Answer
it is 0
Step-by-step explanation: you have to add 6 yto negative six so it is zero
I’m going to assume the periods represent multiplication signs.
-7x9x-1= 63
-3x-5x-3= -45
4x8x-2= -64
hope this helps!
Answer:
$0.70 per letter, $1.50 flat fee
Step-by-step explanation:
x+18y=14.1 -> x=-18y+14.1
x+35y=26
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(-18y+14.1)+35y=26 -> 17y=11.9 -> y=0.7
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x+35(0.7)=26 -> x+24.5=26 -> x=1.5
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y=0.7
x=1.5
Hope this helps. :)
Answer:
<h2>c = 9</h2>
Step-by-step explanation:
![(a+b)^2=a^2+2ab+b^2\\\\\text{We have}\ x^2+6x+c=x^2+2(x)(3)+c\\\\\text{Therefore}\ c=3^2=9\\\\x^2+2(x)(3)+3^2=(x+3)^2](https://tex.z-dn.net/?f=%28a%2Bb%29%5E2%3Da%5E2%2B2ab%2Bb%5E2%5C%5C%5C%5C%5Ctext%7BWe%20have%7D%5C%20x%5E2%2B6x%2Bc%3Dx%5E2%2B2%28x%29%283%29%2Bc%5C%5C%5C%5C%5Ctext%7BTherefore%7D%5C%20c%3D3%5E2%3D9%5C%5C%5C%5Cx%5E2%2B2%28x%29%283%29%2B3%5E2%3D%28x%2B3%29%5E2)
Answer:
43.96
Step-by-step explanation:
I used the formula SA= 3.14(2)5+3.15(5^2)