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S_A_V [24]
3 years ago
5

Factor

y^{2}" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
irinina [24]3 years ago
8 0
Sorry for the hand writing. But you want to factor out a 4y^2 which will result in (9y^2-1). Then you will factor out the equation in parentheses to (3y-1)(3y+1). Don’t forget to put the 4y^2 out front!

Nostrana [21]3 years ago
7 0

Answer:

4(3x^2-y) (3x^2+y)

Step-by-step explanation:

See image below:)

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Two pools are being filled with water. To start, the first pool contains 2200
Lynna [10]

2200 + 21.25X = 1840 +32.50X

subtract 1840 from each side

360+ 21.25X= 32.50X

subtract 21.25x from each side

360=11.25X

x= 360/11.25 = 32 minutes pool will have the same amount

 

21.25*32 = 680+2200 = 2880 liters

32.5*32 = 1040 + 1840=2880 liters

 

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5 0
3 years ago
I know the answer just need the step-by step work
Anna71 [15]

Answer:

  x^2 +18x +80

= x^2 + 10x + 8x +80

= x(x+10) + 8(x+10)

= (x+10)(x+8)

Hope this help!

Good luck!

6 0
2 years ago
A hardware dealer has 168kg of nails, if one nail weighs 0.25kg, how many nails he have?​
snow_tiger [21]

Answer:

He has 672 nails

Step-by-step explanation:

168/.25

7 0
2 years ago
Read 2 more answers
Estimate <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B80%7D%20" id="TexFormula1" title=" \sqrt{80} " alt=" \sqrt{80} " ali
Tamiku [17]

Answer:

8.9

Step-by-step explanation:

Convert  √ 80  to a decimal.

8.9442719

Find the number in the tenth place  9  and look one place to the right for the rounding digit  4 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 .

8 0
3 years ago
Please answer this question.
kobusy [5.1K]

Answer:

its i think the first one and the last one

Step-by-step explanation:

sorry if its wrong but i think it is right

5 0
2 years ago
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