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lara31 [8.8K]
3 years ago
15

NEED HELP IN THREE QUESTIONS

Mathematics
1 answer:
creativ13 [48]3 years ago
5 0
I can't see the problem
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A book has a front and back and 400 pages .
a_sh-v [17]

The minimum thickness of the book would simply be the sum of the thickness of the two cover pages and all the pages in between. That is:

minimum thickness = 0.9 mm * 2 + 0.13 mm * 400

minimum thickness = 53.8 mm

Put a thanks

Thank you

8 0
3 years ago
What is the distance in feet if you runs 8.05 kilometers every day?
Sveta_85 [38]
You run 26410.76 ft every day
8 0
4 years ago
What is the degree for the polynomial below ? <br> 2x^(2)+3x + 1
velikii [3]

Answer:

The exponent is 2, so the degree is 2

5 0
3 years ago
If f(x)= x^2-2x and g(x)= 6x+4, for which value of x does (f+g)(x)=0
shepuryov [24]
f(x)=x^2-2x;\ g(x)=6x+4\\\\(f+g)(x)=(x^2-2x)+(6x+4)=x^2+4x+4

(f+g)(x)=0\iff x^2+4x+4=0\\\\x^2+2x+2x+4=0\\\\x(x+2)+2(x+2)=0\\\\(x+2)(x+2)=0\\\\(x+2)^2=0\iff x+2=0\ \ \ |-2\\\\\boxed{x=-2}

3 0
3 years ago
Help me plz i need the answer
son4ous [18]

Answer:

9pi/4 lies between 7 and 7 1/2

Step-by-step explanation:

We know that pi = 3.141592654

9*pi =28.27433388

Divide this by 4

9pi/4 =28.27433388/4 =7.068583471

On the number line given

9pi/4 lies between 7 and 7 1/2

5 0
3 years ago
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