Can someone please help me and look over this and answer this?I have a huge E.A and this make up my whole grade please help.

Answers

Answer 1

Answer: 1. $(Species\ A)/(Species\ B) = ((3x^(2)y)^(2))/(6(xy)^(3)) = (3x^(4)y^(2))/(6x^(3)y^(3)) = (x)/(2y)$

2. $(Species\ C)/(Species\ D) = \frac{20√(xy)}{4\sqrt{x^(2)y}} = (5)/(√(x)) = (5)/(√(x)) * (√(x))/(√(x)) = \frac{5√(x)}{\sqrt{x^(2)}} = (5√(x))/(x)$

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Find the x-intercept of the parabola with vertex (1,-13) and y-intercept (0,-11).

Answers

Standard form of equation for a parabola: y=A(x-h)^2+k, (h,k)=(x,y) coordinates of vertex
using given coordinates of vertex:
y=A(x-1)^2-13
using given coordinates of y-intercept:
-11=A(0-1)^2-13
A=2
Equation of parabola: y=2(x-1)^2-13
x-intercepts

set y=0
0=2(x-1)^2-13
2(x-1)^2=13
(x-1)^2=13/2
x-1=±√(13/2)
x=1±√(13

1. find equation

general solutions are:
$y = a x^(2) +bx +c \n \n (dy)/(dx) = 2ax +b$

for P(0,-11)

$-11 = 0a + 0b +c$ ⇒ $c = -11$

for p(1,-13)
$-13 = 1a + 1b -11 \n a+b = -2$

and

$0 = 2a + b \n b = -2a$

solve for a and b:
$a - 2a = -2 \n a = 2 \n b = -4$

the total equation is now:

$y = 2 x^(2) -4x -11$

To find the x-intercept set y=0 and solve for x

$0 = 2 x^(2) -4x-11$

Determine the vertex form of g(x) = x2 + 2x – 1. Which graph represents g(x)? On a coordinate plane, a parabola opens up. It goes through (negative 2, 3), has a vertex at (negative 1, 2), and goes through (0, 3). On a coordinate plane, a parabola opens up. It goes through (negative 1, 2), has a vertex at (1, negative 2), and goes through (3, 2). On a coordinate plane, a parabola opens up. It goes through (0, 3), has a vertex at (1, 2), and goes through (2, 3). On a coordinate plane, a parabola opens up. It goes through (negative 3, 2), has a vertex at (negative 1, negative 2), and goes through (1, 2).

Answers

The vertex form of the quadratic equation is:

$g(x) = (x + 1)^2 - 2$

And the graph can be seen at the end

How to get the vertex form of the quadratic equation?

For a quadratic equation with leading coefficient a, and with vertex (h, k), the vertex form is:

$y = a*(x - h)^2 + k$

Here we have:

$g(x) = x^2 + 2x - 1$

First, we need to find the vertex. by using the known formula we get:

$h = -2/(2*1) = -1$

To get the value of k, we need to evaluate g(x) in x = -1.

$g(-1) = (-1)^2 + 2*-1 - 1 = 1 - 2 - 1 = -2$

So the vertex is (-1, -2), which means that the vertex form is:

$g(x) = (x + 1)^2 - 2$

And its graph can be seen below.

If you want to learn more about quadratic equations:

brainly.com/question/1214333

#SPJ2

Answer:

the last one I think

Step-by-step explanation:

Judging from past bowling games, the probability that you will get a strike in a game is 40%. if you bowl 35 games, in how many games can you expect to bowl a strike?

Answers

You need in total
14 games

14 because you need to get 25pts on ttm or imagine math.

Volume of a cone is 593.46 cubic in, the radius is 9in what is the height to the nearest inch?

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equation for volume of cone: v = π*r²*(h/3)
substitute the variables with the known number values:
593.46 = V
r = 9
Solve for h
(593.46) = π*(9)²*(h/3)
Solve for h! :-)

The average depth of the ocean is about 3.8 km.width of 7600 km. calculate the ratio depth:width?

Answers

a ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio
depth is 3.8km
width is 7600km
ratio is 3.8:7600

What is the value of x?
x = [? ]°
Enter

Answers

Answer:

$x = (60)/(2) = 30$

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