30 is what percent of 64....

Answers

Answer 1

Answer: Take the 30 and divide it by 100 and you get the percent.
Ex. 30/100 = .3

Then multiply 64 by the percent.
64 x .3 = 19.20

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A rectangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is 216 yards, what are its dimensions? What is the width?

What is the length?

Answers

Assume it's width is x. The length, which is twice as long, is then 2x.
The perimeter consists of two sides that are the width, and the other two which are length, so you multiply both the width and length by two and add the products to get the perimeter. So if the perimeter is 216 yards:
2*x+2*2x=216, or 2x+4x=216
6x=216, so x=36. Twice that is 2*36=72.
The width is 36 and length is 72.

What is 2400% of 1176?

Answers

'is' in mathematics means equal
'of' in mathematics means multiplication

2400% can also be written as 2400/100

$x = (2400)/(100) * 1176\n\nx = 24 * 1176\n\n\boxed{\bf{x=28224}}$

2400% of 1176 is 28224

Convert percentage into decimal: 2400%/100 = 24
Multiply 24 by 1176: 24 × 1176 = 28224 <-- our answer.

What is the volume of a cube with 1/3 inch sides

Answers

cube is a shape with all sides equal

where length - 1/3 inches

width - 1/3 inches

height - 1/3 inches

the formula to find volume is as follows

volume = $(1)/(3) *(1)/(3) * (1)/(3)$

numerators should be multiplied by numerators and denominators by denominators

volume = $(1*1*1)/(3*3*3) = (1)/(27)$

volume of the cube is 1/27 in.³

The formula for cube volume is s^3=volume
1/3*1/3*1/3=1/27

PLEADE HELP! find the value of X. Round to the nearest tenth.

Answers

As suggested, we have to use the law of sines: it states that the ratio between a side and the sine of the opposite angle is constant in every triangle.

We know that one side length is 11, and the opposite angle is 27°

Another side length is 15, and the opposite angle is x.

So, the law of sines states that

$(11)/(\sin(27))=(15)/(\sin(x))$

Solving for $\sin(x)$ we have

$\sin(x) = (15\sin(27))/(11)$

Which implies

$x=\arcsin\left((15\sin(27))/(11)\right)$

Put this into a calculator to get

$\arcsin\left((15\sin(27))/(11)\right)\approx 0.7$

Answer:

x ≈ 28.2

Step-by-step explanation:

Using the sine rule then

$(sinx)/(15)$ = $(sin27)/(11)$ ( cross- multiply )

11sinx = 15sin27° ( divide both sides by 11 )

sin x = $(15sin27)/(11)$ ≈ 0.61907..

x = $sin^(-1)$ (0.61907 ) ≈ 28.2

Simplify 4a +3b - a -5b

Answers

4a + 3b - a - 5b

First, gather the like terms.
$(4a - a)+(3b-5b)$
Second, subtract 4a - a to get 3a.
$(3a)+(3b-5b)$
Third, subtract 3b - 5b to get 2b.
$3a - 2b$

Answer: 3a - 2b

What does it mean to say that the amount of money from the previous month is quadrupled

Answers

money of previous month multiplied by 4.