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fomenos
3 years ago
9

#2 A triangle has a height three times its base. The area of a triangle is 73.5

Mathematics
1 answer:
cestrela7 [59]3 years ago
6 0

Answer: See explanation

Step-by-step explanation:

Let the base be represented by x.

Therefore, the height will be = 3 × x = 3x

Since Area of a triangle = 1/2 × base × height

1/2 × x × 3x = 73.5

3x²/2 = 73.5

3x² = 73.5 × 2

3x² = 147

x² = 147/3

x² = 49

x = ✓49

x = 7

Base = 7cm

Height = 3 × 7 = 21cm

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DedPeter [7]

Answer:

5(√3 - 1)

Step-by-step explanation:

Edge of cube = 10

If the sphere is inscribed in a cube, the edges of the cube is equal to the diameter of the sphere.

Diameter = 10

We will then find the diagonal of the cube.

Diagonal = √10^2 + 10^2 + 10^2

= √300

= 10√3

Let X be the distance between the vertex of the cube and the surface of the sphere

X = (diagonal - diameter) /2

X = (10√3 - 10)/2

X = (10(√3 - 1))/2

X = 5(√3 - 1)

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3 years ago
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Step-by-step explanation:

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1 year ago
find two positive even consecutive integers such that a square of the smaller integer is 10 more than the larger integer
nalin [4]

Answer:

the two positive consecutive integers are 4 and 6.

Step-by-step explanation:

Let the smaller integer be s; then s^2 = (s + 2) + 10.

Simplifying, s^2 - s - 2 - 10 = 0, or

s^2 - s - 12 = 0.

Solve this by factoring:  (s - 4)(s + 3) = 0.

Then s = 4 and s = -3.

If the first even integer is 4, the next is 6.  We omit s = -3 because it's not even.

The smaller integer is 4.  Does this satisfy the equation s^2 = (s + 2) + 10?

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3 years ago
Find the value of x for which m parallel to n <br> A. 31 <br> B. 33 <br> C. 39 <br> D. 41
olya-2409 [2.1K]
Hello!

We are told that n and m are parallel.
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The alternate interior angle measures 75 degrees, so we can set that equal to 3x - 18 to solve for x since alternate interior angles are congruent.

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Answer:
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3 years ago
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