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creativ13 [48]
3 years ago
12

Mr. Bernstein owns 11 paintings, but has only enough wall space in his home to display five of

Mathematics
1 answer:
kari74 [83]3 years ago
5 0

Answer:

2,184

Step-by-step explanation:

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Finish solving the system of equations –9.5x – 2.5y = –4.3 and 7x + 2.5y = 0.8 using the linear combination method
jek_recluse [69]
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x=1.4
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4 years ago
*HELP* *NEEDS IT ALSO TODAY RIGHT NOW*<br><br> Compare.
OverLord2011 [107]

it would be less because rt42 is closer to halfway between 6 and 7

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Factorise 3x square - 48x​
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3 years ago
What is the factored form of the expression?<br><br> d^2 = 36d + 324
Aleonysh [2.5K]

Answer:

(x-43.45)(x+7.45)=0.

Step-by-step explanation:

We have the quadratic equation d^{2}=36d+324 i.e. d^{2}-36d-324=0

Now, the roots of the quadratic equation ax^{2}+bx+c=0 are given by x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}

So, from the given equation, we have,

a = 1, b =-36 , c = -324.

Substituting the values in x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}, we get,

x=\frac{36\pm \sqrt{(-36)^{2}-4\times 1\times (-324)}}{2\times 1}

i.e. x=\frac{36\pm \sqrt{1296+1296}}{2}

i.e. x=\frac{36\pm \sqrt{2592}}{2}

i.e. x=\frac{36\pm 50.9}{2}

i.e. x=\frac{36+50.9}{2}  and i.e. x=\frac{36-50.9}{2}

i.e. x=\frac{86.9}{2}  and i.e. x=\frac{-14.9}{2}

i.e. x = 43.45 and x = -7.45

Hence, the factored form of the given expression will be (x-43.45)(x+7.45)=0.

4 0
3 years ago
(5+4-2)×(-2)=<br><img src="https://tex.z-dn.net/?f=%285%20%2B%204%20-%202%29%20%5Ctimes%20%28%20-%202%29" id="TexFormula1" title
Akimi4 [234]

(5+4-2)\cdot(-2)=7\cdot(-2)=\boxed{-14}

Hope this helps.

5 0
3 years ago
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