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2 years ago

7

Answer please thanks

2 answers:

tiny-mole [99]2 years ago

3 0

The area of this composite figure is 533 square inches.
The formula for a rectangle is lw, and the formula for the area of a triangle is 1/2bh. After plugging the values into these formulas, we have to add the values all together to get the final area.

Tatiana [17]2 years ago

3 0

13x29=377 for the rectangle, and the area for the triangle is 71.5. Now you need to add it. 377+71.5=448.5.

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mrs_skeptik [129]

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2 years ago

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enot [183]

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2 years ago

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zmey [24]

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2 years ago

A rectangle initially has width 7 meters and length 10 meters and is expanding so that the area increases at a rate of 8 square

Tems11 [23]

Answer:

The length of rectangular is increasing at a rate 0.5714 meters per hour.

Step-by-step explanation:

We are given the following in the question:

Initial dimensions of rectangular box:

Length,l = 10 m

Width,w = 7 m

$\dfrac{dA}{dt} = 8\text{ square meters per hour}\\\\\dfrac{dw}{dt} = 40\text{ centimeters per hour} =0.4\text{ meters per hour}$

We have to find the rate of increase of length.

Area of rectangle =

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Differentiating we get,

$\displaystyle\frac{dA}{dt} = \frac{dl}{dt}w + \frac{dw}{dt}l$

Putting values, we get,

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Thus, the length of rectangular is increasing at a rate 0.5714 meters per hour.

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2 years ago

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lord [1]

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Step-by-step explanation:

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