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Butoxors [25]
2 years ago
7

Pls help me asap. will give brainlist

Mathematics
1 answer:
Mariulka [41]2 years ago
3 0

Answer:

Answer is 6.12

Step-by-step explanation:

pythagoras  Theorem according to

\sqrt{AB^{2}-BD^{2}} = \sqrt{AD}

NOW WE FOUND AD,

SO, \sqrt{AD^{2}+CD^{2} }} = \sqrt{AC^{2} } = 6.12 YOU WILL FOUND THE SOLUTION WHEN YOU ENTER THE Value

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jasenka [17]
72 hours is exactly 3 days...
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3 years ago
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Please solve completely I really need this answered
Harrizon [31]

Answer:

Ted is correct. Maggie made mistakes while trying to isolate x for both equations.

Step-by-step explanation:

For 3x-2=0, in order to move -2 to the left side, Maggie had to add 2 on both sides because -2+2=0. The same problem is seen for x+5=0. Maggie had to subtract 5 on both sides because +5-5=0

3 0
3 years ago
Madam Siti bought the same lengths of red and yellow ribbons. After she used 836 cm of the red ribbon, the length of the yellow
Yuliya22 [10]

Answer: 1045 cm of red ribbon and 1045 cm of yellow ribbon

<u>Step-by-step explanation:</u>

Let R represent the amount red ribbon and Y represent the amouont of yellow ribbon.

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  • after used 286 of red, yellow is 5 times the remaining red; 5(R - 836) = Y

Use substitution method to solve:

5(R - 836) = R

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4R - 4180 = 0   <em>subtracted R from both sides</em>

4R = 4180         <em>added 4180 to both sides</em>

R = 1045         <em>divided both sides by 4</em>


5 0
3 years ago
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Solve the system. <br> y= -2x + 1<br><br> y= 2x - 3
Neporo4naja [7]

Equation 1: y = -2x + 1

Equation 2: y = 2x - 3

Since both equations already have y isolated, we are able to simply set the right side of both equations equal to each other. Since we know that the value of y must be the same, we can do this.

-2x + 1 = 2x - 3

1 = 4x - 3

4 = 4x

x = 1

Then, we need to plug our value of x back into either of the original two equations and solve for y. I will be plugging x back into equation 2 above.

y = 2x - 3

y = 2(1) - 3

y = 2 - 3

y = -1

Hope this helps!! :)

5 0
3 years ago
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Math!!please help,its pretty easy.<br> 3*5-(1+10²)=
Ronch [10]

Answer:

-86

Step-by-step explanation:

3*5-(1+10^2)

15-(1+100)

15-101

-86

6 0
3 years ago
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