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steposvetlana [31]
3 years ago
12

3(2+5x) is the same thing as what

Mathematics
1 answer:
marin [14]3 years ago
7 0
Answer:
6+15x
Step by step explanation:
Expansion
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Find the number the comes next 1.2.6,21.88,?​
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Answer

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Oksi-84 [34.3K]
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Consider function f.
tekilochka [14]

Given:

The function is:

f(x)=\sqrt{7x-21}

To find:

The steps of finding the inverse function f^{-1}(x).

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We have,

f(x)=\sqrt{7x-21}

The steps of finding the inverse function are:

Step 1: Substitute f(x)=y.

y=\sqrt{7x-21}

Step 2: Interchange x and y.

x=\sqrt{7y-21}

Step 3: Taking square on both sides, we get

x^2=7y-21

Step 4: Adding 21 on both sides, we get

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Step 5: Divide both sides by 7.

\dfrac{1}{7}x^2+3=y

Step 6: Substitute y=f^{-1}(x).

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8.55x10^5 in scientific notation

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