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Anettt [7]
2 years ago
9

6. Five more than eight times a number is greater than four less than

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
4 0

8x+5 > 7x -4

X+5> -4

X> -9

Aleks [24]2 years ago
3 0

Answer:

8x + 5 > 7x - 4

x > -9

Step-by-step explanation:

Five more than eight times a number

8x + 5

is greater than

>

four less than seven times the number

7x - 4

All together:

8x + 5 > 7x - 4

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

Solve:

Subtract 7x from both sides

x + 5 > -4

Subtract 5 from both sides

x > -9

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Answer:

1.31 miles of the race course are uphill

Step-by-step explanation:

Divide 5 × 26.2 miles by 100 and you'll get 1.31 miles.

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Step-by-step explanation:

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3 years ago
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What is the greatest common factor of 63b^2c^4 and 42b^3c^2
Arte-miy333 [17]

Factor out the GCF of  

21

b

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c

2

from  

63

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4

+

42

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Tap for fewer steps...

Factor out the GCF of  

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from each term in the polynomial.

Tap for fewer steps...

Factor out the GCF of  

21

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2

c

2

from the expression  

63

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2

c

4

.

21

b

2

c

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(

3

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2

)

+

42

b

3

c

2

Factor out the GCF of  

21

b

2

c

2

from the expression  

42

b

3

c

2

.

21

b

2

c

2

(

3

c

2

)

+

21

b

2

c

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(

2

b

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Since all the terms share a common factor of  

21

b

2

c

2

, it can be factored out of each term.

21

b

2

c

2

(

3

c

2

+

2

b

)

The greatest common factor  

GCF

is the term in front of the factored expression.

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b

2

c

2

6 0
3 years ago
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The volume of water remaining in a hot tub when it is being drained satisfies the differential equation dV/dt = −3(V)^1/2 , wher
dimaraw [331]
The given function is a variable separable differential equation. Combine like terms, integrate, apply the appropriate limits, and express V in terms of t. This is done as follows:

dV/dt = -3(V)^1/2
dV/-3V^1/2 = dt
\int\limits^V_m { \frac{1}{03 \sqrt{V} } } \, dV = \int\limits^t_0 {} \, dt

m here is the initial V which is 225. Then after integrating,

-2/3 (√V - √225) = t
-2/3 (√V - 15) = t

V= \sqrt{ \frac{-3}{2}t+15 }

That is the expression for V at time t. I hope I was able to help. Have a good day.
5 0
3 years ago
Help me please I don’t understand
LuckyWell [14K]

Answer:

14/11

Step-by-step explanation:

A rational number times a rational number is rational

A rational number is written as a/b

14/11 * 1/2 = 7/11

This is rational

8 0
3 years ago
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