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alexdok [17]
2 years ago
6

A mysterious flying superhero known as Blue Sky protects the good citizens of Allenville. Unknown to these citizens, Blue Sky is

actually mild-mannered Abdul, a scientist in a flying suit. Before Abdul can fly in the suit, he needs to charge its battery. There is a proportional relationship between the number of hours Abdul has charged his flying suit, x, and the number of hours he can fly, y.
If Abdul charged the suit for 1 hour, he can fly for 2 hours
Mathematics
1 answer:
zalisa [80]2 years ago
7 0

Answer:

you would have to solve for the x and y

Step-by-step explanation:

which means solve for the x then y

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Given the equation 4x2 − 8x + 20 = 0, what are the values of h and k when the equation is written in vertex form a(x − h)2 + k =
GenaCL600 [577]

Answer:

The correct option is:

h = 1, k = 16

Step-by-step explanation:

y=4x^2-8x+20 =0

It is a quadratic formula in standard form:

ax^2+bx+c

where a = 4 , b = -8 and c=20

The vertex form is:

a(x − h)2 + k = 0

h is the axis of symmetry and (h,k) is the vertex.

Calculate h according to the following formula:

h = -b/2a

h= -(-8)/2(4)

h = 8/8

h = 1

Substitute k for y and insert the value of h for x in the standard form:

ax^2+bx+c

k = 4(1)^2+(-8)(1)+20

k = 4-8+20

k=-4+20

k = 16

Thus the correct option is h=1, k=16....

8 0
3 years ago
What is the midpoint of the segment shown below ?
Ivanshal [37]

(1,-1) and (4,-6)

midpoint:

x = (1 + 4)/2 = 5/2

y = (-1 - 6)/2 = -7/2


Midpoint (5/2, -7/2)


Answer

D.

(5/2, -7/2)

5 0
3 years ago
Read 2 more answers
6.025 (25 is repeating) as a mixed number
Mashutka [201]

Answer:

6.025 as a mixed number is 6 1/40

3 0
2 years ago
Read 2 more answers
Urgent please help..
Alexxx [7]

Answer:

x ≈ 13.5

Step-by-step explanation:

Using the sine rule in the triangle, then

\frac{sin34}{x} = \frac{sin27}{11} ( cross- multiply )

x × sin27° = 11 × sin34° ( divide both sides by sin27° )

x = \frac{11sin34}{sin27} ≈ 13.5 ( to the nearest tenth )

5 0
2 years ago
Please help me solve the screenshot below.
Harrizon [31]

Answer:

The arrangement of the given equation in the slope - intercept form are

  1. y=-x+4
  2. y=2x-5

Step-by-step explanation:

Given:

x + y = 4 and

y - 2x = -5

Slope - intercept form :

y=mx+c

Where,

m is the slope of the line.

c is the y-intercept.

When two points are given say ( x1 , y1 )  and ( x2 , y2)  we can remove slope by

Slope,

m=\frac{y_{2}- y_{1}}{x_{2}- x_{1}}

Intercepts: Where the line cut X axis called X- intercept and where cut Y axis is called Y- intercept.

So, the Slope -intercept form of

x + y = 4   is  y=-x+4

and

y - 2x = -5 is  y=2x-5

3 0
3 years ago
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