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Mila [183]
3 years ago
14

How do you solve x-8= -(12/x)

Mathematics
1 answer:
blagie [28]3 years ago
3 0
x\not=0\\
x-8= -\frac{12}{x}|\cdot x\\
x^2-8x=-12\\
x^2-8x+12=0\\
x^2-6x-2x+12=0\\
x(x-6)-2(x-6)=0\\
(x-2)(x-6)=0\\
x=2 \vee x=6

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Which inequality describes the range of f(x)
Naddika [18.5K]

Answer:

y ≥ -3

Step-by-step explanation:

When we talk of the range of a function, we are referring to the y-values which are possible for the function to take

From the diagram, we can see that the y-values starts from -3 which shows it is inclusive and extends from it

So, the possible range values of the function are values of y starting from -3 and above it

In inequality sign, we can have this as

y ≥ -3

8 0
3 years ago
Given the recursive formula shown, what are the first 4 terms of the sequence? image Question 19 options: A) 5, 20, 80, 320 B) 5
kvv77 [185]

Answer:

B) 5, 20, 80, 320

Step-by-step explanation:

Complete question

Given the recursive formula shown, what are the first 4 terms of the sequence?

f(1) = 5 if n=1

f(n) = 4f(n-1) if n> 1

A) 5. 25, 100, 400

B) 5, 20, 80, 320

C) 5, 25, 125, 625

D) 5. 14, 60, 236

Get f(2)

f(2) = 4f(2-1)

f(2) = 4f(1)

f(2) = 4(5)

f(2) = 20

Get f(3)

f(3) = 4f(3-1)

f(3) = 4f(2)

f(3) = 4(20)

f(3) = 80

Get f(4)

f(4) = 4f(4-1)

f(4) = 4f(3)

f(4) = 4(80)

f(4) = 320

Hence the first 4 terms of the sequence are 5, 20, 80 and 320

3 0
3 years ago
Jack works eight hours each day. He is paid £6.50 per hour. He shares his wages with Kim in the ratio Jack : Kim = 4 : 1 Jack sa
pav-90 [236]

Answer:

25 days

Step-by-step explanation:

6.50 x 8 = 52

52 ÷ 5 = 10.4

10.4 × 4 = 41.6

1040 ÷ 41.6 = 25

7 0
3 years ago
4x-2y=6 (y=mx+b)<br><br> _________
USPshnik [31]

Answer:

Step-by-step explanation:

4x - 2y = 6

      -2y =  -4x + 6

          y = -4x/-2 + 6/-2

           y =  2x - 3

5 0
4 years ago
Eleana and her grandfather both had birthdays last week.
Sloan [31]

Answer:

Eleana is 20 years old

Her grandfather is 80 years old

Step-by-step explanation:

Eleana = E

Grandfather = 4E

4E + E = 100

Add

5E = 100

Divide

E = 20

Eleana is 20 years old

Her grandfather is 80 years old

Hope this was useful to you!

8 0
3 years ago
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