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4 years ago

Which solid figures are best for construction? Explain why

Mathematics

2 answers:

Lesechka [4]4 years ago

8 0

A square because you can use to measure in any way you want

Sphinxa [80]4 years ago

4 0

A triangle is the best because it is sturdy. There is no "wiggle room" for the triangle to transform into another shape.

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Find all the zeros of the equation<br> -2x^4+27x^2+1200=0

Angelina_Jolie [31]

For this case we have the following polynomial:
$-2x ^ 4 + 27x ^ 2 + 1200 = 0$
To solve the problem we apply the following steps:
1) We make a change of variables u = x ^ 2
2) We rewrite the polynomial
3) Solve the quadratic equation using the formula for the quadratic equation
4) We return the change and find four roots
Answer:
See attached image for procedure and solution

4 0

4 years ago

What is 1,234,456×123

Over [174]

1,234,456×123 = <span>151838088</span>

4 0

4 years ago

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A bakery has fixed costs for retail space, electricity, and appliances of $15,000. The variable cost of baking a cookie is 0.25

den301095 [7]

Answer:

Step-by-step explanation:

That $15,000 sounds like an annual amount, not a monthly or weekly amount. In the absence of clarification of this, I will include that $15,000 in the following calculations:

Let the # of cookies baked be z and the number of cakes be k.

Then:

Total cost = $15,000 + ($0.25/cookie)z + ($3.53/cake)k

In this specific case, where the number of cookies is z and the number of cakes is k, the formula

Total cost = $15,000 + ($0.25/cookie)z + ($3.53/cake)k

becomes ...

Total cost (z, k) = $15,000 + ($0.25/cookie)(400) + ($3.53/cake)(200),

and this works out to:

TC (z, k) = $15,000 + $100 + $706 = $15,000 + $806 = $15,806.

No cakes or cookies could be good enough to warrant production costs that high!

Double-check to ensure that you have copied this problem down completely and accurately.

6 0

3 years ago

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The area, a, of an ellipse can be determined using the formula a = πxy, where x and y are half the lengths of the largest and sm

Lisa [10]

The formula can also be proved using a trigonometric substitution . Each of above proofs will generalize to show that the volume of an ellipsoid with semi-axes A, B and C is just

(4/3)*Pi*A*B*C

6 0

3 years ago

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What is the surface area of the solid?

trapecia [35]

Answer:

A. 520 square inches is your surface area of the rectangular prism

3 0

4 years ago

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