3 years ago

Triangle ABC and DEF are similar what is the length of segment DF?

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

5 0

Answer:

Proportionate to whatever length the corresponding segment for the similar triangle.

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Find inverse function<br>f(x) = -3x + 9

SashulF [63]

Answer:

$f^{-1} (x) = \frac{-x}{3} +3$

Step-by-step explanation:

y = -3x + 9 ⇌ 3x = 9 - y ⇌ x = -y/3 + 9/3 ⇌ x = -y/3 + 3

7 0

3 years ago

Write a polynomial function that meets the given conditions. Answers may vary. Degree 2 polynomial with zeros of 2√ 13 and -2√13

MAVERICK [17]

Answer:

The polynomial function is $x^{2} - 52$

Step-by-step explanation:

A polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = (x - x_{1})*(x - x_{2})$ .

In this problem:

The roots are $x_{1} = 2\sqrt{13}$ and $x_{2} = -2\sqrt{13}$

Then

$(x - 2\sqrt{13}) \times (x - (-2\sqrt{13})) = (x - 2\sqrt{13}) \times (x + 2\sqrt{13}) = x^{2} - 2x\sqrt{13} + 2x\sqrt{13} -(2\sqrt{13})^{2} = x^{2} - 52$

The polynomial function is $x^{2} - 52$

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3 years ago

What is 420 centimeters to meter

Ronch [10]

Here is the best answerrrrr.

8 0

3 years ago

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When a survey was conducted among 100 students to find their favorite pizza topping, 45 students voted for pepperoni, 25 for mus

amm1812

Answer:

The central angle for the cheese sector would be 108 degrees.

Step-by-step explanation:

We know that a pi chart takes the form of a circle so the total angle measure is 360 degrees.

Now we want to find out what ratio of the pie chart that cheese takes up and apply it to the total degree measure.

30 of 100 students voted for cheese:

so the ratio would be 30/100 or 3/10

Now apply that to the total angle measure:

3/10*360 degrees= 108 degrees.

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3 years ago

Please help <br><br> 2x^2 = y^3 x=2, y=?

andriy [413]

y is also 2.

2x^2 = 8

2^3 = 8

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3 years ago

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