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blagie [28]
3 years ago
8

the volume of a square pyramid with height 2.4cm is 3.2cm. what is the width of the base of the pyramid?

Mathematics
1 answer:
lesantik [10]3 years ago
8 0
The answer is 2.0 cm

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What is 12/39 in simplest form
Genrish500 [490]
<span>If you would like<span> to know what is </span>12/39 in simplest form, you can calculate this using the following step:<span>

12/39<span> simplifies to 4/13 (the common factor of 12 and 39 is 3, so you can divide both numbers by 3).</span>

<span>The result is 4/13.</span></span></span>
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Steve said it does not matter which term is first and which term is second in a ratio, since ratios are different than fractions
marishachu [46]

Ratio is a comparison of two values or two quantities.

Fraction is a another form of ratio.

The first term and the second term in the ratios are important.

It should not be changed.

The first quantity value is in first term and the second quantity value is in second term of the ratio.

Ratio and fractions are same.

Example:

The ratio of male to female in the school is 5 : 6.

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3 years ago
Find the difference of g(x) and j(x).
andrew-mc [135]
To find the answer, subtract j(x) from g(x):

g(x) - j(x)

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(x^2 - 2x + 11) - (-x^3 - 4x^2 + 5)

Distribute the negative, get rid of parentheses:

x^2 - 2x + 11 + x^3 + 4x^2 - 5

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How does writing an equation help you solve a problem?
vredina [299]
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3 years ago
Mr. Gonzales is replacing a cylindrical air-conditioning duct. He estimates the radius of the duct by folding a ruler to form tw
GalinKa [24]

Answer:

  • <em><u>5.6875 in</u></em>

Explanation:

At the point of tangency, the <em>tangent </em>to a circle and the <em>radius</em> form a right triangle (the radius is perpendicular to the tangent).

Here you are given the length of the tangent (6in), and the distance from the bisected vertex to the circle (2.75 in)

I tried to upload the drawing but the tool is not allowing it now.

In the figure:

  • The length of the tangent (6 in) is one leg of the triangle
  • The distance from vertex and the circle (2.75in)  along with the radius forms the hypotenuse of the right triangle: 2.75 + r.
  • The other leg is the radius, r.

Then, you can use Pythagorean theorem:

  • (r)² + (6)² = (r +2.75)²

Solve:

  • r² + 36 =  r² + 5.5r + 7.5625
  • 5.5r = 36 - 7.5625
  • 5.5r = 28.4375
  • r = 5.6875

The solution is in inches: r = 5.6875 inches ← answer

4 0
3 years ago
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