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MatroZZZ [7]
3 years ago
6

Find the length of the the missing triangle side

Mathematics
2 answers:
nalin [4]3 years ago
8 0

<em>So</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>5</em><em>.</em>

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

<em>H</em><em>ope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em>

Lunna [17]3 years ago
5 0

Answer:

B. 5

Step-by-step explanation:

Formula: a^2 + b^2 = c^2

Solution: a is the missing side or x

b is 12 cm

c is 13 cm

x^2 + 12^2 = 13^2

x^2 + 144 = 169

  • You need to transpose 144 to the right side so that it will become :

x^2 = 169 - 144

x^2 = 25

  • Now you have to discard the square root by using the square root property, it will become:

x = 5

Now the final answer is x = 5

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3x+y=4 <br> x+2y=-2<br> what is the answer
Taya2010 [7]

Answer:

2(3x+y=4)

1(x+2y=-2)

6x+2y=8

<u>(-) x+2y=-2</u>

<u>5x=10</u>

5

x=2

x+2y=-1

2+2y=-1

<u>-</u><u>2</u><u> -</u><u>2</u>

<u>2y=-</u><u>3</u>

2

y=-3/2

Step-by-step explanation:

  1. multiply the first equation by 2 to make y equal to each other.
  2. subtract to eliminate y
  3. divide by 5 to get x
  4. take one of the equations
  5. replace x by 2 to solve for y
3 0
3 years ago
Please explain to me how to answer this question
Elena L [17]
She is wrong. The way we know this is by this. If you are going 70 mph for 30 miles than you have to spilt the mph sign in half so 35 miles in 30 minutes.The you subtract 4 from each getting 31 miles in 26 minuets. Therefore Lethna is wrong.
4 0
3 years ago
Need an answer for the question
inysia [295]

Answer:

x = 8/13

Step-by-step explanation:

6 - 3x - 3/5(15x + 20) = 7(2x/7 - 2) - x

6 - 3x - 9x - 12 = 2x - 14 - x

6 - 12 + 14 = 2x - x + 3x + 9x

8 = 13x

x = 8/13

4 0
2 years ago
HELP ME PLEASEEEE!!!!!!!
brilliants [131]

Answer: Pattern B

Step-by-step explanation: A quadratic relationship involves x squared. Pattern B has the relationship x squared + 1 between the step number and the number of dots

4 0
2 years ago
The measure of angle A in ABC is twice the measure of angle B and the measure of angle C is 20° less than the measure
diamong [38]

Answer:

m∡A = 100°

m∡B = 50°

m∡C = 30°

Step-by-step explanation:

let 'x' = m∡B;  50°

let '2x' = m∡A;   100°

let 'x-20' = m∡C;   30°

x + 2x + x - 20 = 180

4x - 20 = 180

4x = 200

x = 50

7 0
2 years ago
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