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Roman55 [17]
4 years ago
15

Explain how you could convert a rate of 18000 miles per hour to miles per second

Mathematics
2 answers:
krek1111 [17]4 years ago
7 0
18000 miles / 1 hour)(1 hour / 60 minutes)(1 minute / 60 seconds) =

18000 miles / 3600 seconds =

5 miles / 1 second

5 miles per second
Ulleksa [173]4 years ago
5 0
You could multiply that fraction by (1 hour / 3,600 seconds) .

               (18,000 mile / 1 hour) x (1 hour / 3,600 second) = 

               (18,000 x 1) / (1 x 3,600)  (mile-hour) / (hour-second) = 

                     (18,000 / 3,600)  (mile / second)  =  <span>5 mile/second
</span>
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Solve each system of equations.<br><br> 4x + 6y = 8<br> 5x – 4y = 25
Lubov Fominskaja [6]
\left \{ {{4x+6y=8} \atop {5x-4y=25}} \right. \\ \left \{ {{4x+6y=8} \atop {5x=25+4y}} \right.\\ \left \{ {{4x+6y=8} \atop {x=5+0.8y }} \right. \\ \left \{ {{4(5+0.8y)+6y=8} \atop {x=5+0.8y }} \right. \\  \left \{ {{20+3.2y+6y=8} \atop {x=5+0.8y }} \right. \\ \left \{ {{9.2y=-12} \atop {x=5+0.8y }} \right. \\ \left \{ {{y= -\frac{12}{9.2} } \atop {x=5+0.8y }} \right. \\  \left \{ {{y= -\frac{120}{92} } \atop {x=5+0.8(-\frac{12}{9.2}) }} \right. \\
\left \{ {{y= -1\frac{28}{92} } \atop {x=5-\frac{96}{92} }} \right. \\  \left \{ {{y= -1\frac{7}{23} } \atop {x=5-1\frac{1}{23} }} \right. \\   \left \{ {{y= -1\frac{7}{23} } \atop {x=4\frac{1}{23} }} \right. \\
\boxed{(x; y)=(4\frac{1}{23}; -1\frac{7}{23}) }





8 0
3 years ago
Topic:Mixed Power Problems
ale4655 [162]

=(3x^3-y^2)^2 [ open it in (a-b)^2 form]

=(3x^3)^2-2.3x^3.y^2+(y^2)^2

=3^2x^3×2-6x^3y^2+y^2×2

=9x^6-6x^3y^2+y^4. ans

7 0
3 years ago
What is the value of X? 14=X-3
lapo4ka [179]

Given data:

The given expression is 14=X-3

The given expression can be written as,

14+3=X

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Thus, the value of X is 17.

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The shape that best describes forest park is parallelogram. The correct answer is Option C).

<u>Step-by-step explanation</u>:

<u><em>step 1</em></u><em> :</em>

The two streets Oak and Maple are parallel.

The two streets Jefferson and Washington are parallel.

<u><em>step 2</em></u><em> :</em>

These parallel lines are intersecting each other.

<em>The properties of  intersection of parallel lines:</em>

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<u><em>step 3</em></u><em> :</em>

<em>The properties of parallelogram are:</em>

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<u><em>step 4</em></u><em> :</em>

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Thus, the shape forest park best describes parallelogram.

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3 years ago
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iogann1982 [59]

Answer:

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