Please help me with this problem thanks!

Answers

Answer 1

Answer: use the formula of a reactangle and a triangle.
Answer= 110400 sq. mi

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2 angles in a tringle add up to 115 degrees what is the size of the thrid angle #

Answers

The size of the third angle is 65°.

All interior angles in a triangle must equal to 180°.

So, if 1st and 2nd angle is 115°, then, the 3rd angle would be equal to the difference of 180° and 115°.

3rd angle = 180° - 115° = 65°

65
Because a triangles angle all add up to 180
If 2=115
You do- 180-115= 65

Whic of these is an irrational number A.0 B1.9 C.? D.1/2

Answers

Irrational numbers are real numbers that can't be expressed as ratio integers. It cannot be written as a simple fraction.

What is the exact volume of the sphere?. . A.. 463.01 m3. . B.. 147.456 m3. . C.. 96.46 m3. . D.. 36.868 m3

Answers

The volume of the sphere : ( r = 4.8 m )
V = 4/3 r³ π = 4/3 · ( 4.8 m )³ · 3.14 = 4/3 · 110.592 · 3.14 = 463.01 m³
Answer: A ) 463.01 m³

What is the exact volume of the sphere?

Answer: since you did not provide the sphere in order to find the volume there is no way to find the volume. In order to find the volume if a sphere we simply have to use the following formula : v = ¾(Pi)r³.

I hope it helps, Regards.

The center of a circle is located at (3, 8), and the circle has a radius that is 5 units long. What is the general form of the equation for the circle? A. x2 + y2 − 6x − 16y + 48 = 0 B. x2 + y2 − 6x − 16y − 25 = 0 C. x2 + y2 + 6x + 16y + 48 = 0 D. x2 + y2 + 6x + 16y − 25 = 0

Answers

Answer:

A. x² +y² -6x -16y +48 = 0

Step-by-step explanation:

The standard-form equation for a circle centered at (h, k) with radius r is ...

(x -h)² +(y -k)² = r²

For your circle, this is ...

(x -3)² +(y -8)² = 5²

To put this in general form, you subtract the constant on the right, and eliminate parentheses:

x² -6x +9 +y² -16x +64 -25 = 0

x² +y² -6x -16y +48 = 0 . . . . . rearrange to descending powers of x, y

Factor the polynomial completely. x^2 + 3x + 4A) (x + 2)(x + 2)
B) (x - 1)(x + 4)
C) (x - 4)(x + 1)
D) cannot be factored

Answers

Answer: D) cannot be factored

Step-by-step explanation:

This polynomial is cannot be factored with these rational numbers

1.75 = 12.3 - x / 2.8

Solve for x

Answers

1.75=12.3-x/2.8
x=(12.3-1.75)2.8
x=29.54

1.75 = 12.3 - x / 2.81.75-12.3=-x/2.8

-10.55=-x/2.8

-10,55*-2.8=x

x=29.54

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