A ratio of the number of items within a defined unit of area measures

Answers

Answer 1

Answer:

Answer:

Density

Step-by-step explanation:

Density is the number of items per unit area. It is gotten by dividing the number of items by the area it occupies. It measures the compactness of an item in a given area. The higher the density, the more compact items are per unit area and the lesser the density, the less compact items are per unit area. It is measured in items/m²

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Whats the square root of 108

Answers

So,

$√(108)$

Find all perfect powers.
$√(2^2*3^2*3)$

Simplify.
$2*3 √(3)$
$6 √(3)\ or\ approximately\ 10.392$

What is –3 2/3 · (–2 1/4 )?

Answers

$-3(2)/(3)\cdot\left(-2\frac{1}4{}\right)=\n--------------------\nnegative\ number\ multiply\ by\ negative\ number\ is\ a\ positive\ number\n--------------------\n-3(2)/(3)\cdot\left(-2\frac{1}4{}\right)=3(2)/(3)\cdot2(1)/(4)=\n------------------------------\n$

if you want to multiply mixed numbers you need to turn them into improper fractions

$3(2)/(3)\cdot2(1)/(4)=(3\cdot3+2)/(3)\cdot(2\cdot4+1)/(4)=(9+2)/(3)\cdot(8+1)/(4)=(11)/(3)\cdot(9)/(4)=(11)/(1)\cdot(3)/(4)=(11\cdot3)/(1\cdot4)\n\center\boxed{=(33)/(4)=8(1)/(4)}$

Find the unknown side of the right triangle. Round to the nearest thousandths. One side is 9yd, the other side is 12 yd.

Answers

You haven't told us whether 9 and 12 are the two legs of the triangle, or whether the 12yd is the longest side.

If the 9 and the 12 are the two legs, then:
C² = A² + B²
C² = 81 + 144
C² = 225
C = 15 yd

If the 12 is the longest side, then:
(12)² = (9)² + B²
B² = (12)² - (9)² = 144 - 81 = 63
B = √63 = 7.937yd (rounded)

If m<1=140, what is m<3

Answers

m < 1 = 140
m < 2 = 40

m < 2 + 90 + m < 3 = 180..(total of angles in a triangle are 180)
40 + 90 + <3 = 180
130 + <3 = 180
m < 3 = 180 - 130
m < 3 = 50

I assure you the answer is 50!

Multiple please please answer

Answers

Answer:

BC = 18tan(40°)

Step-by-step explanation:

The leg of the triangle can be explained using tan

Tan(angle) = opposite/adjacent

Plug in and simplify to get the answer

Answer:

Hello,

18 x tan 40°

Step-by-step explanation:

tan 40° = BC / AC

and with AC = 18

tan 40° = BC / 18 ⇔ BC = 18 x tan 40°

If 120% is 360,what is 100%

Answers

Answer:

300

Step-by-step explanation:

We know

120% = 360

100% = ?

We cross multiply by 100 and divide by 120.

(360 x 100) ÷ 120 = 300

So, the answer is 300

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