IXL!!PLEASEANSWER BRAINLIEST WILL BE

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

8 0

Answer:

3/10 , -1.4 , -1(28/40)

Step-by-step explanation:

1. As 3/10 is the only positive number, it'll surely become the greatest number.

Next we have, -1.4 and -1(28/40) left

As -1(28/40) is a fraction, we have to change it to decimal numbers like -1.4.

2. /=÷, so -1=40 28+40=68. Use calculator, -(68÷40)=-1.7 As is -1.7 smaller than -1.4, the answer is as shown.

Triss [41]3 years ago

6 0

I have attached an image of the process I used

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What are the correct answers and why? Simple and concise explanation please!!!

dezoksy [38]

Answer:

$\large\boxed{-\bigg[(x-3)^2+2x\bigg]+1}\\\\\boxed{-x^2+4x-8}$

Step-by-step explanation:

$(g\ \circ\ f)(x)=g\bigg(f(x)\bigg)$

$f(x)=(x-3)^2+2x\\\\g(x)=-x+1\\\\g\ \circ\ f\to\text{put f(x) instead of x in the function g(x)}:\\\\(g\ \circ\ f)(x)=-\bigg[\underbrace{(x-3)^2+2x}_{x}\bigg]+1$

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$-\bigg[(x-3)^2+2x\bigg]+1=-(x-3)^2-2x+1\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=-(x^2-(2)(x)(3)+3^2)-2x+1=-(x^2-6x+9)-2x+1\\\\=-x^2-(-6x)-9-2x+1=-x^2+6x-9-2x+1\\\\\text{combine like terms}\\\\=-x^2+(6x-2x)+(-9+1)=-x^2+4x-8$