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3 years ago

14

A piece of wood is to be cut so that it is square and has an area of 45 square inches. how long should the sides be, rounded to

the nearest tenth of an inch?

1 answer:

Y_Kistochka [10]3 years ago

3 0

6.70 inches is the rounded answer

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The volume of a cylinder is 4 pi x3 cubic units and its height is x units.

Rzqust [24]

Answer:

$2x$

Step-by-step explanation:

The volume of a cylinder, $V$ is given by the formula,

$V=\pi r^{2}h$

Where, $r$ is the radius and $h$ is the height of the cylinder.

Here, $V=4\pi x^{3}$ , $h=x$ . Plug in these values and solve for radius, $r$ .

This gives,

$V=\pi r^{2}h\\4\pi x^{3}=\pi r^{2}x\\r^{2}=\frac{4\pi x^{3}}{\pi x}\\r^{2}=4x^{2}\\$

Taking square root both sides, we get

$\sqrt{r^{2}}=\sqrt{4x^{2}}\\r=2x$

Therefore, the radius of the cylinder can be expressed as $2x$ .

6 0

3 years ago

Y = 3x<br> x + y = 52<br><br> substitution method <br> help quick <br> show all work

AfilCa [17]

Answer:

$x + 3x = 52 \\ 4x = 52 \\ x = 13 \\ y = 3x = 3 \times 13 = 39$

8 0

2 years ago

a total of 582 tickets were sold for the school play. they were with adult tickets or student tickets. there were 68 fewer stude

topjm [15]

Answer:

$257$ adult tickets

Step-by-step explanation:

Let x be the total sold adult ticket.

Given:

Total 582 tickets were sold.

There were 68 fewer student tickets sold than adult tickets

Then there were $x-68$ students.

So, The total sold ticket equation is

$x+(x-68)=582$

$2x-68=582$

$2x=582-68$

$x=\frac{514}{2}$

$x=257$

Therefore, 257 adult tickets were sold

8 0

3 years ago

5+2x+6=x +10 <br> Solve this equation and show ur work

Rama09 [41]

Answer:

x = -1

Step-by-step explanation:

5 + 2x + 6 = x + 10

11 + 2x = x + 10

-x -x

11 + x = 10

-11 -11

x= -1

3 0

3 years ago

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Using the number line above, write the integer that each point represents

zloy xaker [14]

Answer:

E= -6

D= 4

B =- 4

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers