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Gennadij [26K]
3 years ago
6

Inverse of the function f(x) =1/9 x+2

Mathematics
1 answer:
natulia [17]3 years ago
7 0
The inverse of this function is g(x)=9x+2. if this doesn’t work, try g(x)=9x-2 :)
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Is 18 a polynomial? Explain your reasoning
Daniel [21]

Answer:

yes, 18 is a polynomial

Step-by-step explanation:

We have to show whether 18 is a polynomial or not

Polynomial is an expression involving variables and constants such that variables having non negative integer power.

Example 2x^4, 3y^3 etc,

Thus, yes 18 is a polynomial

as 18 can be written as 18x^0 where x^0=1 and 0 is non negative integer,

Thus, yes 18 is a polynomial as it can be written as 18x^0  having non negative integer power 0.

8 0
3 years ago
Read 2 more answers
The area of a pizza is 220 square centimeters .
Zanzabum
Area of pizza = pi × r^2
pi × r^2 = 220 Sq. cm
22/7 × r^2 =220
r^2 = 220 × 7/22
r^2 = 70
r = square root of 70
r = 8.36

therefore , radius of the pizza is 8.36 cm


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7 0
3 years ago
BRAINLIEST!!! PLZZ HELP
Furkat [3]

Answer:

i think c. because it will affect your rights as a citizen for those "taxes"  Not checks and balances because it won't affect that because you will still get your checks for work and stuff. Know what i mean?

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7 0
3 years ago
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AC =16 and DC=5 what is the length of BC in the simplest ra
Nana76 [90]

The length of BC is 4 \sqrt{5}.

Solution:

Given ABC is a right triangle.

AC is the hypotenuse and BD is the altitude.

AB and BC are legs of the triangle ABC.

AC = 16 and DC = 5

<u>Leg rule of geometric mean theorem:</u>

$\frac{\text { hypotenuse }}{\text { leg }}=\frac{\text { leg }}{\text { part }}$

$\Rightarrow \frac{AC}{BC}=\frac{BC}{DC}$

$\Rightarrow \frac{16}{x}=\frac{x}{5}$

Do cross multiplication.

\Rightarrow  16\times 5 = x\times x

\Rightarrow  80= x^2

\Rightarrow  16\times 5= x^2

Taking square root on both sides.

\Rightarrow  \sqrt{16\times 5} = \sqrt{x^2}

\Rightarrow  \sqrt{4^2\times 5} = \sqrt{x^2}

square and square roots get canceled, we get

\Rightarrow  4\sqrt{ 5} = x

The length of BC is 4 \sqrt{5}.

7 0
3 years ago
Which value for the number makes the statement true? the quotient of a number and five is 8. a-4, b-8, c-40, d-80
Inga [223]
The letter is c because you divide 40 by 5 = 8
6 0
3 years ago
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