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lions [1.4K]
2 years ago
5

Helppppppppppppppppppppppppppppppp

Mathematics
1 answer:
Alchen [17]2 years ago
5 0
I think it’s C not sure tho
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If f(x)=2x+5 , determine the value of f(3x) .
makvit [3.9K]

Answer:

Step-by-step ef(x)=-2x+5……i

and f(-3x)=?

let x=-3x so that

-2x+5=-3x

x=5

substitutinx x into… i

f(x)=-10+5=-5

f(5)=-5………ii

now f(–3x)=f(-15)

scrutinizing… ii ,we can propose that

f(-15)=15.

Thus f(-3x)=15xplanation:

7 0
2 years ago
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What is the sum of the first 47 terms of the sequence? -215, -201, -187, -173, ...​
Andru [333]

Answer:

5029

Step-by-step explanation:

There is a common difference between consecutive terms, that is

d = - 201 - (- 215) = - 187 - (- 201) = - 173 - (- 187) = 14

This indicates the sequence is arithmetic with sum to n term

=  [ 2a₁ + (n - 1)d ]

where a₁ is the first term and d the common difference

Here a₁ = - 215 and d = 14 , then

=  [ (2 × - 215) + (46 × 14) ]

    = 23.5 (- 430 + 644)

   = 23.5 × 214

   = 5029

6 0
2 years ago
What is the solution to this equation 8 - 2x + 6x = 24
san4es73 [151]

x = 4

First you combine like terms:

8 + 4x = 24

Then solve:

4x = 24 - 8

4x = 16

x = 16/4

x = 4

4 0
3 years ago
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A) Complete the table of values for y = 6 - 2x
GREYUIT [131]

Step-by-step explanation:

the answer as shown in the photo

3 0
2 years ago
What is 7 divided by 2/3
soldier1979 [14.2K]

Answer:

10.5

Step-by-step explanation:

3 0
2 years ago
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