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3 years ago

If the measure of ZYZX is 25°, what is the measure of ZXYZ? USATESTPREP

Mathematics

1 answer:

antoniya [11.8K]3 years ago

6 0

Answer:

130 degrees

Step-by-step explanation:

use protractor and measured angles. Hope i helped you.

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A triangle has two sides that are 8cm and 13cm. What could be the length of the triangles third side

Nikitich [7]

Answer:

5 < x < 21

Step-by-step explanation:

The sum of the shorter sides is greater than the longest side.

If 13 is the longest side:

x + 8 > 13

x > 5

If x is the longest side:

8 + 13 > x

21 > x

Therefore, the third side is any number between 5 and 21.

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4 years ago

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Step-by-step explanation:

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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

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

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3 years ago

Al’s pet store had 14 small lizards and some large lizards. After selling 2 lizards, there were 30 in the store. How many large

Vlad1618 [11]

Answer:

Total no of lizard=lizard sold+ lizard remaining

30 +2

Total -small

Large lizards =32-14

=18

Step-by-step explanation:

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3 years ago