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kirill [66]
3 years ago
10

If the diameter of the smaller circle is 7 km and the width of the circular path is 0.5 km, find the area of the path. (Assume π

=3.14)

Mathematics
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

12.1

Step-by-step explanation:

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Find the area of a rectangle with a width of x3 + 5x - 9 and a length of x2 + 8.
Drupady [299]

Answer:

A = x⁵ + 13x³ - 9x² + 40x - 72  

Step-by-step explanation:

The formula for the area of a rectangle is length X width, or A = lw.

Substitute the equations for the sides into the formula:

A = lw

A = (x² + 8)(x³ + 5x - 9)      <= use the distributive property

A = x⁵ + 5x³ -9x² + 8x³ + 40x - 72   <= collect like terms

A = x⁵ + 13x³ - 9x² + 40x - 72

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Step-by-step explanation:

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What is y in the equation 14-6y=44
Ostrovityanka [42]
14-6y=44
-14 Both sides
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3 years ago
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Using only addition, how do you add eight 8’s and get the number 1000?
prisoha [69]

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Step-by-step explanation: First of all line all your eights' up and then split them

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1 Select the correct answer. Multiply the binomials: (3x + 4)(5x - 2) A.15x2 + 20x-8b. 15x2 + 14x-8 c. 15x2- 14x-8 D. 15x2+ 14x8
leonid [27]

Multiply the binomials:



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

\begin{gathered} =3x(5x\text{ - 2) + 4(5x - 2)} \\ =15x^2\text{ - 6x + 20x - 8} \\ =15x^2\text{ + 14x - 8} \end{gathered}

Final answer

Option B is the final answer

3 0
1 year ago
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