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Archy [21]
3 years ago
8

Bryan placed bricks in a row to make a boarder that was 16.9 feet long. Each brick is 1.3 feet long. How many bricks are in the

border?
A. 13
B. 12
C. 1.3
D. 1.2
Mathematics
2 answers:
soldi70 [24.7K]3 years ago
5 0
The answer is A.13 don't include the decimal
love history [14]3 years ago
3 0
The answer to your question is A. 13
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Which of the following is true of the discriminant for the graph below?
Sonbull [250]

Answer:

<u>Option C. It is zero</u>

Step-by-step explanation:

The graph represents a quadratic equation

The quadratic equation has the form ⇒a x² + b x + c

The discriminant of the quadratic equation is D = b² - 4ac

From the discriminant of the quadratic equation, we can know the type of roots of the quadratic equation.

  1. If D > 0 ⇒ Two real roots.
  2. If D = 0 ⇒ one real roots
  3. If D < 0 ⇒ Two imaginary roots.

The roots of the quadratic equation are the x-intercepts of the function.

As shown at the figure, the quadratic equation has only one point of intersection with the x-axis

So, the function has only one root ⇒ D = 0

So, the discriminant of the quadratic equation = 0

<u>The answer is option C. It is zero</u>

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Find the inverse f^-1(x) if f(x)=x+2
stiks02 [169]

Answer:

f^-1(x) = x - 2

Step-by-step explanation:

To find the inverse of a function in terms of x and y, you would sway x and y in the function. We can rewrite f(x) = x + 2 as y = x + 2, since f(x) is basically y in a function. The inverse of y = x + 2 would be x = y + 2. Now, solve for y.

x = y + 2

-2 both sides.

x - 2 = y

y = x - 2

The inverse of y = x + 2 would be y = x - 2, so the inverse of f(x) = x + 2 would be f^-1(x) = x - 2 (f^-1(x) means the inverse of f(x)).

f^-1(x) = x - 2

I hope you find this helpful. :)

3 0
3 years ago
Write a how many units in 1 group word Problem for 4 divided by 2/3
Nastasia [14]

       

\displaystyle\bf\\4:\frac{2}{3}=4\times\frac{3}{2}=\frac{4\times3}{2}=2\times3=6



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64 rooted is D. 8

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