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ozzi
2 years ago
5

Suppose you are given Circle B with Area of ΔAOB(purple) = Area of Sector BOC (pink). What is m

Mathematics
1 answer:
Art [367]2 years ago
8 0
\bold{ANSWER:}

28.65 Degrees

\bold{EXPLANATIONS:}

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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 =

A = l\times w

Differentiating we get,

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

Putting values, we get,

8 = \dfrac{dl}{dt}(7) + (0.4)(10)\\\\\dfrac{dl}{dt}(7) = 8 -4\\\\\dfrac{dl}{dt} \approx 0.5714

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

5 0
2 years ago
Algebra II please help!
nikdorinn [45]

Answer:

D) a8 = 35 - (n - 1)(3)

Step-by-step explanation:

7 0
2 years ago
Mia is calculating the volume of the cylinder below using the following work. A cylinder with height of 47 meters and diameter o
inn [45]

Mia’s first error was " she forgot to multiply π by (17.5)²(47) "

Step-by-step explanation:

The formula of the volume of a cylinder is V = π r² h, where

  • r is the radius of the base of the cylinder
  • h is the height of the cylinder

∵ The diameter of the base of the cylinder is 35 meters

∵ The radius = \frac{1}{2} × diameter

∴ The radius = \frac{1}{2} × 35 = 17.5 meters

∴ r = 17.5

∵ The height of the cylinder = 47 meters

∴ h = 47

- Substitute r and h in the formula of the volume

∴ V = π (17.5)²(47)

∵ Mai's first step is V = (17.5)²(47)

- She forgot to put π

∴ Her first error is she forgot to multiply π by (17.5)²(47)

Mia’s first error was " she forgot to multiply π by (17.5)²(47) "

Learn more:

You can learn more about the volume in brainly.com/question/6443737

#LearnwithBrainly

3 0
3 years ago
Read 2 more answers
!! PLEASE I NEED HELP ASAP, I WILL MARK THE FIRST PERSON THAT ANSWERS WITH THE RIGHT ANSWER THE BRAINIEST !!!
Tasya [4]

Answer:

A is the answer

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the answer ?
Rzqust [24]
Hope This Helped and GOOD LUCK!!!!!!! :D

3 0
3 years ago
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