MATHEMATICS HIGH SCHOOL

Help again PLZZ and thank you

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

OK NOW IM SAD :(

Answer 2

Answer:

Answer:

It is B the y-intercept of them both is 2 and because if you graph it, it will be the same

Step-by-step explanation:

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Create an equation. Use the graph below to create the equation of the rainbow parabola.Graph of a parabola opening down at the vertex 0 comma 36 crossing the x–axis at negative 6 comma 0 and 6 comma 0.
Create a table of values for a linear function. A drone is in the distance, flying upward in a straight line. It intersects the rainbow at two points. Choose the points where your drone intersects the parabola and create a table of at least four values for the function. Remember to include the two points of intersection in your table.

Answers

Remember that a quadratic with two real zeroes can be written as $a(x - r_1)(x - r_2)$ , where $a$ is a constant and $r_1$ and $r_2$ are the zeroes (or roots) of the function. Since the graph shows that the two zeroes are at -6 and 6, the equation has to be of the form

$y = a(x - ({-6}))(x - 6)$ , or
$y = a(x + 6)(x - 6)$

To solve for a, let's use the point at the vertex (0, 36) and plug that in:

$36 = a(0 + 6)(0 - 6)$
$36 = {-36}a$
$a = {-1}$
(It makes sense that $a$ is negative since the parabola opens down.)

So, the equation of the parabola is

$y = -(x + 6)(x - 6)$ , or
$\bf y = -x^2 + 36$

Now for the second part, just pick any two points with which we can draw a line with a positive slope. I'll use x = -2 and 1:

$y = -({-2})^2 + 36 = {-4} + 36 = 32$
$y = -(1)^2 + 36 = {-1} + 36 = 35$

So, our two points are (-2, 32) and (1, 35). To find the equation of the linear function that goes through these two points, let's use slope-intercept form, which is $f(x) = mx + b$ . The slope $m$ is given by $(y_2 - y_1)/(x_2 - x_1)$ , so

$m = (y_2 - y_1)/(x_2 - x_1) = \frac{35 - 32}{1 - ({-2})} = 1$
So, the equation of the linear function so far is just $f(x) = x + b$ , and we can find $b$ by plugging in one of the points on the line:

$35 = 1 + b$
$b = 34$

Thus, the equation of the linear function is

$\bf f(x) = x + 34$

And you can find more points on the line simply by plugging other values of x, such as (0, 34) and (5, 39).

The radius of a sphere is 6 centimeters. Which is the volume of the sphere?

Answers

the answer is in the file below
it simplifies to 288π or 904.78cm

Volume=4/3•pi•radius^3
=4/3•pi•6^3
=905cm^3 ( 3significant figures )

Need help ASAP!!! Will mark brainliest

Answers

A=148°

B=148°

Step-by-step explanation:

180-38=148°

because A and B are equal, they're both 148°

In a survey, 44% of the people said they voted for Mr. Johnson, while 2/5 of the people said they voted for Ms. Smith. Which group is larger? Explain.

Answers

Since 2/5 is equivalent to 4/10 = 40%, then the group which voted for Mr. Johnson is the larger group since they are 44%.

44% Is Bigger Because 2/5 is Only 40%

? M/S = 7.2 km/h ------ PLEASE HELP

Answers

To go from km/h to M/S you have to multiply by 3,6 so this must be the answer:
7,2 km/h x 3,6 = 25,92 M/S

Multiply.1. $(2x^3y^3)(5x^2y^8)$ 2. $9b^3(8b^4)(-b)$

3. 3y²(y²-2y+3) 4. (x + 3)(x-2)

Answers

$1. \n \n(2x^3y^3)(5x^2y^8) =2\cdot 5\cdot x^(3+2)\cdot y^(3+8) =10 \cdot x^(5)\cdot y^(11) \n \n 2.\n \n 9b^3(8b^4)(-b) =-9\cdot 8\cdot b^(3+4+1) =-72\cdot b^(8)$

$3.\n \n 3y^2(y^2-2y+3)=\n \n=3y^2\cdot y^2-3y^2\cdot 2y+3y^2\cdot 3 =\n \n =3y ^(2+2) -6y ^(2+1) +9y^2 =\n \n= 3y ^(4) -6y ^(3) +9y^2$

$4.\n \n (x + 3)(x-2)=x^2-2x+3x-6 = x^2+x-6$

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