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2 years ago

Which choice answer is it

Mathematics

1 answer:

vodomira [7]2 years ago

5 0

Answer:

Step-by-step explanation:

Since you cannot have negative or fractional people, it would not make sense to have either negative or non-integer numbers in your domain. Hope this helps!

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I need help ASAP!

Readme [11.4K]

Answer:

i) Equation can have exactly 2 zeroes.

ii) Both the zeroes will be real and distinctive.

Step-by-step explanation:

$x^{2} - 7x + 3$ is the given equation.

It is of the form of quadratic equation $a^{2} + bx + c$ and highest degree of the polynomial is 2.

Now, FUNDAMENTAL THEOREM OF ALGEBRA

If P(x) is a polynomial of degree n ≥ 1, then P(x) = 0 has exactly n roots, including multiple and complex roots.

So, the equation can have exact 2 zeroes (roots).

Also, find discriminant D = $b^{2} - 4ac = (-7)^{2} - 4(1)(3) = 49 - 12 = 37$

⇒ D = 37

Here, since D > 0, So both the roots will be real and distinctive.

7 0

2 years ago

Need help with this one Solve for x. 2x2=50

ruslelena [56]

do you mean 2x squared? If so, x = 5, -5

8 0

3 years ago

The function f(x) = 1.50x – 30 gives the amount of money Amelia has to spend each week for x school lunches, after taking money

Naya [18.7K]

To find the inverse, switch the x and y, and then solve for y (f(x) is the same as y)

So we get:
x=1.50y-30 (add 30 to both sides)
x+30=1.50y (divide both sides by 1.5)
x/1.5+30/1.5=y
y=x/1.5+20

Hope this helps

7 0

2 years ago

X f(x) 2 18 3 27 4 36 5 45

Ad libitum [116K]

Answer:

$f(x) = 9x$

Step-by-step explanation:

18=9×2

27=3*9

36=4*9

45=5*9

5 0

1 year ago

Students of Jesus and Mary were divided into 6 teams for a football game. if the school comprises of 3,900 students,how many stu

gtnhenbr [62]

Answer:

49 students/7 teams= 7 students per team

49/7=7

i hope this work for you

and sory if im wrang

3 0

1 year ago