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rewona [7]
3 years ago
11

Explain whether the lengths 2 cm, 3 cm, and 7 cm could be the side lengths of a right triangle.

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0

Answer:

The sum of the two sides have to be greater than the last side.

Step-by-step explanation:

You can also use the Pythagorean Theorem to find that the side lengths cannot be part of the triangle.

Nutka1998 [239]3 years ago
3 0

Answer:

The sum of the length of any two sides must be greater than the length of the third side, so the given lengths do not form a right triangle.

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The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The
Bond [772]

Answer:

34% of lightbulb replacement requests numbering between 47 and 52

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 52

Standard deviation = 5

Between 47 and 52:

52 is the mean and 47 is one standard deviation below the mean.

By the Empirical Rule, 68% of the measures are within 1 standard deviation of the mean.

Since the normal distribution is symmetric, of those, 34% are within 1 standard deviation below the mean and the mean(47 and 52) and 34% are within the mean and one standard deviation above the mean(52 and 57).

So

34% of lightbulb replacement requests numbering between 47 and 52

3 0
3 years ago
In parallelogram ABCD, m∠BAD=70°. Identify m∠ADC.
VashaNatasha [74]

Answer:

The answer is B

Step-by-step explanation:

I could be wrong on this, I hope I'm not and I hope I helped!!

4 0
3 years ago
Read 2 more answers
8.<br> Find the arc length of a central angle of 7pi/3 in a circle whose radius is<br> 3inches
pashok25 [27]

\textit{arc's length}\\\\ s = r\theta ~~ \begin{cases} r=radius\\ \theta =\stackrel{radians}{angle}\\[-0.5em] \hrulefill\\ \theta =\frac{7\pi }{3}\\ r=3 \end{cases}\implies s=(3)(\frac{7\pi }{3})\implies s=7\pi \implies s\approx 21.99~in

4 0
2 years ago
Help please ughhhhhhhh
ahrayia [7]
=P*r*t
=500*4.5%*10
=225
p= 500
r= 4.5%
t= 10
3 0
3 years ago
Solve for A if F=MA and F=10 and M=2.5
gogolik [260]

Answer:

\boxed{\sf A = 4}

Given:

F = MA

F = 10

M = 2.5

To Find:

Value of A

Step-by-step explanation:

\sf Substituting \ values \ of \ F \ and \ M \ in \ F = MA:

\sf \implies 10 = 2.5A

\sf \implies 2.5A = 10

\sf Dividing \ both \ side \ of \  2.5A = 10 \ by \ 2.5:

\sf \implies \frac{2.5}{2.5} A  =  \frac{10}{2.5}

\sf \frac{2.5}{2.5}  = 1 :

\sf \implies  A  =  \frac{10}{2.5}

\sf \frac{4 \times  \cancel{2.5}}{ \cancel{2.5}}  = 4 :

\sf \implies A = 4

3 0
3 years ago
Read 2 more answers
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