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KIM [24]
3 years ago
14

In Paris, the sculpture Long-Term, created by Armand Fernandez, contains 60 cars embedded in 3.5 million pounds of concrete. How

many tons of concrete is this?
Mathematics
1 answer:
enot [183]3 years ago
8 0
You'll obviously have to convert "million pounds" to "tons."
Hint:  1 ton = 2000 pounds.  Create a conversion factor from this and then multiply "3.5 million pounds" by your conversion factor (with "pounds" in the denominator of this factor).
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A cylinder has a radius of 5cm and a height of 9cm find its total area
Sauron [17]

Answer: 706.5

Step-by-step explanation:

First you have to square the radius. So for this question you multiply 5x5. That makes 25. Then you multiply that with pi ( 3.14 ) and that makes 78.50. Next you multiply it by 9, that makes 706.5.

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3 years ago
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zlopas [31]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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Mhanifa please help! Solve each proportion. Round your answer to the nearest hundreth
Marianna [84]

Answer:

  • 5) m/5 = 7/2 ⇒ m = 5*7/2 ⇒ m = 35/2
  • 6) 7/4 = r/5 ⇒ r = 5*7/4 ⇒ r = 35/4
  • 7) 7/6 = 5/x ⇒ x = 5*6/7 ⇒ x = 30/7
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4 0
3 years ago
Solving Rational Inequalities and use sign diagram to sketch the graph. Image attached for better understanding.
hjlf

Answer:

x ∈ (-∞ , -2) ∪ (1, 3)

Step-by-step explanation:

The expression is already factored. Note that for the polynomial that appears in the numerator (x-3)(x + 2) there are 2 roots:

x = 3\\x = -2

For the polynomial that appears in the denominator there is 1 root:

x = 1

Note that x = 1 does not belong to the domain of f(x) because it zeroes the denominator of the function and the division between zero is not defined.

With these three roots we do the study of signs to find out when f(x)

Observe the attached image

Note that:

(x-3) when x

(x + 2) when x

(x-1) when x

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x ∈ (-∞ , -2) ∪ (1, 3)

5 0
3 years ago
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nadezda [96]
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(1.3*2.8)(10^6*10^3)

Rule (a^b)(a^c)=a^(b+c)

(3.64)(10^(6+3))

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3.64X10^9 ft

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3.6X10^9  if we were to express our answer to the correct number of significant figures....


7 0
3 years ago
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