All categories

3 years ago

1 Kembangkan setiap yang berikut. (a) 3x(2 - xy) (b) (4p + 9(-2)

Mathematics

1 answer:

Goryan [66]3 years ago

5 0

Answer:

6x*2-3x*2y

4p-18

Step-by-step explanation:

You might be interested in

Let g(x)=9x−10 and evaluate g(x+h)−g(x)/h

castortr0y [4]

Answer:

$\frac{g(x+h)-g(x)}{h}=9$

Step-by-step explanation:

we have

$g(x)=9x-10$

To find out g(x+h) substitute the variable x by the variable (x+h) in the function g(x)

$g(x+h)=9(x+h)-10$

$g(x+h)=9x+9h-10$

Evaluate

$\frac{g(x+h)-g(x)}{h}$

we have

$g(x+h)=9x+9h-10$

$g(x)=9x-10$

substitute in the expression

$\frac{9x+9h-10-(9x-10)}{h}$

$\frac{9x+9h-10-9x+10)}{h}$

$\frac{9h}{h}$

$9$

therefore

$\frac{g(x+h)-g(x)}{h}=9$

3 0

3 years ago

Isabella is writing her resume. She doesn’t have much work experience. She thinks she should leave an empty section on her resum

Karolina [17]

Answer:

No. It is not a good idea. She should write things she is good at or has done in the past. Leaving it blank will help not Isabella.

8 0

3 years ago

Read 2 more answers

Find x. Assume that any segment that appears to be tangent is tangent.

Mamont248 [21]

The value of x is 21.

To find this one, we need to know the formula with intersecting lines outside of the circle.

It is that if you subtract the smaller arc from the larger arc and divide by 2, you will have the exterior angle.

Therefore, we can write and solve the following equation:

(5x - 63) / 2 =x
5x - 63 = 2x
3x = 63
x = 21

6 0

4 years ago

Are alternate interior angles supplementary?

Naily [24]

Answer:

No.

Step-by-step explanation:

Alternate interior angles are congruent.

_____

More about such angles

Alternate exterior angles are congruent.

Same-side interior angles are supplementary.

Same-side exterior angles are supplementary.

Linear angles are supplementary.

8 0

4 years ago

What is the equation of the parabola, in vertex form, with focus at (1, -4) and directrix x= 3?

Nezavi [6.7K]

Answer:

D. (y +4)² = -4(x -2)

Step-by-step explanation:

The directrix is a vertical line, and the focus is to the left of it. The parabola will open to the left.

The vertex is halfway between the focus and directrix, so is located on the same horizontal line as the focus, at ...

x = (1 +3)/2 = 2

The focus to vertex distance is the difference in x-coordinates: 1 -2 = -1. This is the value of p in the form ...

(y -k)² = 4p(x -h) . . . . . . . parabola with vertex (h, k)

The equation is ...

(y +4)² = -4(x -2)

_____

Additional comment

Once you determine that the directrix is a vertical line, you know the equation will have a y² term. The only answer choice that has that is D.

5 0

3 years ago