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Lemur [1.5K]
3 years ago
14

Does 21, 10, and 9 be the measures of the sides of a triangle

Mathematics
1 answer:
musickatia [10]3 years ago
8 0

Answer:

no

Step-by-step explanation:

The sum of the lengths of any two sides of a triangle is greater than the length of the third side.

9+10 > 21

19 >21

This is not true so it cannot make a triangle

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1•(-1)•1•(-1)-1<br> Please help!!
DochEvi [55]
Step by step, we have:
1 • (-1)= -1
Then -1 • 1 = -1 and -1 • (-1)= 1 =》 1 - 1 = 0
The answers is 0
8 0
2 years ago
Read 2 more answers
-5+(-3)+(-2)-5 can I please have some help
Lorico [155]

Add all the numbers because they are all negative

-8 + -2= -10

-10 +-5 =-15

-15

3 0
2 years ago
A chemist measures 8 grams of a substance that
Greeley [361]

Answer:

y(t) =8 (b)^t Where b is the decay rate for this case. Using the condition given we have:

4 = 8 b^6

\frac{1}{2}= b^6

b = (\frac{1}{2})^{1/6}

And our model would be given by:

y(t) = 8 (\frac{1}{2})^{t/6}

And replacing the value of t=15 we got:

y(15) = 8 (\frac{1}{2})^{15/6} = 1.414 grams

Step-by-step explanation:

For this case since the half life is 6 hours we have the following condition:

y(6) = \frac{1}{2}A_o

Where A_o=4 is the initial amount

Our model for this case is given by this expression:

y(t) =8 (b)^t Where b is the decay rate for this case. Using the condition given we have:

4 = 8 b^6

And solving for b we got:

\frac{1}{2}= b^6

And solving for b we got:

b = (\frac{1}{2})^{1/6}

And our model would be given by:

y(t) = 8 (\frac{1}{2})^{t/6}

And replacing the value of t=15 we got:

y(15) = 8 (\frac{1}{2})^{15/6} = 1.414 grams

5 0
2 years ago
"Consider the probability distribution of X, where X is the number of job applications completed by a college senior through the
Citrus2011 [14]

Answer:

Option b

Step-by-step explanation:

Given that the probability distribution of X, where X is the number of job applications completed by a college senior through the school’s career center.

 Expected observed Diff

x p(x) p(x)*1000  

   

0 0.002 2  

1 0.011 11 14 -3

2 0.115 115 15 100

3 0.123 123 130 -7

4 0.144 144  

5 0.189 189  

6 0.238 238  

7 0.178 178  

   

1 1000

We find that there is a large difference in 2 job application

Hence option b is right.  

4 0
2 years ago
The locus of points in a plane 1 unit from the point (0,0)
xeze [42]

Answer:

x² + y² = 1

Step-by-step explanation:

A circle is the locus of a point such that its distance from a fixed point (known as the origin) is always constant. The general equation of a circle is given as:

(x-h)^2+(y-k)^2=r^2

Where (h, k) is the center of the circle and r is the radius of the circle.

Given that the plane is 1 unit from the point (0,0). Therefore the radius of the circle is 1 unit and the center of the circle is (0, 0). Therefore the equation of the circle is:

(x-0)^2+(y-0)^2=1^2\\\\x^2+y^2=1

3 0
2 years ago
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