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Furkat [3]
3 years ago
14

Find the length of side a a A. 12 B. 144 C. 1 194 D. 8​

Mathematics
2 answers:
lukranit [14]3 years ago
7 0

Answer:

12

Step-by-step explanation:

KonstantinChe [14]3 years ago
6 0

Answer:

A) 12

Step-by-step explanation:

We are gonna use the the formula for the Pythagorean Theorem

a^2 + b^2 = c^2

so that will be 5^2 + b^2 = 13^2

so now that we have the equation we just solve it

5^2 + b^2 = 13^2

25 + b^2 = 169

b^2 = 144

b = 12

Check:

5^2 + 12^2 = 13^2

25 + 144 = 169

so the answer is A) 12

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−9x+4y=6 9x+5y=−33 ​
blsea [12.9K]

Answer:

{x,y} = {-2,-3}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    -9x + 4y = 6

  [2]    9x + 5y = -33

Graphic Representation of the Equations :

   4y - 9x = 6        5y + 9x = -33  

Solve by Substitution :

// Solve equation [2] for the variable  y  

 

 [2]    5y = -9x - 33

 [2]    y = -9x/5 - 33/5

// Plug this in for variable  y  in equation [1]

  [1]    -9x + 4•(-9x/5-33/5) = 6

  [1]    -81x/5 = 162/5

  [1]    -81x = 162

// Solve equation [1] for the variable  x  

  [1]    81x = - 162  

  [1]    x = - 2  

// By now we know this much :

   x = -2

   y = -9x/5-33/5

// Use the  x  value to solve for  y  

   y = -(9/5)(-2)-33/5 = -3

3 0
3 years ago
A relative asked her aunt that lives in a certain part of the US to send her some money for food expenses in Canada. Her aunt se
scZoUnD [109]

Answer:

$6250

Step-by-step explanation:

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8 0
3 years ago
I NEED THIS BADLY <br> WILL MARK BRAINLYIST
stiks02 [169]
What’s the question?
5 0
3 years ago
5 divided by 3 1/3 I forgot how to do it and just redoing it
3241004551 [841]

Answer:

3/2

Step-by-step explanation:

   Write out the following:

               5              1                      

           ----------- = --------- = 3/2

             5 1/3          2/3                      

7 0
3 years ago
Read 2 more answers
If a polyhedron has 5 faces and 7 vertices, then it must have how many edges? Please show step-by-step work
Juli2301 [7.4K]

Answer:

10 edges

Step-by-step explanation:

we know that

The Euler's formula state that: In a polyhedron, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

V - E + F = 2

in this problem  we have

V=7\\E=?\\F=5

substitute the given values

7 - E + 5 = 2

solve for E

Combine like terms in the left side

12 - E = 2

subtract 12 both sides

- E = -10

Multiply by -1 both sides

E =10

8 0
3 years ago
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