Answer:
315
Step-by-step explanation:
You plug 5 in for x
(5^2-4)3(5) = 315
93.2
= 93 + 0.2
= 93 + 2 /10
= 93 and 2/10
= 93 and 1/5
As mixed fraction = 93 and 2/10 or 93 and 1/5
Answer:
x=2, y=2
Step-by-step explanation:
3x + y = 8
2x + 4y = 12
Multiply the first equation by -4
-12x -4y = -32
Then add to the second equation
-12x -4y = -32
2x + 4y = 12
------------------------
-10x + 0y = -20
-10x = -20
Divide by -10
-10x/-10 = -20/-10
x =2
Now find y
3x+y = 8
3(2)+y = 8
6+y = 8
y = 8-6
y =2
Answer:
y = -2x + 2
Step-by-step explanation:
(-4-8)/(3-(-3)) = -12/6 = -2
-4 = -2(3) + b
-4 = -6 + b
b = 2
7.7278 g/ml is the most accurate density of the substance.
<h3>What is density?</h3>
It is define as the quantity per unit volume, unit area, or unit length.
i.e. the mass of a substance per unit volume.
Mathematically,
----- equation (1)
Where,
p is the density
m is the mass
v is the volume
According to the question,
Mass = 27.82 grams
Volume = 3.6 ml
By substituting the Value of m and v in equation 1.


Therefore,
The most accurate density of the substance in g/ml is 7.7277777 g/ml.
Learn more about density here:brainly.com/question/952755
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