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Alexeev081 [22]
4 years ago
9

Solve the equation 2w)^2 = -14w

Mathematics
1 answer:
mestny [16]4 years ago
4 0
(2w)^2=-14w
4w^2+14w=0
w=0 or -3.5
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The graph of a function f(x) passes through the following points:
Alex

The function is f(x) = -2x² + 2 if the function f(x) passes through the following points:(0,2), (1, 0), (-1,0)

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have:

The graph of a function f(x) passes through the following points: (0,2), (1, 0), (-1,0)

Let

f(x) = ax² + bx + c

Plug x = 0, and y = 2

c = 2 ...(1)

Plug x = 1 and y = 0

a + b + c = 0 ..(2)

Plug x = -1 and y = 0

a - b + c = 0  ...(3)

After solving (1), (2), and (3)

a = -2

b = 0

c = 2

f(x) = -2x² + 2

Thus, the function is f(x) = -2x² + 2 if the function f(x) passes through the following points:(0,2), (1, 0), (-1,0)

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

5 0
2 years ago
The volume v of a pyramid with a square base with side length s and height h is upper v equals one third s squared hv= 1 3s2h. s
zheka24 [161]

In this question,it is given that,

The volume v of a pyramid with a square base with side length s and height h is

V = \frac{1}{3} s^2 h

And we have to solve for s.

First we will get rid of 3 by multiplying both sides by 3, that is

3V = s^2h&#10;\\&#10;s^2 = \frac{3V}{h}&#10;\\ s = \sqrt{ \frac{3V}{h}}

And in the next part it is given that , volume is 7700 cubic meters and height is 148 meters .

Substituting these values, we will get

s = \sqrt{ \frac{3V}{h}}&#10;\\&#10;s = \sqrt{ \frac{3*7700}{148}} = 12.5 meters

3 0
4 years ago
What is the solution (x,y) to the system of equations given? 2 x + 4 y = − 16 2x+4y=−16 2 y − x = = 16 2y−x==16
alisha [4.7K]

Answer:

(-12,2)

Step-by-step explanation:

2x + 4y = -16

2y - x = 16

Multiply the bottom part by 2.

2x + 4y = -16

4y - 2x = 32

Add the equations and the answers to the equations up, and they will equal each other.

(2x + 4y) + (4y - 2x) = -16 + 32

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y = 2

Plug y = 2 to the 2nd equation.

2*2 - x = 16

4 - x = 16

Subtract 4 from both sides.

-x = 12

Multiply both sides by -1.

x = -12

3 0
4 years ago
Which linear inequality is represented by the graph?
omeli [17]

Answer:

Second answer is the correct answer

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3 years ago
Algebra 1 Prerequisites
frozen [14]
No solution

explanation:
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3 years ago
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