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3 years ago

What is the volume explain how u got it ? Please

Mathematics

2 answers:

timama [110]3 years ago

8 0

Volume is the measure of the amount of space inside of a solid figure like a cube.

ira [324]3 years ago

3 0

Volume is link times with times height volume is links times with times height

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A bakery has 4 trays with 16 muffins on each tray. The bakery has 3 trays of cupcakes with 24cupcakes on each tray. If 15cupcake

grandymaker [24]

Well there weren't any muffins sold so 16x4=64, you have 64 muffins. Then you have 3x24 cupcakes so thats 72 muffins and if you sold 15 of them 72-15 that gives you 57. Leaving you with 64 muffins and 57 cupcakes.

8 0

4 years ago

A 7-foot ladder is leaned against a building in such a way that the bottom of the ladder is 4 feet from the base of the wall. Fi

kirza4 [7]

Θ=180cos−1(47)/π=55.1501 degrees

5 0

4 years ago

A 12 foot ladder leans against a wall, making an angle of 40° with the horizon. How far is the base of the ladder from the wall?

olga_2 [115]

the base of the ladder is 18ft away from the wall

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3 years ago

Can anybody help me figure out the area of simple composite figure?

zvonat [6]

Given:

The length of the rectangle = 16 ft

The width of the rectangle = 12 ft

The diameter of the semicircle = 12 ft

To find the area of the given figure.

Formula

$A=A_{1} +A_{2}$

where,

$A$ be the area of the given figure

$A_{1}$ be the area of the rectangle

$A_{2}$ be the area of the semicircle.

The area of the rectangle = $lb$ where, l be the length and b be the width
Area of the semicircle = $\frac{1}{2} \pi r^{2}$ , r be the radius of the semicircle.

Now,

The radius of the semicircle r = 6 ft

Putting, r=6, l=16 and b= 12 we get,

$A_{1} = (16)(12)$ sq ft

or, $A_{1} = 192$ sq ft

$A_{2} = \frac{1}{2} (3.14)(6^{2} )$ sq ft

or, $A_{2}=56.52$ sq ft

So,

$A = 56.52+192$ sq ft

$A$ = 248.52 sq ft

Rounding off to the nearest tenth, we get;

A=248.5 sq ft.

Hence,

The area of the composite figure is 248.5 sq ft.

7 0

3 years ago

How to solve the logarithmic equation.

Anna007 [38]

Using logarithmic laws: log(a) + log(b) = log(ab)

log₄ (x + 9) + log₄ (x + 21) = log₄ [(x + 9)(x + 21)] = 3

Since we want the equation in terms of x, the next intuitive step is take 4 to the power of both sides, because the left hand side will simplify easily.

$4^{log_4 (x + 9)(x + 21)} = 4^{3}$
$(x + 9)(x + 21) = 64$
$x^{2} + 9x + 21x + 189 = 64$

Solving the quadratic we get:
$x^{2} + 30x + 125 = 0$
$(x + 5)(x + 25) = 0$

$x = -5, -25$

BUT, for the logarithmic equation to be defined, x > -9, so x≠ -25
Thus, the only solution is x = -5.

7 0

3 years ago