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pickupchik [31]
3 years ago
6

Please help quick! i’ll mark brainlist

Mathematics
1 answer:
iVinArrow [24]3 years ago
8 0

Im copying and pasting this for more recognition

This is by debmc7. Not mine

Area = length x width

It tells us the length is 4 meters more than its width, so length = w + 4. We can substitute that equivalent information and the area we were given into the equation:

60 = (w+4) x w

60 = w^2 + 4w

w^2 + 4w - 60 = 0

Then solve using the quadratic formula, which I can't remember...but I'm hoping you can.

The dimensions are 6 meters by 10 meters.

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-1(x+5)=3[x+(2x-1)]<br> solved and justified each step
madreJ [45]

Answer:

<h2>x = -0.2</h2>

Step-by-step explanation:

-1(x+5)=3[x+2x-1)]\\\\\text{for}\ -1(x+5):\ \text{distribtutive property}\\\text{for}\ [x+(2x-1)]:\ \text{associative property}\\\\(-1)(x)+(-1)(5)=3[(x+2x)-1]\\-x-5=3(3x-1)\\\\\text{for}\ 3(3x-1):\ \text{distributive property}\\\\-x-5=(3)(3x)+(3)(-1)\\-x-5=9x-3\\\\\text{for the equation}:\ \text{addition property of equality}\\\\-x-5=9x-3\qquad\text{add 5 to both sides}\\-x-5+5=9x-3+5\\-x=9x+2\\\\\text{for the equation:}\ \text{subtraction property of equality}\\\\-x=9x+2\qquad\text{subtract}\ 9x\ \text{from both sides}

-x-9x=9x-9x+2\\-10x=2\\\\\text{for the equation:}\ \text{division property of equality}\\\\-10x=2\qquad\text{divide both sides by -10}\\\dfrac{-10x}{-10}=\dfrac{2}{-10}\\x=-0.2

\text{Distributive property:}\ a(b+c)=ab+ac\\\text{Associative property:}\ (a+b)+c=a+(b+c)

6 0
3 years ago
The cost of a jacket increased from $85.00 to $94.35. What is the percentage increase of the cost of the jacket?
Serggg [28]
It's an 11% increase. To find this,  you have to subtract 85 from 94.35 and then you divide that difference by the original amount. In this case it's 85. After that, you get .11. Then you just turn it into a percent.
8 0
3 years ago
Express 0.55% a precent​
cupoosta [38]
0.55%*100 = 55% is the answer
4 0
3 years ago
How many times does 50 go into 4000
iVinArrow [24]
Well, if you just divide 4000 by 50, you can see that the answer will come out as:
<em><u>80
</u></em>
~TO check: 80 multiplied by 50 would come out to the answer of 4,000.
<em>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</em><em><u>
</u>Hope this helped! :D</em>
8 0
3 years ago
Read 2 more answers
Round 290951.867863 to the nearest hundred.
andreev551 [17]

Answer: 290951.87

Step-by-step explanation:

Hope this helps :D

5 0
2 years ago
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