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JulijaS [17]
2 years ago
15

What is f(5) if f(x) = -2x+1 ?

Mathematics
2 answers:
Anuta_ua [19.1K]2 years ago
7 0

Answer:

-9

Step-by-step explanation:

-2(5)+1

=-10+1

=-9

Substitute the 5 in for x

Ostrovityanka [42]2 years ago
6 0

Answer:

-9

Step-by-step explanation:

f(5)= -2x+1

f(5)= -2(5) +1

f(5)= -10 +1

f(5)= -9

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Determine if the given sequence is an arithmetic sequence. If it is, identify the common difference.
lianna [129]

Answer:

Is this an arithmetic sequence?

Yes.

Is there a common difference and if so, what is it?

Yes, there is a common difference : 1

The common difference is 1

6 0
9 months ago
The square root of 3 is an irrational number True False​
anyanavicka [17]

Answer:

True

It is also known as Theodorus' constant named after Theodorus of Cyrene, who proved its irrationality!

3 0
3 years ago
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He simultaneous equations<br>5x + y = 21<br>x - 3y = 9 <br><br>With working out​
Elza [17]

Answer:

see explanation

Step-by-step explanation:

Given the 2 equations

5x + y = 21 → (1)

x - 3y = 9 → (2)

Multiply (1) by 3 and add the result to (2) to eliminate y term

15x + 3y = 63 → (3)

Add (2) and (3) term by term

(x + 15x) + )- 3y + 3y) = (9 + 63)

16x = 72 ( divide both sides by 16 )

x = 4.5

Substitute x = 4.5 into (1) for corresponding value of y

22.5 + y = 21 ( subtract 22.5 from both sides )

y = - 1.5

Solution is (4.5, - 1.5 )

8 0
3 years ago
W−6 =−4w−11 <br> what is w?
ziro4ka [17]

Answer:

w=-1

Step-by-step explanation:

w-6=-4w-11

5w=-5

w=-1

7 0
3 years ago
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Please do this for me
Alex

Answer:

DE

Step-by-step explanation:

6 0
2 years ago
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