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Gnesinka [82]
3 years ago
5

Need help plzzzz!!!‼️‼️‼️

Mathematics
1 answer:
Tems11 [23]3 years ago
6 0

Answer:

13.13

Step-by-step explanation:

A=bh

A=2.5 in. x  5.25 in.

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If c(x) = 4x – 2 and d(x) = x^2+ 5x, what is (c circle d) (x)?
Xelga [282]

Answer:

4x² + 20x - 2

Step-by-step explanation:

To evaluate (c ○ d)(x), substitute x = d(x) into c(x)

c(x² + 5x)

= 4(x² + 5x) - 2

= 4x² + 20x - 2

7 0
3 years ago
11. Find the average rate of change of the equation y = x2 + 4x + 1 on the interval -1 < x < 4.
coldgirl [10]

Answer:

31/5

Step-by-step explanation:

[f(4) - f(-1)] / 4-(-1)

7 0
3 years ago
Pls i really need help asap plsss help plsss plsss plsss help me i really need help and don't just put random answers put real a
Schach [20]

Answer:

The simple solutions are:

Right 6:  (-2+6,-3) = (4,3)

Left 6:    (-2-6,-3) = (-8,-3)

Up 6:      (-2,-3+6) = (-2, 3)

Down 6:  (-2,-3-6) = (-2,-9)

 

Those are for horizontal or vertical

line segments.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Identify the property demonstrated by the equation. x + (3 + 5 ) = (x + 3 ) + 5
Darina [25.2K]
It is called associated property.
The ( ) are moved around, but the answer will be the same.
3 0
3 years ago
Is it positive, zero, or negative?​
Naddik [55]

Answer:

Discriminant is positive.

Step-by-step explanation:

From the given graph,

Vertex of the parabola = (-3, -2)

y - intercept of the parabola = (0, 1)

Vertex form of a parabola opening upwards is,

y = a(x- h)² + k

Here (h, k) is the vertex.

By substituting the values of the vertex in this equation.

y = a(x + 2)² - 3

Since this parabola passes through (0, 1)

1 = a(0 + 2)² - 3

a = \frac{(1+3)}{4}

a = 1

So the equation of the parabola will be

y = (x + 2)² - 3

y = x² + 4x + 4 - 3

y = x² + 4x + 1

Here a = 1, b = 4 and c = 1 (comparing with standard quadratic equation y = ax² + bx + c)

Discriminant of a quadratic equation is represented by,

(b² - 4ac)

Therefore, the value of discriminant = (4)² - 4(1)(1)

                                                            = 16 - 4

                                                            = 12

Therefore, discriminant of the given graph is positive.

5 0
3 years ago
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