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Irina18 [472]
3 years ago
14

Best explained and CORRECT answer gets brainliest.

Mathematics
1 answer:
pochemuha3 years ago
4 0
The answer should be C,

To solve this question, we have to use the rule of triangle inequality. This means, lengths of the any 2 sides of a triangle added up, must be longer than the remaining side.

Therefore, we can try and see which one of the options fits the rule.

A.
35+25 > 10 ✔️
25 + 10 = 35❌
A cannot make a triangle.

B.
15 + 10 > 5 ✔️
10 + 5 = 15 ❌
B cannot make a triangle.

C.
35 + 45 > 55 ✔️
45 + 55 > 35 ✔️
35 + 55 > 45 ✔️
C can make a triangle.

D.
25 + 25 < 75 ❌
D cannot make a triangle.

Therefore, the answer should be C.
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Nicky won two races. One third of six is 2
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3 years ago
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What value of n makes this expression equal to 6?<br><br> 3n - (2 + n)
SVEN [57.7K]

Answer:

4

Step-by-step explanation:

3n-2-n=6

2n-2=6

2n=8

n=4

5 0
3 years ago
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The gas law for an ideal gas at absolute temperature T (in kelvins), pressure P (in atmospheres), and volume V (in liters) is PV
JulijaS [17]

Answer:

\frac{dT}{dt}=3.78^{\circ}K/min

Step-by-step explanation:

We have to calculate the time derivative of T=PV/nR with P and V variable and n and R constants. This is:

\frac{dT}{dt} =\frac{d\frac{PV}{nR}}{dt}=\frac{1}{nR}\frac{d(PV)}{dt}

What we have to do is the derivative of a product:

\frac{d(PV)}{dt}=P\frac{dV}{dt}+V\frac{dP}{dt}

Substituting, we have:

\frac{dT}{dt} =\frac{P\frac{dV}{dt}+V\frac{dP}{dt}}{nR}

where all these values are given since the time derivatives of P and V are their variation rate, using minutes.

We then substitute everything, noticing that already everything is in the same system of units so they cancel out:

\frac{dT}{dt}=\frac{P\frac{dV}{dt}+V\frac{dP}{dt}}{nR}=\frac{(8atm)(0.16L/min)+(13L)(0.14atm/min)}{(10mol)(0.0821Latm/mol^{\circ}K)}

And then just calculate:

\frac{dT}{dt}=3.78^{\circ}K/min

6 0
2 years ago
Find the slope of the line that passes through the pair of points.<br><br> (–5.5, 6.1), (–2.5, 3.1)
hjlf

Slope of the line is -1.

Step-by-step explanation:

Given points are,

(-5.5,6.1),(-2.5,3.1)

Here,

x_{1} = -5.5 ,\ \ \ x_{2}=-2.5\\y_{1} = 6.1,\ \ \ y_{2}=3.1

Slope = m = \frac{y_{2}-y_{1}}{x_{2}-x{1}}

Putting values;

m=\frac{3.1-6.1}{-2.5-(-5.5)}\\m=\frac{-3}{-2.5+5.5}\\m=\frac{-3}{3}\\m=-1

Slope of the line is -1.

Keywords: Slope, line

Learn more about slopes at:

  • brainly.com/question/2977815
  • brainly.com/question/3071107

#LearnwithBrainly

7 0
2 years ago
What am I supposed to do?
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its a virus dont  fall for it

Step-by-step explanation:

6 0
2 years ago
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