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4 years ago

Which operations do I use?

Mathematics

1 answer:

statuscvo [17]3 years ago

7 0

Answer:

6 ÷ (2 ÷ 3)

Step-by-step explanation:

Use division in both.

6 ÷ (2 ÷ 3)

6 × (3 ÷ 2)

18 ÷ 2

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Irina18 [472]

37 + 3 = 40 basic math

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3 years ago

Read 2 more answers

Which function is the inverse of f(x)=-x³-9?

solniwko [45]

Answer:

Inverse of f(x)=-x^3-9 is $f^{-1}(x)=\sqrt[3]{-x-9}$

Option B is correct option.

Step-by-step explanation:

We need to find inverse of $f(x)=-x^3-9$

For finding the inverse replace f(x) with y

$y=-x^3-9$

Now, solve for x

Adding 9 on both sides

$y+9=-x^3-9+9\\y+9=-x^3$

Multiply both sides by -1

$-(y+9)=x^3\\x^3=-y-9$

Taking cube root on both sides:

$x^3=-y-9\\\sqrt[3]{x^3} =\sqrt[3]{-y-9} \\x=\sqrt[3]{-y-9}$

Now replace x with f^{-1}(x) and y with x

$f^{-1}(x)=\sqrt[3]{-x-9}$

So, inverse of f(x)=-x^3-9 is $f^{-1}(x)=\sqrt[3]{-x-9}$

Option B is correct option.

7 0

3 years ago

Will give crown help

Sergio039 [100]

Answer:

Step-by-step explanation:

to find the slope, you have to do rise/run.

you rise up from the first dot 4 times,

then you run once.

4/1

so the answer is 4

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3 years ago

What is the value of X?

r-ruslan [8.4K]

Divide 129.2 and 57mm

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4 years ago

Sofia and her friends decided to have a water fight on a hot summer day. They filled

gayaneshka [121]

Answer:

3:25pm

Step-by-step explanation:

2:00PM + (40min + 45min) = 85min

hour= 60min

85 - 60 = 25 , its means the amount of the time is 1hour and 25min

1hr25min + 2hr = they finished at 3:25pm

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3 years ago