Mathematics: In a certain triangle x,y,z represents side lengths if x=7 and z=5 what must be true about y

In a certain triangle x,y,z represents side lengths

Ответ:

damienwoodlin6

11.02.2022

Mathematics

2 < y < 12

Step-by-step explanation:

Given

x = 7

z = 5

Required

What must be true about y?

To answer this, we first calculate the range as follows;

Minimum = |x - z|

and

Maximum = |x + z|

For Minimum, we have:

Minimum = |7 - 5|

Minimum = |2|

Minimum = 2

For Maximum, we have:

Maximum = |7 + 5|

Maximum = |12|

Maximum = 12

The values of y are then bounded by the following:

Minimum < y < Maximum

This gives

2 < y < 12

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Ответ:

SmartScholar4094

24.05.2020

Mathematics

The formula for exponential decay is P_1=P_0*e^-kt. If the half-life is 5730 years, then:
.5=e^-5730k
ln .5=ln e^-5730k=-5730k ln e= -5730k
k=.00012096809
0.125=e^.00012096809t
ln 0.125=ln e^.00012096809t=.00012096809t ln e=-0.00012096809t
t=17,190 years

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In a certain triangle x,y,z represents side lengths if x=7 and z=5 what must be true about y

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