Which of these numbers are irrational? A) 4.3 B) -5/9 C) 1.618 D) _/6

Answers

Answer 1

Answer:

Answer: Its C

Step-by-step explanation:

Well, this irrational, or never-ending, ratio starting with 1.618 has been given many names over the years including the “golden ratio” and the “divine proportion”.

0verall what im trying to say is, its c

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Evaluate for b:-5/6b = 30
How do I solve n^2-5n-14=0 by factoring

B The veterinarian weighs Anthony'sdog at a check up. The dog weighs 55
pounds. If 1 kilogram is approximately
2.2 pounds, which value best
represents the weight of Anthony's
dog in kilograms?

Answers

Answer:

25 kg.

Step-by-step explanation:

the dog is approximately 55 pounds and we know 1 kg is approximately 2.2 pounds. 55 divided by 2.2 is 25. the dog is approximately 25 kg.

Dr. Black is standing 13 feet from a streetlamp. The lamp is making his shadow 9 feet long. He estimates that the angle of elevation from the tip of his shadow to the top of the streetlamp is 50. To the nearest foot, the streetlamp is about _____.

Answers

Distance from tip of shadow to lamp post = 13 +9 feet = 22 ft Height of lamp post = x tan 50 = x /22 = 1.192 x = 22 * 1.192 =.26.2 ft. rounded = 26ft

Answer:

26 ft height

Step-by-step explanation:

The distance between the streetlamp and the tip of his shadow is 9 + 13 = 22 ft.

A rectangle triangle is formed in which one side is 22 ft long and the other side is the streetlamp height. The angle between the 22 ft side and the hypotenuse is 50°. From tangent definition:

tan(50°) = (streetlamp height)/(22 ft)

tan(50°) * (22 ft) = streetlamp height

26 ft = streetlamp height

Solve by graphing. x2 + 2x – 3 = 0

Answers

The graph of an equation is the set of all points that are solutions of the equation. Frequently, a relationship between two quantities can be expressed as an equation in two variables. For instance, we can write the equation of our problem as the following form:

$y=x^2+2x-3 \n \n Or: \n \n f(x)=x^2+2x-3$

So, by graphing $f(x)$ we want to know the x-intercepts. This graph is illustrated in the Figure below. As you can see, points in red are the solution to this problem that are the x-intercepts of our previously defined function $f(x)$ . These points are:

$(-3,0) \ and \ (1,0)$

The solutions of the given quadratic equation are x=-3 and x=1.

The given quadratic equation is x²+2x-3=0.

By using splitting middle term method, the given equation can be solved as follows:

Here, x²+3x-x-3=0

x(x+3)-1(x+3)=0

(x+3)(x-1)=0

x+3=0 and x-1=0

x=-3 and x=1

Therefore, the solutions of the given quadratic equation are x=-3 and x=1.

To learn more about the solution of quadratic equation visit:

brainly.com/question/18305483.

#SPJ6

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? Use the equation h = −16t2 + 64t + 4.

Answers

you need to find the roots of the function, h(t)

then h(t) = 0 = -16t^2 + 64t + 4

divide both sides by -4

4t^2 - 16 t - 1 = 0

use the quadratic function

$(-b+/- √(b^2-4ac) )/(2a)$

substitue a = 4, b = -16, c = -1

you will get t1 ≈ 0 and t2 ≈ 4

Answer: approx. 4 seconds.

Answer: 2 plus or minus the square root of 17 end root over 2

Pls, help Which of the following is true?|−6| < 5
|−6| < |5|
|−5| < |−6|
|−5| < −6

Answers

Answer:

Step-by-step explanation:

Its not A because The left side 6 is not less than the right side 5, which means that the given statement is false.

Its not B because The left side 6 is not less than the right side 5, which means that the given statement is false.

Its C because The left side 5 is less than the right side 6, which means that the given statement is always true.

Its not D because The left side is 5 is not less than the right side 6, which means that the given statement is false.

What is the value of Y of a triangle with
3y+13
5y-5
2y+2