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nata0808 [166]
3 years ago
8

How to solve 3x - y = -1 and -3x - y= 5

Mathematics
1 answer:
Naddik [55]3 years ago
3 0
Well you would multiply the X values together and the Y values together then do as the equation tells you. Hope this helps!!
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Look at this triangle work out length BC
Andreas93 [3]

Answer:

The length of BC is √105 cm or 10.2 cm.

Step-by-step explanation:

You have to apply Pythagoras Theorem, c² = a² + b² where c represents hypotenuse, a and b are the sides :

{c}^{2}  =  { a}^{2}  +  {b}^{2}

let \:a =BC \:, \:  b = 8 \: , \: c = 13

{13}^{2}  =  {BC}^{2}  +  {8}^{2}

169 =  {BC}^{2}  + 64

{BC}^{2}  = 169 - 64

{BC}^{2}  = 105

BC =  \sqrt{105}

BC = 10.2 \: cm \: (3s.f)

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3 years ago
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MatroZZZ [7]
I think you solved it on your own because x is 82
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4 years ago
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Aleksandr [31]

Answer:$9.00

Step-by-step explanation:

4 0
3 years ago
Find the GCF <br><br> <img src="https://tex.z-dn.net/?f=32xy-18%20x%5E%7B2%7D%20" id="TexFormula1" title="32xy-18 x^{2} " alt="3
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The GCF is the largest number that can go into both the terms. Since "y" isn't in both terms, it can't include y. x, however, is, so we know our GCF has x in it. What's the largest whole number that can go into 32 and 18? 2. Your GCF is <span>2x.
</span><span>
</span><span><em>Don't forget to rate this answer the Brainliest!</em>

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What is the square root of 25 ​
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the answer would be 5 because 5*5 or 5 squared (5^2) is equal to 25, hope this helps!

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