Answer:
13 is your answer
Step-by-step explanation:
x - 8.1 = 5.3
+8.1 +8.1 Add 8.1 to both sides
x = 13.4
Which if you want the whole number i'd be 13, Because if your rounding the 3, 4 won't bump the 3 up any because 4 isn't greater than 5.
Hope my answer has helped you!
Normally, we could add exponents.
however, that only is possible when the bases are the same
recall what exponents mean
12³=12*12*12
so we cannot add exponents for 12³*11³ because that means 12*12*12*11*11*11
it would not equal 12⁶ or 11⁶
or you could refer to the rule

notice when x=x then we can add the bases
fun fact below
we can reverse a previous exponential rule like this
since

then

therefor

we can't add the exponents because the bases are not the same
First collect like terms for x^2:
x^2 + 3x^2 = 5x^2
Then collect like terms for x:
-2x + 5x = 3x
Collect like terms for normal numbers:
7 + - 3 = 4
Put them altogether:
5x^2 + 3x + 4
Y = mx + b
where m is the gradient (slope)
-4y = 11 - 8x
4y = 8x - 11
y = 2x - 11/4
m = 2
The correct answer is A.
<span> y-4=-8(x-1) is linear
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</span><span>y=x4 is non linear, it is a parabola or a curved line
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</span><span>y-x2=4.5 is non linear as it is curved
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</span><span>3x + 5y = 15 is linear</span>