80

Twi : (30/90) × 360 = 119.99 = 120

Ewe : (25/90) × 360 = 79.99 = 100

Fante : (10/90) × 360 = 39.99 = 40

Total = 360

Pie chart is attached in the picture below

2)Percentage students that speak Ewe = (25/90) * 100 = 27.78%

Or (100/360) * 100 = 27.78%

3.) Modal language : This is the language spoken by majority of the students = Twi

4.) Fraction of student that speak either GA or Fante :

(GA or Fante) = (20 + 10) / 90 = 30/90 = 1/3

3 0
3 years ago
PLEASE help me with this question!! I really need help!
alexdok [17]

Answer:

324π in²

Step-by-step explanation:

The surface area of a sphere = 4πr² ( r is the radius )

Calculate r using the volume (V) formula

V = \frac{4}{3}πr³

Here V = 972π , thus

\frac{4}{3}πr³ = 972π ( divide both sides by π )

\frac{4}{3}r³ = 972 ( multiply both sides by 3 to clear the fraction )

4r³ = 2916 ( divide both sides by 4 )

r³ = 729 ( take the cube root of both sides )

r = \sqrt[3]{729} = 9

Thus

surface area = 4π × 9² = 4π × 81 = 324π in²

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3 years ago
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