1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mashcka [7]
3 years ago
10

Help, please A: 2 B: -2 C: 1/2 D:-1/2

Mathematics
1 answer:
Anna [14]3 years ago
4 0

Answer:

\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \int\limits^a_b {x} \, dx \geq \sqrt{x} \left \{ {{y=2} \atop {x=2}} \right. \frac{x}{y} \alpha \alpha \alpha =\beta

Step-by-step explanation:

You might be interested in
I need help, please?
Drupady [299]

x is timed by .5 in the first one (A) which would make it the linear function.

6 0
3 years ago
Read 2 more answers
Simplify: 39w – 16x9
PtichkaEL [24]

Answer:

39w - 144

Step-by-step explanation:

<em>eZ thats y</em>

7 0
3 years ago
F(x)=2x(x+1) write in general form
arsen [322]
The general form of a quadratic expression is as follows
f(x) = a {x}^{2} + bx + c

Therefore, the given formula in general form would be:
f(x) = 2x(x + 1)
f(x) = 2x \times x + 2x \times 1
f(x) = 2 {x}^{2} + 2x
3 0
3 years ago
If (x + 2) is a factor of x3 – 19x – p, find the value of p. Help please​
Sergio039 [100]

If x-a is a factor of a polynomial P(x) then, a is its root.

So -2 is a root of x^3-19x-p

(-2)^3-19\cdot(-2)-p=0\\-8+38-p=0\\p=30

3 0
3 years ago
Which equation represents a parabola that has a focus of (0, 0) and a directrix of y = 4?
Ray Of Light [21]

Answer:

x2=−8(y−2)

Step-by-step explanation:

Parabola is a locus of a point which moves at the same distance from a fixed point called the focus and a given line called the directrix.

Let P(x,y) be the moving point on the parabola with  

focus at S(h,k)= S(0,0)  

& directrix at y= 4

Now,  

|PS| = √(x-h)2 + (y-k)2

|PS| = √(x-0)2 + (y-0)2

|PS| = √ x2 + y2

Let ‘d’ be the distance of the moving point P(x,y) to directrix y- 4=0

  •   d= |ax +by + c|/ √a2 + b2
  •   d= |y-4|/ √0 + 1
  •   d= |y-4| units.

equation of parabola is:  

  • |PS| = d
  • √ x2 + y2 = |y-4|

Squaring on both sides, we get:  

  • x2 + y2 = (y-4)2
  • x2 + y2 = y2 -8y + 16
  • x2 = - 8y + 16
  • x2 = -8 ( y - 2)  

This is the required equation of the parabola with focus at (0,0) and directrix at y= 4.

8 0
2 years ago
Read 2 more answers
Other questions:
  • The area of each circle
    9·1 answer
  • Help. Please. Thanks.
    14·1 answer
  • You’ve observed the following returns on Crash-n-Burn Computer’s stock over the past five years: 14 percent, –9 percent, 16 perc
    7·1 answer
  • If AB = 62, find the value of x. Show your work
    13·1 answer
  • The slope-intercept form of an equation y=mx+b. Which equation is correctly solved for the slope, m
    11·1 answer
  • N = 9
    14·1 answer
  • Tyler made a scale drawing of his apartment. The scale is 1 millimeter: 2 meters. The living room is 6 meters long in
    12·1 answer
  • Y = -(x – 4)^2+3<br> Standard form
    5·1 answer
  • Express 80 inches in standard notation using feet and inches.
    13·1 answer
  • What is the slope between (-1, 4) and (0, 0)
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!