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3 years ago

I don't know how to solve 5/9 ÷ -3/8 I think it's -40/27 but I didn't solve it though

Mathematics

1 answer:

REY [17]3 years ago

6 0

Your answer is correct. It is -40/27

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Find the inverse function of g(x) = 2x + 4.g -1(x) = 4x + 2 g -1(x) = 2 x + g -1(x) = x - 2g -1(x) = 2x - 4

Pani-rosa [81]

Exchange x and y and solve for y

y=2x+4
x=2y+4
2y=x-4
y = x/2 - 2
g(x)=x/2 - 2

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3 years ago

Given f(x) and g(x) = f(x) + k, look at the graph below and determine the value of k. k = _______ Graph of f of x and g of x. f

Vladimir79 [104]

G(x) is the result of moving f(x) vertically up from -3 to 1

so k = 1 -(-3) = 4

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3 years ago

Read 2 more answers

PLEASE HELP ME NOW!!

puteri [66]

Answer:

$x=4+-2\sqrt{7}$

Step-by-step explanation:

To solve, we need to take square root of both sides first:

$(x-4)^2=28\\\sqrt{(x-4)^2} =+-\sqrt{28} \\x-4=+-\sqrt{28}$

Now we use the property of radical shown below to simplify square root of 28:

Property: $\sqrt{x*y}=\sqrt{x} \sqrt{y}$

Now, we have:

$x-4=+-\sqrt{28}\\x-4=+-\sqrt{4*7}\\x-4=+-\sqrt{4}\sqrt{7}\\x-4=+-2\sqrt{7}$

Now we take 4 to the other side and isolate x:

$x-4=+-2\sqrt{7} \\x=4+-2\sqrt{7}$

first answer choice is right.

4 0

3 years ago

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Which expression best represents Maria's age if she is 1 3 of her father's age?

Anna71 [15]

Please paste the answer choices next time....
The expression should include a variable for marias age compared to a variable for her fathers

Something like
M=1/3F

M being maria's age and F being her fathers age

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3 years ago

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2(x-3)=5(x-3)+10<br><br><br> Need urgent help

ArbitrLikvidat [17]

Step-by-step explanation:

2(x-3)=5(x-3)+10

=> 2x - 6 = 5x - 15 + 10

=> -6 + 15 -10 = 5x - 2x

=> 5x -2x = 15 - 6 - 10

=> 3x = 15 - 16

=> 3x = -1

$= > x = \frac{ - 1}{3} (ans)$

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3 years ago