MATHEMATICS HIGH SCHOOL

Solve for x.
25/60 = 30/x

25

36

50

72

Answers

Answer 1

Answer: 25/60 = 30/x
x = 30/25 * 60
x = 1800/25
x = 72

So, option D is your answer.

Hope this helps!

Answer 2

Answer:

Answer:

Step-by-step explanation:

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The height of a square prism is 3n + 1. The volume of the prism is 3n³ + 13n² + 16n + 4. What is the area of the square base of the prism? (Show all steps.)

Answers

If s is the side of the square base, the area of the square base is s^2.
The volume of the square base is,
V = (s²) (h)
s² = V/h
s² = 3n³ + 13n² + 16n + 4 / 3n + 1
You can do this division by factoring, synthetic division, or by plain division.
Factoring out 3n + 1 from the numerator gives you:
s² = (3n + 1)(n² + 4n + 4) / 3n+1
s² = n² + 4n + 4

Therefore, the area of the square base is n² + 4n + 4.

3 and a Half cubes of sand transported at once. How many times do vehicle travel to transport 28 sand cubes.

Answers

Answer:

8 times

Step-by-step explanation:

28/3.5 = 8

Write __ as a fraction
0.17

Answers

A. is the correct answer

Step-by-step explanation:

Marc is looking at the plans for his new garage. the length of the garage is 8 metres. the scale on the drawing is 1:50. what will the length of the garage be on the drawing?

Answers

The answer is 16 cm (or 0.16 m).

The scale is the ratio of the model to the real thing.
So, in the scale 1:50, the model is 1, while the real thing is 50.
Now, just make a proportion:
the model : the real thing = the model dimension : the real thing dimension
1 : 50 = x : 8m

From here:
x = 8m * 1 / 50 = 0.16 m = 0.16 * 100 cm = 16 cm.

A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

Answers

$look\ at\ the\ picture\n\n(2r)^2=3^2+4^2\n\n4r^2=9+16\n\n4r^2=25\ \ \ /:4\n\nr^2=(25)/(4)\n\nr=\sqrt(25)/(4)\n\nr=(√(25))/(\sqrt4)\n\nr=(5)/(2)\n\ncircumference\ of\ the\ circle:\n\nL=2\pi r;\ L=2\pi\cdot(5)/(2)=5\pi$