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vovangra [49]
4 years ago
7

Given the formula for the perimeter of a rectangle where l represents the length and w represents the width. 2(l + w) What does

the 2 represent in this formula?
Mathematics
1 answer:
Zielflug [23.3K]4 years ago
7 0
The 2 represents the number of sides there are. There are 2L and 2W sides on a rectangle.
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$30,000 for 15 years at a yearly simple interest rate of 5%
djverab [1.8K]
Hi there

To find the simple interest earned
Use this formula
I=prt
I interest earned?
P principle 30000
R interest rate 0.05
T time 15 years

So
I=30,000×0.05×15
I=22,500

Hope it helps
8 0
3 years ago
Jeremy is driving to his friends house that is 60 miles away from his home the scale on Jeremy's map is 1 1/2 inches equivalent
defon

Answer:

The distance between their house on the map is 10 inches.

Step-by-step explanation:

In order to calculate the distance from Jeremy's friend house to his we can apply a rule of three in a way that 60 miles is related to "x" inches in the same proportion as "1 1/2" inches is related to 9 miles. Before applying that it'll be for the best if we convert the mixed fraction to a pure fraction as shown below:

d = 1\frac{1}{2} = 1 + \frac{1}{2} = \frac{2}{2} + \frac{1}{2} = \frac{3}{2}

Creating the rule of three:

\frac{60}{9} \frac{\text{miles}}{\text{miles}} = \frac{x}{\frac{3}{2}} \frac{\text{inches}}{\text{inches}}\\\\9*x = \frac{60*3}{2}\\\\x = \frac{180}{18}\\\\x = 10 \text{ inches}

The distance between their house on the map is 10 inches.

3 0
4 years ago
Rick's lumberyard has 360 yd of fencing with which to enclose a rectangular area. If the enclosed area is x yards​ long, express
cestrela7 [59]

Answer:

180x - x²

Step-by-step explanation:

Since the yard has 360 yd. of fencing, hence the perimeter of Rick's lumberyard has 360 yd.

Given that the yard is x yards long. Let y represent the width of the yard. Hence:

Perimeter of the yard = 2(length + width) = 2(x + y)

Substituting:

360 = 2(x + y)

180 = x + y

y = 180 - x

Therefore the width of the yard is (180 - x) yard.

The area of the yard is the product of the length and the width, hence:

Area (A) = length * width

A = x * (180 - x)

A = 180x - x²

3 0
3 years ago
Help help pls answer asap
Effectus [21]

Answer:

Step-by-step explanation:

V-0.12V (first option) if we factor it it becomes

V(1-0.12)=0.88V (last option)

3 0
3 years ago
Determine the area of the composite shape.
OLEGan [10]

Answer:

132 ft²

Step-by-step explanation:

The shape is composed of a rectangle and a triangle.

Area of the shape = area of rectangle + area of triangle

Area of rectangle = L*W

L = 12 ft

W = 8 ft

Area of rectangle = 12*8 = 96 ft²

Area of triangle = ½bh

b = 8 ft

h = 21 - 12 = 9 ft

Area of triangle = ½(8*9) = 36 ft²

Area of the shape = 96 + 36 = 132 ft²

6 0
3 years ago
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