You have to divide 450 and 1800 in order to find the ratio of money spent out of the income on food, then multiply that decimal by 100 in order to convert into a plausible percentage; in this case, it is 25%.
Answer:
pqs and onl
Step-by-step explanation:
pqs onl
Answer:
No, the answer is (-3/7, -33/7)
Step-by-step explanation:
y=-3x-6 can be rewritten as y+3x=-6
so, our two equations are:
1. y+3x=-6
2. 3y+2x=-15
we can multiply the first equation by 3.
1-1.3y+9x=-18
Now we can subtract the second equation from equation 1-1.
3y+9x=-18
<u>-(3y+2x=-15)</u>
7x=-3
x=-3/7
Now that we have x, let's plug it into an equation. I will plug it into the first equation.
y=-3(-3/7) - 6
y=9/7 - 6
y=-33/7
so the points are (-3/7, -33/7)
Anderson could provide 0.5x2 + 4x + 8 = 0 has exactly one real root if the discriminant is 0,
<h3>What is quadratic equation?</h3>
Any equation that can be rewritten in standard form as where x represents an unknown, a, b, and c represent known numbers, and where a 0 is true is a quadratic equation. As there is no ax2 term when a = 0, the equation is linear rather than quadratic.
<h3>What is discriminant?</h3>
A polynomial's discriminant is a quantity that depends on the coefficients and enables for some root attributes to be inferred without actually computing them. It is actually a polynomial function of the original polynomial's coefficients.
<h3>According to the given information:</h3>
0.5x^2 + 4x + 8 = 0
The discriminant is computed utilizing:
d = b^2 - 4ac
Thus, we have:
d = 4^2 - 4 * 0.5 * 8
Evaluate
d = 0
The equation has only one real root since the discriminant is 0,
To know more about discriminant visit:
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Answer:
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