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bearhunter [10]
3 years ago
8

What would the following equation look like in augmented matrix form? 2x+y=6 x-3y=-2

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
4 0
<span><span><span><span>2x</span>+y</span>+<span>−y</span></span>=<span>6+<span>−y</span></span></span><span><span>2x</span>=<span><span>−y</span>+6</span></span>Step 2: Divide both sides by 2.<span><span><span>2x</span>2</span>=<span><span><span>−y</span>+6</span>2</span></span><span>x=<span><span><span><span>−1</span>2</span>y</span>+3</span></span>Answer:<span> x=<span><span><span><span>−1</span>2</span>y</span>+3</span></span>


x-3=-2
x-3+3=-2+3
answer x=1

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38000000 times 460000000
jonny [76]

Answer:

1.748*10^16

Step-by-step explanation:

(3.8*10^7)(4.6*10^8)=1.748*10^16

3 0
3 years ago
a company uses two vans to transport workers from a free parking lot to the workplace between 7 and 9 a.m. One can has 14 more s
ale4655 [162]
Let the number of seats of the smaller van be "x".  Since it travels two times in the morning, it will be 2x.  The bigger van has 14 more seats than the small one, so it will be x + 14.  To find the value of x, the formula would be,

65 = 2x + x + 14
65 = 3x + 14
65 - 14 = 3x
51 = 3x
51/3 = x
17 = x

The value of x is 17.

Van A = 17 seats + 14 seats = 31 seats
Van B = 2 (17 seats) = 34 seats

Van A has 31 seats for 31 people for a single trip.
Van B has 17 seats, and since it has two trips, it can transport 34 people.


4 0
3 years ago
Is w^2-9w+81 a trinomial square
Yuri [45]
No because it would be
if you knew that
ax^2+bx+c was a trinomial square, then the factored form would be
( \sqrt{a}x+ \sqrt{c})^{2} or ( \sqrt{a}x- \sqrt{c})^{2}
so
if w^2-9w+81 is perfect square, factored form is either
( \sqrt{1}x+ \sqrt{81})^{2} or ( \sqrt{1}x- \sqrt{81})^{2}  aka ( x+9)^{2} or  ( x-9)^{2}
expand them
(x+9)^2=x^2+18x+81, wron middle term

(x-9)^2=x^2-18x+81 wrong

so it is not






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4 years ago
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Answer:

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3 years ago
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