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Rudiy27
3 years ago
15

The function F(c)=9/5c+32 ​

Mathematics
2 answers:
seraphim [82]3 years ago
8 0

Answer:

The formula is C=5/9(F-32).

Leviafan [203]3 years ago
3 0

sorry i dont know i am so sorry

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Can some please help me, I have no idea what the answer is
Degger [83]

Answer:

f(0)= 3-2^0 --> 3-1 =2

f(-1)= 3 - 2^-1  --> 3 - 1/2 -->5/2 = 2,5

Step-by-step explanation:  F(0) means if x=0 so the first you just take x and replace it with 0 and the second you replace x by -1.

Something that is elevated by 0 is always going to be 1  

Hope this make sense :)

5 0
3 years ago
Help thanks. . .
Natasha2012 [34]
Area of triangle = 1/2 ABsinC

Since all sides are equal, it means it is an equilateral triangle
⇒All angles are 60°

Area of triangle = 1/2 ABsinC
Area of triangle = 1/2 (3.5)(3.5)sin(60°)
Area of triangle = 5.3 in²

3 0
3 years ago
Find a polynomial P(x) with real coefficients having a degree 4, leading coefficient 4, and zeros 3-i and 4i.
Alisiya [41]

now, this polynomial has roots of 3-i and 4i, namely 3 - i and 0 + 4i.

let's bear in mind that a complex root never comes all by her lonesome, her sibling is always with her, the conjugate, so if 3 - i is there, 3 + i is also coming along, likewise if 0 + 4i is there, her sibling 0 - 4i is also there.

\bf \begin{cases} x=3-i\implies &x-3+i=0\\ x=3+i\implies &x-3-i=0\\ x=4i\implies &x-4i=0\\ x=-4i\implies &x+4i=0 \end{cases}\\\\[-0.35em] ~\dotfill\\\\ (x-3+i)(x-3-i)(x-4i)(x+4i)=\stackrel{y}{0} \\[2em] \underset{\textit{difference of squares}}{[(x-3)+i][(x-3)-i]}\underset{\textit{difference of squares}}{[x-4i][x+4i]}=0

\bf [(x-3)^2-i^2][x^2-(4i)^2]=y\implies [(x-3)^2-(-1)][x^2-(4^2i^2)]=0 \\[2em] [(x-3)^2-(-1)][x^2-(16(-1))]=0\implies [(x-3)^2+1][x^2+16]=0 \\[2em] [(x^2-6x+9)+1][x^2+16]=y\implies (x^2-6x+10)(x^2+16)=0 \\\\\\ x^4-6x^3+10x^2+16x^2-96x+160=0 \\\\\\ x^4-6x^3+26x^2-96x+160=0 \\\\\\ \stackrel{\textit{multiplying both sides by 4}}{4(x^4-6x^3+26x^2-96x+160)=4(0)} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill 4x^4-24x^3+104x^2-384x+640=y~\hfill

3 0
4 years ago
Which of the following options have the same value as 70%, percent of 80?
Bumek [7]

Answer:

What are the following options?

Step-by-step explanation:

7 0
3 years ago
State all POSSIBLE rational zeros of the function f(x) = 3x^7 - 4x + 4.
chubhunter [2.5K]

Answer:

\pm 1, \pm 2,\pm 4, \pm\dfrac{1}{3},\pm\dfrac{2}{3}, \pm\dfrac{4}{3}

Step-by-step explanation:

The given function is

f(x)=3x^7-4x+4

We need to find all POSSIBLE rational zeros of the function f(x).

According to rational root theorem, all possible rational zeros of a polynomial are

x=\frac{p}{q}

where, p is factors of constant and q is factors of leading term.

In the given function constant is 4 and leading term is 3.

Factors of 4 are ±1, ±2, ±4.

Factors of 3 are ±1, ±3.

All POSSIBLE rational zeros of the function f(x).

\pm 1, \pm 2,\pm 4, \pm\dfrac{1}{3},\pm\dfrac{2}{3}, \pm\dfrac{4}{3}.

7 0
3 years ago
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