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Roman55 [17]
3 years ago
10

A square tile has a side length of 12 cm. What is the area of the tile?

Mathematics
1 answer:
Lesechka [4]3 years ago
7 0

Step-by-step explanation:

Area of square =side×side

=12×12

=144cm^2

Hope this helped! :)

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Una piscina rectangular de 15 metros de largo por 9 metros de ancho està rodeada por un
stira [4]

Answer: 2 meters.

Step-by-step explanation:

Let w = width of the cement path.

Dimensions of pool : Length = 15 meters , width = 9 meters

Area of pool = length x width = 15 x 9 = 135 square meters

Along width cement path, the length of region = 2w+15

width = 2w+9

Area of road with pool =  (2w+15) (2w+9)

= 4w^2+30w+18w+135\\\\=4w^2+48w+135

Area of road = (Area of road with pool ) -(area of pool)

\Rightarrow\ 112 =4w^2+48w+135- 135\\\\\Rightarrow\ 112= 4w^2+48w\\\\\Rightarrow\ 4 w^2+48w-112=0\\\\\Rightarrow\ w^2+12w-28=0\ \ \ [\text{Divide both sides by 4}]\\\\\Rightarrow\ w^2+14w-2w-28=0\\\\\Rightarrow\ w(w+14)-2(w+14)=0\\\\\Rightarrow\ (w+14)(w-2)=0\\\\\Rightarrow\  w=-14\ or \ w=2

width cannot be negative, so w=2 meters

Hence, the width of the road = 2 meters.

8 0
3 years ago
You are playing a game where you win $5 if you draw a card that is 9 or lower. J, Q, K, and A count as 10. How much should you b
GaryK [48]
3.08 hjknhuiniuniuhybybybyyby
5 0
3 years ago
Find the 84th term of the arithmetic sequence -5,15,35, ...
pav-90 [236]

Answer:

The 84th term of the arithmetic sequence -5,15,35, ... is 1675.

Step-by-step explanation:

The arithmetic sequence -5,15,35, ... increases by 20 per term. Add 20 to the prior term to find the new term. Do this 83 times from -5, and you reach 1675.

8 0
3 years ago
What is the length, in meters, of the ramp, line segment AC, below? Round to the nearest whole number if necessary.
Brrunno [24]

<em>10 meters.</em>

Step-by-step explanation:

To find the missing side of a right triangle, we can use the <u>Pythagorean theorem</u>.

The Pythagorean theorem is...

a^2+b^2=c^2

Please be sure to note that a and b will <em>always </em>be the length of the sides and c will <em>always </em>be the hypotenuse, or in this case the ramp.

Since we know the values of both of the sides we can plug this into the theorem.

6^2+8^2=c^2

Now we can solve.

36+64+c^2

Add.

100=c^2

Many people will make the mistake of thinking 100 is the final answer, but since c is squared we need to find the square root of 100.

\sqrt{100} =10

c = 10

<em><u>The ramp is 10 meters.</u></em>

6 0
3 years ago
What is the area of the shape above ?
Oliga [24]

Answer:

D 341

Step-by-step explanation:

19 × 12 = 228

\pi {6}^{2}  = 113 \\ 228 + 113 = 341

7 0
3 years ago
Read 2 more answers
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