3 years ago

Math Question Please Help

Mathematics

1 answer:

Katena32 [7]3 years ago

5 0

You just add 16. The answer is 32.<span />

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PLEASE HELP IM SO CONFUSED <br> Which expression gives the volume of a sphere with radius 8?

kumpel [21]

The answer is B :))
im sure

3 0

3 years ago

Find the tangent plane to the given surface of f(x,y)=6- 6/5 x-y at the point (5, -1, 1). Make sure tat your final answer for th

HACTEHA [7]

Answer:

Required equation of tangent plane is $z=\frac{6}{5}(x-5y-11)$ .

Step-by-step explanation:

Given surface function is,

$f(x,y)=6-\frac{6}{5}(x-y)$

To find tangent plane at the point (5,-1,1).

We know equation of tangent plane at the point $(x_0,y_0,z_0)[/tex] is,

$z=f(x_0,y_0)+f_x(x_0,y_0)(x-x_0)+f_y(x_0,y_0)(y-y_0)\hfill (1)$

So that,

$f(x_0,y_0)=6-\frac{6}{5}(5+1)=-\frac{6}{5}$

$f_x=-\frac{6}{5}y\implies f_x(5,-1,1)=\frac{6}{5}$

$f_y=-\frac{6}{5}x\implies f_y(5,-1,1)=-6$

Substitute all these values in (1) we get,

$z=\frac{6}{5}(x-5)-6(y+1)-\frac{6}{5}$

$\therefore z=\frac{6}{5}(x-5y-11)$

Which is the required euation of tangent plane.

4 0

3 years ago

20 for this question needing help

Radda [10]

Step-by-step explanation:

option C is the answer.

hope it helps

7 0

2 years ago

The volume of a cube can be found using the equation V = s³, where V is the volume and s is the measure of one side of the cube.

Harrizon [31]

$V=s^3\\\\s^3=729\ in^3\\\\s=\sqrt[3]{729\ in^3}\\\\ s=\sqrt[3]{729} \ in$
Answer

$s=\sqrt[3]{9^3}\ in\\\\s=9\ in$

6 0

3 years ago

Read 2 more answers

The cube below is divided into 8 equal cubes and broken apart. What is the total surface area of all 8 cubes?

krok68 [10]

FORMULA:

TSA of cubes = 6(a)²

ANSWER:

We just have to plug the respective value.

So, TSA of 8 cubes = 6 × (12)²

6 × 144
864ft².

So, <u>Correct choice</u> - [C] 864 ft².

6 0

3 years ago