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saw5 [17]
3 years ago
6

Find the length of side a. Hurry please no trolling.

Mathematics
2 answers:
irga5000 [103]3 years ago
8 0

Answer:

A. 5

Step-by-step explanation:

use pythagorean theorem: a^2 + b^2 = c^2

but since we are finding the value of A; we'll use a= (square root) c^2 - b^2

A= 13^2- 12^2

A= 169 - 144

A= 25

A= 5 ( because we square root 25)

Mama L [17]3 years ago
4 0

Answer:

I believe it is 5 I'm not sure if it is right

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Old McDonald has some chickens and some cows. He counted 56 heads and 116 legs. How many chickens and how many cows does old McD
Elza [17]

Answer: old McDonald has 54 chickens and 2 cows.

Step-by-step explanation:

Let x represent the number of chickens that old McDonald have.

Let y represent the number of cows that old McDonald have.

He counted 56 heads. A chicken and a cow has one head each. It means that

x + y = 56

He counted 116 legs. A chicken has 2 legs and a cow has 4 legs. It means that

2x + 4y = 116 - - - - - - - - -1

Substituting x = 56 - y into equation 1, it becomes

2(56 - y) + 4y = 116

112 - 2y + 4y = 116

- 2y + 4y = 116 - 112

2y = 4

y = 4/2 = 2

x = 56 - y = 56 - 2

x = 54

6 0
3 years ago
Anyone know how to do this
DanielleElmas [232]

Answer:

-(x-4)x(3X-5)

Step-by-step explanation:

7 0
3 years ago
Add a meeting six people each one another by shaking hands. If each person must shake hands once with every other person in the
Phantasy [73]

The number of handshakes is the number of ways 6 objects can be selected 2 at a time.

.. C(6,2) = 6·5/(2·1) = 15


The appropriate choice is

... C) 15


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Consider that each person can shake hands with 5 others. That's a total of 6*5 = 30 handshakes, but it counts both A shaking with B and B shaking with A. If each pair of persons only shakes hands once, the number of handshakes is 30/2 = 15.

8 0
3 years ago
Solve the exponential equation: 4x – 2 = 2x
Tems11 [23]

Answer:

x=1

Step-by-step explanation:

6 0
3 years ago
The set of all whole numbers not greater than 5
k0ka [10]

Answer:

-5, -4 , -3 , -2, -1, 1, 2 , 3, 4, 5

Step-by-step explanation:

6 0
3 years ago
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