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RoseWind [281]
4 years ago
5

Math 1 pic attached

Mathematics
1 answer:
Goshia [24]4 years ago
4 0

Answer:

D.

Step-by-step explanation:

(f - g) (x) ➡ f(x) - g(x)

5x - 2 - 2x - 1 = 3x - 3

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The formula for the perimeter of rectangle is P=2L+2w, where L is the lenght and W is the width. A rectangle has a perimeter of
shepuryov [24]
P=2L+2W
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24=2x(3+w)+2w
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4 and 1/2 = 2
3 0
3 years ago
Como se multiplican polinomios
seraphim [82]
I hope you speak english, because although i understood your question I don't know enough spanish to respond in it. You multiply polynomials by multiplying each part of one polynomial by all the other parts of the others, and then adding it all. For example: (ax+b) * (x+c) = (ax*x)+(ax*c)+(b*x)+(b*c) = a x^{2}  + acx + bx+bc

Comprehende? 
7 0
3 years ago
Rae planted a square garden that covers an area of 200 ft.² how many feet of fencing does he need to surround the garden
inessss [21]
To find this, first we have to find the square root of 200, which is about 14.14

Now we multiply 14.14 * 4 = 56.56

So Rae will need about 56.56 feet of fencing to surround the garden.
5 0
3 years ago
What is the perimeter of a square with a dimensions of (3x^2 +1)<br><br>Please help I need it ASAP.​
chubhunter [2.5K]

Answer:

12x^2+4

Step-by-step explanation:

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3 0
3 years ago
Consider the quadratic function f(x)=−x^2+x+30
yaroslaw [1]

Answer:

The smallest xx-intercept is x = -5

The largest xx-intercept is x = 6

The yy-intercept is y = 30.

Step-by-step explanation:

Given a quadratic function in the following format:

f(x) = ax^{2} + bx + c = 0, a \neq 0

The x-values of the x-intercepts are x_{1}, x_{2}, given by the following formulas.

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

We have that:

f(x) = -x^{2} + x + 30

This is not in the format above. I will multiply by (-1), so we have:

f(x) = x^{2} - x - 30

So, a = 1, b = -1, c = -30

\bigtriangleup = b^{2} - 4ac = (-1)^{2} - 4*(1)*(-30) = 1 + 120 = 121

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a} = \frac{-(-1) + \sqrt{121}}{2(1)} = \frac{12}{2} = 6

x_{2} = \frac{-b + \sqrt{\bigtriangleup}}{2*a} = \frac{-(-1) - \sqrt{121}}{2(1)} = \frac{-10}{2} = -5

This means that

The smallest xx-intercept is x = -5

The largest xx-intercept is x = 6

The y-intercept is the value of f(x) when x = 0. So

f(x)=−x^{2}+x+30

f(0) = 30

The yy-intercept is y = 30.

5 0
3 years ago
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