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ella [17]
3 years ago
14

حل المعادلتين باستتخدام المعادله المصفوفه او الصف البسيط ٢م-ل=1 م+ل=٢-

Mathematics
1 answer:
Ket [755]3 years ago
4 0

Answer:

ummmm

Step-by-step explanation:

which language please and write in english so I will understand and after it all i will edit my answer

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Find the volume of this right rectangular<br> prism.<br> 3 in<br> 9 in<br> 3 in<br> [ ? Jin3
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Answer:

81 inches

Step-by-step explanation:

To find the volume of a rectangular prism you multiply the width × the height × the length.

So it would be 3×9×3 which equals to 81 inches

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A police cruiser is traveling at 20.0 m/s when the officer spies a speeder. The cruiser accelerates at 3.0 m/s^2 for 5.0 seconds
Tema [17]

For the first 5.0 seconds, the cruiser covers a distance of

\left(20.0\dfrac{\rm m}{\rm s}\right)(5.0\,\mathrm s)+\dfrac12\left(3.0\dfrac{\rm m}{\mathrm s^2}\right)(5.0\,\mathrm s)^2=137.5\,\mathrm m

At this point, the cruiser will have achieved a velocity of

\left(20.0\dfrac{\rm m}{\rm s}\right)+\left(3.0\dfrac{\rm m}{\mathrm s^2}\right)(5.0\,\mathrm s)=35\dfrac{\rm m}{\rm s}

The cruiser will take

\left(35\dfrac{\rm m}{\rm s}\right)-\left(5.0\dfrac{\rm m}{\mathrm s^2}\right)t=0\implies t=7.0\,\mathrm s

to come to a stop as it decelerates. It will have covered a total distance of

(137.5\,\mathrm m)+\left(35\dfrac{\rm m}{\rm s}\right)(7.0\,\mathrm s)+\dfrac12\left(-5.0\dfrac{\rm m}{\mathrm s^2}\right)(7.0\,\mathrm s)^2=\boxed{260\,\mathrm m}

8 0
3 years ago
translate this sentence into an equation. 54 is the product of Rita savings and 3. Use the variable r to represent Rita savings.
Sphinxa [80]
54 = 3r. ABC DEFGHIJKLNOPQRSTUVWXYZ
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3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Speed=Distance/Time

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4 0
3 years ago
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