3 years ago

Could you please help me with all of the questions

Mathematics

1 answer:

belka [17]3 years ago

8 0

264/9= 29.3 < 458/5= 91.6

2805/4= 701.25 > 3952/6= 598.6

719/8= 89.875 > 176/8= 88

2501/4= 625.25 > 1486/3= 495.3

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Ok ignore the thing that says do it the way i sowed you in class

Mamont248 [21]

The way to do this question is : difference of the two sides < x < sum of the two sides. so for 1) 4 < x< 8
2) 8 < x< 16
3) 9 < x < 13
i’m pretty sure this is right! hope it helps!

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2 years ago

!!!!!!!!!!!!!!!!!!!!

Andru [333]

Answer:

$f^{-1}(x)=4x+20$

Step-by-step explanation:

Given

$f(x)=\frac{x}{4}-5\\ \\y=\frac{x}{4}-5$

Swap x and y and solve for y

$y=\frac{x}{4}-5\\ \\x=\frac{y}{4}-5\\ \\x+5=\frac{y}{4}\\ \\4(x+5)=y\\\\y=4x+20$

Final answer

$f^{-1}(x)=4x+20$

Keep in mind that we need to swap the variables because a function and its inverse are symmetrical about the line y=x. See the graph below.

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2 years ago

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In-s [12.5K]

You must be dumb and have no friends

Answer:I feel bad for you

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2 years ago

PLEASE HELP ASAP! I NEED TO PASS THIS TEST!

Nataly [62]

X^2+20x+10 that's the answer

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3 years ago

I don’t know how to do this help :(

katen-ka-za [31]

A of trapezium = ((a+b)/2)(h)
A = ((10+10+4)/2)(8)
A = (24/2)(8)
A = 12(8)
A = 94
The area is 94ft²

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3 years ago