3 years ago

Please help me answer number 3! And please explain if you can!

1 answer:

5 0

The answer is. That the rate unit from feet to inches would be multiply by 12 and the rate unit from inches to feet is divide by 12 using remainders. The answer to the question is an explanation of it's own.

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Identify the quadratic term in the function.<br><br>f(x)=2x2−3x+5<br>

Vadim26 [7]

Answer:

2x2-3x-5=0

Step-by-step explanation:

(2x2 - 3x) - 5 = 0

4 0

3 years ago

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If the area of a circle is 20.4 units squared, what is the radius?

dmitriy555 [2]

Answer:

r = 2.55

Step-by-step explanation:

The formula for finding the radius of a circle using the area is r = √A/π

with the r being the radius. the A being the area, and the π being pi (we'll use 3.14).

So the equation should look like this:

r = √(20.4/3.14)

Find the quotient of 20.4/3.14 and round to the nearest tenth

r = √6.5

Find the square root and round to the nearest hundredth

r = 2.55

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3 years ago

Which types of polygons are the faces of a tetrahedron?

valentina_108 [34]

The answer is the option A, which is: A. Equilateral triangles.

The explanation for this answer is shown below:

By definition, a tetrahedron is a solid in three dimensions that has: six sides, four vertices and four triangular faces. These faces are equilateral triangles, which means that all the sides are equal and all the interior angles measure $60$ degrees.