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3 years ago

Can someone please help me with this

Mathematics

1 answer:

pogonyaev3 years ago

6 0

The geometric mean you would use is C

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I will like to know how to solve this

nikitadnepr [17]

1 + 4x = -5 + 7x

-4x - 4x

1 = -5 + 3x

+5 +5

6 = 3x

$\frac{6}{3} = \frac{3x}{3}$

2 = x

Answer: x = 2

4 0

3 years ago

Read 2 more answers

Please help ( 20 points )

VashaNatasha [74]

Answer:

1+pi/2, 5/2, square root of 12-1, 2.25. Let me know if this is correct!

Step-by-step explanation:

7 0

3 years ago

Multiply c by 9, then add 2 to the result

Novosadov [1.4K]

Answer:

9c+2

Step-by-step explanation:

6 0

3 years ago

Given f(x)=x^2+5 and g(x)=2x^3-1 find (f/g)(-3)

AlekseyPX

For this case we have the following functions:

$f (x) = x ^ 2 + 5\\g (x) = 2x ^ 3-1$

By definition of composition of functions we have:

$(f / g) (x) = \frac {f (x)} {g (x)}$

Then substituting:

$f (-3) = (- 3) ^ 2 + 5 = 9 + 5 = 14\\g (-3) = 2 (-3) ^ 3-1 = 2 (-27) -1 = -54-1 = -55$

So:

$(f / g) (- 3) = \frac {14} {- 55} = - 0.25$

Answer:

$(f / g) (- 3) = \frac {14} {- 55} = - 0.25$

7 0

3 years ago

ivolga24 [154]

Question The price of a sofa is Sx. A man buys the sofa on hire purchase according to the following terms:

a downpayment of 25 % and the remaining to be paid in monthly instalments over 30 months at a

simple interest rate of 12 % per annum. Given that his monthly instalment is $52, find the value of x.

3 0

2 years ago