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rewona [7]
3 years ago
11

1. What is the distance between the points (-3,0) and (3, 8) in the xy-plane?

Mathematics
1 answer:
olga_2 [115]3 years ago
8 0
The answer is c
Ok please thanks me if I’m correct
If is not correct comment
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Can someone help me with this please
Pepsi [2]

Answer:

63.6

Step-by-step explanation:

\sqrt{45^{2} + 45^{2}} = \sqrt{4050}

3 0
3 years ago
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If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:
RideAnS [48]

Answer:

A. 5xy + 9yz + 3zx + 5x – 4y

Step-by-step explanation:

uhh credit for this answer goes to Blaise Pascal for inventing calculators .-.

4 0
2 years ago
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alex wong basketball after making a half court shot. the display box for his new basketball is in the shape of a cube. alex meas
suter [353]

408.454 cubic inches of air is surrounding the ball in the box

Step-by-step explanation:

When a sphere is inscribed in a cube and touching all of its faces, then

  • The diameter of the sphere = the side of the cube
  • The empty volume of the cube is the difference between the volume of the cube and the volume of the sphere

∵ The basketball is shaped a sphere

∵ The box is shaped a cube

∵ The ball touching every wall of the box

∴ The diameter of the ball = the side of the box

∵ The length of one side of the cube = 9.5 inches

∴ The diameter of the ball = 9.5 inches

∵ The diameter of the ball = 2 r, where r is the radius of the ball

∴ 9.5 = 2 r

- Divide both sides by 2

∴ r = 4.75 inches

∵ The volume of the air that surrounded the ball in the box =

   volume of the box - volume of the ball

∵ Volume box (cube) = s³

∵ s = 9.5 inches

∴ Volume of the box = (9.5)³

∴ Volume of the box = 857.375 inches³

∵ Volume the ball (sphere) =  \frac{4}{3} π r³

∵ r = 4.75

∴ Volume the ball = \frac{4}{3} (π)(4.75)³

∴ Volume the ball = 448.921 inches³

Substitute the values of the volumes of the box and the ball in the rule above

∴ The volume of the air = 857.375 - 448.921

∴ The volume of the air = 408.454 inches³

408.454 cubic inches of air is surrounding the ball in the box

Learn more:

You can learn more about volume of solids in brainly.com/question/12497249

#LearnwithBrainly

6 0
3 years ago
Does anyone know what x and y equal
Ket [755]
X=4 y=10
Because when you look at the intersection of the two lines they intersect at (4,10) (x,y)
5 0
3 years ago
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In a right triangle, angle C measures 40°. The hypotenuse of the triangle is 10 inches long. What is the approximate length of t
Galina-37 [17]

Answer:

The cosine function is: adjacent/hypotenuse = cos (40). We know the hypotenuse length is 10, so the equation is now adjacent/10 = cos (40). Solving for adjacent length we get 7.7 inches.

4 0
3 years ago
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