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statuscvo [17]
2 years ago
9

Samantha is wall papering her bedroom and wants to make sure that she bought enough wall paper. Each wall in her room measures 1

0 feet by 11 feet. How many rolls of wall paper will Samantha need if each roll covers a total of 25 square feet.
Mathematics
1 answer:
Gala2k [10]2 years ago
7 0

Answer:

17.60

Step-by-step explanation:

Look at the room carefully, the length of the room is 11 feet

And the height = 10 feet

The area of the 4 walls of the room = 4( 11×10) = 440 sq ft

Area covered by each roll = 25 sq ft

= 440/25 = 17.60 rolls

Therefore we require 17.60 rolls to cover a rectangular room on all four sides.

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Which is a stretch of an exponential growth function? f(x) = Two-thirds (two-thirds) Superscript x f(x) = Three-halves (two-thir
Arte-miy333 [17]

Answer:

f(x) = Three-halves (three-halves) Superscript x

f(x) = Two-thirds (three-halves) Superscript x

Step-by-step explanation:

Since, a function in the form of f(x) = ab^x

Where, a and b are any constant,

is called exponential function,

There are two types of exponential function,

  • Growth function : If b > 1,
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Since, In

f(x) =\frac{2}{3}(\frac{2}{3})^x

\frac{2}{3} < 1

Thus, it is a decay function.

in f(x) =\frac{3}{2}(\frac{2}{3})^x

\frac{2}{3} < 1

Thus, it is a decay function.

in f(x) =\frac{3}{2}(\frac{3}{2})^x

\frac{3}{2} > 1

Thus, it is a growth function.

in f(x) =\frac{2}{3}(\frac{3}{2})^x

\frac{3}{2} > 1

Thus, it is a growth function.

5 0
2 years ago
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The length of a rectangle is 3x^4 and the width is 5x^5. What is the<br> area of the rectangle? *
kogti [31]

\boxed{\underline{\blue{\textrm{Area of Rectangle = l × b}}}}

  • Length of rectangle = 3x⁴
  • width of Rectangle = 5x⁵

Area = 3x⁴ × 5x⁵

Area of rectangle = 15x⁹

4 0
2 years ago
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Adela is buying a DVD player on layaway for 210$. If she makes a down payment of 30$ ad pays 15$ each week. How many weeks will
Diano4ka-milaya [45]

Answer:

It will take 12 weeks to pay for the DVD players.

Step-by-step explanation:

Given in the question that,

total cost of DVD bought by Adela = $210

Step 1

Adela makes a down payment of $30

$210 - $30 = $180

Remaining cost = $180

Step 2

Adela pays $15 each week

$15 = 1 week

$180 = ?

$1 = 1 week/15

$180 = 180/15 week

        = 12 weeks

7 0
2 years ago
Mike wants to rent a car for his vacation. The rental costs $125 a week plus $.15 a mile. How far can mike travel in a week if h
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He can travel 500 miles
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1 year ago
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A square rotated about its center by 360º maps onto itself at: a) 1 B) 2 C) 3 D) 4 different angles of rotation. You can reflect
grandymaker [24]

Answer:  A square rotated about its center by 360º maps onto itself at D) 4 different angles of rotation. You can reflect a square onto itself across B) 4 different lines of reflection.

Step-by-step explanation:

A square is a geometric figure which has all its four sides equal and all its interior angles are right angles( 90^{\circ}) .

Therefore, it can be rotated about its center by 360^{\circ} .

It maps onto itself at 4 different angles of rotation ( at every 90^{\circ} angle).

We can reflect a square onto itself across 4 different lines of reflection (2 across the non-parallel sides and 2 across the vertices of the square).

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2 years ago
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