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Tju [1.3M]
3 years ago
14

The area of a rectangle increased by seven is the same as for less than twice the area of the rectangle. Right and solve an equa

tion to determine the area of the rectangle
Mathematics
1 answer:
never [62]3 years ago
7 0

Answer:

11 Square Units

Step-by-step explanation:

Let A be the area of the Rectangle

First statement: The area of the rectangle is increased by seven, we have :

A+7

Second Statement: Four less than twice the area of the rectangle

Twice the Area=2A

Four less = 2A-4

Therefore:

2A-4=A+7

Collecting like terms

2A-A =7+4

A=11

The area of the rectangle is 11 Square Units.

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Cam is a corrupt politician. Nobody votes for him except those he pays to do so. It costs Cam exactly \$100$100 to buy each vote
dolphi86 [110]

Answer:

Yes, Cam's costs proportional to the number of votes he receives.

Step-by-step explanation:

It is given that Cam is a corrupt politician. Nobody votes for him except those he pays to do so. It costs Cam exactly $100 to buy each vote.

Let the number of votes he get be x.

Then the total cost of Cam is

C=100\times x         ... (1)

Where, C is Cam's costs and x is number of votes he receives.

Two variables are proportional to each other if

y\propto x

y=kx                     ... (2)

Where k is constant of proportionality.

Since equation (1) and (2) and similar and the constant of proportionality is 100, therefore we say that Cam's costs proportional to the number of votes he receives.

7 0
3 years ago
The length of six pipes were measured and recorded as follows 2.5m, 6.25m, 4.Om, 2.5m, 3.75m and 6.5m. What is the median length
yaroslaw [1]

Answer:

3.875

Step-by-step explanation:

5 0
2 years ago
Solve each inequality. Show/explain how you got your answer.<br><br> −132&gt;12(n+9)
Elena-2011 [213]

Answer:20

Step-by-step explanation:

5 0
2 years ago
Adia plans to wallpaper her bedroom. The measurements are 10’ by 12’ with 8’ ceilings. Part 1: What is the total area of the wal
Leokris [45]
10' x 12' are the dimensions for the floor and roof, both of which will not be covered with wallpaper.

The room will have two identical walls with the following dimensions:
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The total area to be covered is:
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3 years ago
A square has a perimeter of 76 ft. What is the length of each side?
DaniilM [7]

Answer:

19ft

Step-by-step explanation:

76÷4-- because a square has 4 sides

=19ft

19+19+19+19

=76

8 0
3 years ago
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