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3 years ago

Help please. Here is the attached problem

Mathematics

2 answers:

MissTica3 years ago

6 0

Answer:

Step-by-step explanation:

I hope this helps. Sorry if i'm wrong.

Tasya [4]3 years ago

3 0

Answer:

Step-by-step explanation:

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Solve x2 + 4x – 4 = 0

Damm [24]

Answer:

Quadratic Equations! Yes!

Step-by-step explanation:

Now, there are three methods to solving this:

1.Quadratic Formula

2.Factoring

3. Completing the square

Now, Based on the answers, I think it would be better if we used Quadratic Formula, as you cannot get the answer easily with factoring, and I'm a bit rusty on completing the square.

So, Quadratic Formula! To solve it using this method, we have to find x using this: $x=\frac{-b+-\sqrt{b^{2} -4ac} }{2a}$ (the +- before the square root means it could be both positive or negative)

Where a, b are coefficients and c is a term(in a quadratic equation form: $ax^{2} +bx+c=0$ )

So, we just have to input the stuff from our equation into the formula!

$x=\frac{-4+-\sqrt{32} }{2}$

Now, we can simplify the square root of 32 into 4 times the square root of 2

$x=\frac{-4+-4\sqrt{2} }{2}$

And, we can divide 2 from it all!

$x=-2+-2\sqrt{2}$

So, there you have it! The Answer is C, or 3.

Hope this helps!

4 0

3 years ago

A corporation must appoint a president, chief executive officer, chief operating officer and chief financial officer. It also ap

soldi70 [24.7K]

Answer:

a) 11,880

b) 495

c) 0.00202

Step-by-step explanation:

Given:

The complete question is as follows:

"A corporation must appoint a president, chief executive officer (CEO), chief operating officer (COO), and chief financial officer (CFO). It must also appoint a planning committee with four different members. There are 12

qualified candidates and officers can also serve on the committee.

Find:

a. How many different ways can the officers be appointed?

Solution:

- The total number of qualified candidates = 12

- The officers need to be appointed = 4 (President, Chief Executive Officer, Chief Operating Officer, Chief Financial officer)

- Here count does count so we use permutations:

- The number of different ways of appointing Officers = 12P4 = 11,880

b. How many different ways can the committee be appointed?

The total number of qualified candidates = 12

The total number of planning committee members = 4

Here order does not count as all the planning committee members:

The number of different ways of appointing Officers = 12C4 = 495

c. What is the probability of randomly selecting the committee members and getting the four youngest of the qualified candidates?

P ( 4 youngest officers ) = Selecting 4 youngest / Selecting a committee

= 1 / 495

= 0.00202

6 0

3 years ago

Draw the line passing through the point (3,-4) with a slope of 2/3

AleksAgata [21]

You just find the coordinate point. then, use your slope 2/3 (up 2, right 3) :)

EX: if your slope was negative, you’d do the same thing, but opposite -2/-3 (down 2, left 3)

hopefully this helps, good luck with math!! <3

(ps sorry if the drawing bothers you, but I wanted to show you as best as I could on how to solve your question :) )

5 0

3 years ago

What is the slope of the line represented by the data table?

djyliett [7]

A) Slope: (y2 - y1) / (x2 - x1)

You can use point (-1, -6) and (0, -8)

Slope = (-8 - -6) /(0 - -1) = (-8+6)/(0+1) = -2/1 = -2.

Slope = -2.

b) Point (0, -8) is the point such that x = 0, and y = -8, this point represents the vertical intercept of the equation. The point where the line cuts the y axis.

6 0

4 years ago

How much table top space do they have between the 2 tables

Delicious77 [7]

Answer:

Standard Seating: 42” between tables. This lets you seat two people back to back and leaves 6” between them.

Step-by-step explanation:

4 0

3 years ago