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Scrat [10]
3 years ago
9

Tom has a pool in his backyard. The patio and fence around the pool are

Mathematics
1 answer:
stiks02 [169]3 years ago
4 0
Yes it's A cos that's the correct answer
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What is a rational number between 6.2 and 6.3
Nikitich [7]
.1 is the rational number
3 0
3 years ago
A rectangular hotel room is 3 meters by 5 meters. The owner of the hotel wants to re carpet the room with carpet that cost $15.0
eimsori [14]

Answer:

Step-by-step explanation:

The room is rectangular in shape. The formula for determining the area of a rectangle is expressed as

Area = length × width

The rectangular hotel room is 3 meters by 5 meters. The area of the room would be

Area = 3 × 5 = 15 square meters

The owner of the hotel wants to re carpet the room with carpet that cost $15.00 per square meter. This means that the cost to re carpet the room would be

15 × 15 = $225

3 0
3 years ago
Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2)
Karo-lina-s [1.5K]

Answer C : 3x^2+7xy-2y^2

equivalent to the following expression

(2x^2+4xy-y^2)+(x^2+3xy-y^2)

2x^2+4xy-y^2+x^2+3xy-y^2

Combine like terms

2x^2+x^2+4xy+3xy-y^2-y^2

2x^2 + x^2 is 3x^2

4xy+3xy is 7xy

-y^2-y^2 is -2y^2

So expression becomes

3x^2+7xy-2y^2

Answer  C is correct

3 0
3 years ago
Read 2 more answers
A carpenter is building a rectangular shed with a fixed perimeter of 54 ft. What are the dimensions of the largest shed that can
lutik1710 [3]

Answer:

the Largest shed dimension is 13.5 ft by 13.5 ft

Largest Area is 182.25 ft²

Step-by-step explanation:

Given that;

Perimeter = 54 ft

P = 2( L + B ) = 54ft

L + B = 54/2

L + B = 27 ft

B = 27 - L ------------Let this be equation 1

Area A = L × B

from equ 1, B = 27 - L

Area A = L × ( 27 - L)

A = 27L - L²

for Maxima or Minima

dA/dL = 0

27 - 2L = 0

27 = 2L

L = 13.5 ft

Now, d²A/dL² = -2 < 0

That is, area is maximum at L = 13.5 using second derivative test

B = 27 - L

we substitute vale of L

B = 27 - 13.5 = 13.5 ft

Therefore the Largest shed dimension = 13.5 ft by 13.5 ft

Largest Area = 13.5 × 13.5 = 182.25 ft²

7 0
3 years ago
The present age of reshmas father is three times her present age after five years the sum of their age will be 70 find their pre
iren [92.7K]
Reshma's age = x

Reshma = x + 5
Reshma's father= 3x + 5

x + 5 + 3x + 5 = 70
4x + 10 = 70
4 x = 60
x = 15

So Reshma's age currently is 15 and 3(15), which is 45, is her father's age.
8 0
3 years ago
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