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tangare [24]
2 years ago
5

Pleaseee help answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Naya [18.7K]2 years ago
5 0

Answer:

540

Step-by-step explanation:

(n-2)×180

(5-2)×180

3×180

540

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Dan draws a circle with a radius of 8 inches. Question 1 Part A: What is the circumference of Dan's circle, inches? If needed, r
geniusboy [140]

Answer:

The circumference of Dan's circle is approximately 50.27 inches.

Step-by-step explanation:

The length of the circumference (s), measured in inches, is determined by the formula:

s = 2\pi\cdot r (1)

Where r is the radius, measured in inches.

If we know that r = 8\,in, then the length of the circumference is:

s = 2\pi\cdot (8\,in)

s \approx 50.27\,in

The circumference of Dan's circle is approximately 50.27 inches.

8 0
3 years ago
A ship's sonar finds that the angle of depression to a wreck on the bottom of the ocean is 15.20. If a point on
Alexxx [7]

Answer:

We have

tan 12.5  = 60 / adj       rearrange  as

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Step-by-step explanation:

Mark me brainllest

3 0
2 years ago
Simplify. 32 + 16 + 8 A) 4 + 6 2 B) 6 + 4 2 C) 10 + 2 D) 10 2
Ann [662]

Answer:

its 56 if you simplify 32 + 16 + 8

6 0
3 years ago
Really need help please help me please please
Maru [420]

Answer:

y = 3/4x + 3

Step-by-step explanation:

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3 0
3 years ago
assume x and y are both differentiable functions of t. find dx/dt given x=-1 and dy/dt=8 for the relation: 4x^2+3y^3=28
melomori [17]

Given:

x and y are both differentiable functions of t.

4x^2+3y^3=28

x=-1\text{ and }\dfrac{dy}{dt}=8

To find:

The value of \dfrac{dx}{dt}.

Solution:

We have,

4x^2+3y^3=28       ...(i)

At x=-1,

4(-1)^2+3y^3=28

4+3y^3=28

3y^3=28-4

3y^3=24

Divide both sides by 3.

y^3=8

Taking cube root on both sides.

y=2

So, y=2 at x=-1.

Differentiate (i) with respect to t.

4(2x\dfrac{dx}{dt})+3(3y^2\dfrac{dy}{dt})=0

Putting x=-1, y=2 and \dfrac{dy}{dt}=8, we get

4(2(-1)\dfrac{dx}{dt})+3(3(2)^28)=0

-8\dfrac{dx}{dt}+9(4)(8)=0

-8(\dfrac{dx}{dt}-9(4))=0

Divide both sides by -8.

\dfrac{dx}{dt}-36=0

\dfrac{dx}{dt}=36

Therefore, the value of 4x^2+3y^3=28 is 36.

6 0
2 years ago
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