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zzz [600]
3 years ago
14

Which expression is equivalent to 4/9(2n - 3)

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0

Answer:

8n/9 - 4/3

Step-by-step explanation:

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1. You divide by 100 to find the decimal version of any percentage, and do the opposite for vise versa

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Quadrant 1 (1,5)

Step-by-step explanation:

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An advertisement for a circular rug says that the rug has a diameter of 6 feet. Find the relative error of this measurement
Aleonysh [2.5K]

Answer:

1. 8.3%

Step-by-step explanation:

Relative error = absolute error/expected measurement

The expected measurement is given as 6 ft.

Now, the absolute error is usually equal to half of a unit of the measure.

This means the absolute error in this case is ½ × 1 = 0.5 ft

Thus, the exact measurement will be;

6 ± 0.5

Thus;

Relative error = 0.5/6

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Expressing it in percentage gives 8.3%

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3 years ago
Three more than two times in a expression
svetlana [45]
3+2x
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8 0
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3/4 over 3 1/4 simplified is?
Sergio039 [100]

Answer:

Convert  

3

1

4

to an improper fraction.

A mixed number is an addition of its whole and fractional parts.

3

+

1

4

−

1

3

4

Add  

3

and  

1

4

To write  

3

as a fraction with a common denominator, multiply by  

4

4

.

3

⋅

4

4

+

1

4

−

1

3

4

Combine  

3

and  

4

4

.

3

⋅

4

4

+

1

4

−

1

3

4

Combine the numerators over the common denominator.

3

⋅

4

+

1

4

−

1

3

4

Simplify the numerator.  

Multiply  

3

by  

4

.

12

+

1

4

−

1

3

4

Add  

12

and  

1

.

13

4

−

1

3

4

Convert  

1

3

4

to an improper fraction.

A mixed number is an addition of its whole and fractional parts.

13

4

−

(

1

+

3

4

)

Add  

1

and  

3

4

.

13

4

−

7

4

Combine the numerators over the common denominator.

13

−

7

4

Subtract  

7

from  

13

.

6

4

Cancel the common factor of  

6

and  

4

.

Factor  

2

out of  

6

.

2

(

3

)

4

Cancel the common factors.

Factor  

2

out of  

4

.

2

⋅

3

2

⋅

2

Cancel the common factor.

2

⋅

3

2

⋅

2

Rewrite the expression.

3

2

The result can be shown in multiple forms.

Exact Form:

3

2

Decimal Form:

1.5

Mixed Number Form:

1

1

2

Step-by-step explanation:

6 0
3 years ago
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