2 years ago

Help click all the questions

Mathematics

2 answers:

Alik [6]2 years ago

8 0

Answer:1,grams 2,b 3, id k srry

Step-by-step explanation:

ra1l [238]2 years ago

3 0

8. A
9. B
10. B
(i think..)

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The circumference A of a circle varies directly with its radius. A circle with a radius of 4 has a circumference of about 25.1 i

horsena [70]

Answer:

25.1 in.2.

Step-by-step explanation:

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2 years ago

What is the coefficient of a3 after simplifying this expression? 2a3−10ab2+3a3−ab2−7

Sergio [31]

Answer:

Step-by-step explanation:

Given the expression

2a^3−10ab^2+3a^3−ab^2−7

We are to find the coefficient of a^3

First is to collect the like terms;

2a^3−10ab^2+3a^3−ab^2−7

= 2a^3+3a^3−10ab^2−ab^2−7

= 5a^3-11ab^2-7

From the resulting equation, you can see that the coefficient of the term having a^3 is 5

7 0

2 years ago

PLEASE HELP

Elodia [21]

Answer:

The area of the resulting cross section is $78.5\ m^{2}$

Step-by-step explanation:

we know that

The resulting cross section is a circle congruent with the circle of the base of cylinder

therefore

The area is equal to

$A=\pi r^{2}$

we have

$\pi=3.14$

$r=10/2=5\ m$ -----> the radius is half the diameter

substitute the values

$A=(3.14)(5)^{2}=78.5\ m^{2}$

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2 years ago

Am I right? What is the slope of a line that is perpendicular to a line whose slope is −6?

ipn [44]

Your right it’s correct

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2 years ago

Use the point-slope form, y - y1 = m(x - x1), to find the linear equation of a line that passes through the points

Andreyy89

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2 years ago

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