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Rudiy27
2 years ago
12

When Ashley left her house in the morning, her cell phone battery was partially charged. Let BB represent the charge remaining i

n Ashley's battery, as a percentage, tt hours since Ashley left her house. A graph of BB is shown below. Write an equation for BB then state the yy-intercept of the graph and determine its interpretation in the context of the problem.
Mathematics
1 answer:
Ray Of Light [21]2 years ago
4 0

Answer =

B= 50-10t

y-intercept of the function is 50 which represents the charge of the battery when Ashley left her house.

Step-by-step explanation:

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Two movie tickets and 3 snacks are $24. Three movies tickets and 4 snacks are $35. How much is a movie ticket and how much is a
Vsevolod [243]

Answer: A movie ticket is $9 while a snack is $2

Step-by-step explanation: We shall let a movie ticket be m while a snack is s. So, from the clues given, if two movie tickets and three snacks cost $24, we can write it as the following expression;

2m + 3s = 24

Also if three movie tickets and four snacks cost $35, we can as well write another expression as follows;

3m + 4s = 35.

Now we have a pair of simultaneous equations which are

2m + 3s = 24 ----------(1)

3m + 4s = 35 ----------(2)

We shall solve this by using the elimination method, since none of the variables has a coefficient of 1. We'll start by multiplying equation (1) by 3 and multiplying equation (2) by 2 (so as to eliminate the m variable)

2m + 3s = 24 -------- x3

3m + 4s = 35 ---------x2

We now arrive at the following

6m + 9s = 72--------(3)

6m + 8s = 70--------(4)

Subtract equation (4) from equation (3) and we arrive at

s = 2

Having determined that s equals 2 we can now substitute for the value of a into equation (1)

2m + 3s = 24

2m + 3(2) = 24

2m + 6 = 24

Subtract 6 from both sides of the equation

2m + 6 - 6 = 24 - 6

2m = 18

Divide both sides of the equation by 2

m= 9

Therefore one movie ticket costs $9 while one snack costs $2

6 0
2 years ago
mcgregor is growing alfalfa on 180 acres,which is 30% of his farmland. mcgregor has how many acres of farmland?
emmasim [6.3K]

Answer:

600 acres

Step-by-step explanation:

Hope this helps!

5 0
1 year ago
If a 100-lb. cake of ice is placed on a plane of which the inclination to the horizontal is 35, what force will be required to k
Sliva [168]
F = 100(.5736) 
<span>= 57.36 lbs. (rounded off to 2 decimal places) </span>

<span>2) sin60 = .866 </span>
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8 0
2 years ago
Sketch the region of integration for the following integral. ∫π/40∫6/cos(θ)0f(r,θ)rdrdθ
solong [7]

Answer:

The graph is sketched by considering the integral. The graph is the region bounded by the origin, the line x = 6, the line y = x/6 and the x-axis.    

Step-by-step explanation:

We sketch the integral ∫π/40∫6/cos(θ)0f(r,θ)rdrdθ. We consider the inner integral which ranges from r = 0 to r = 6/cosθ. r = 0 is located at the origin and r = 6/cosθ is located on the line  x = 6 (since x = rcosθ here x= 6)extends radially outward from the origin. The outer integral ranges from θ = 0 to θ = π/4. This is a line from the origin that intersects the line x = 6 ( r = 6/cosθ) at y = 1 when θ = π/2 . The graph is the region bounded by the origin, the line x = 6, the line y = x/6 and the x-axis.    

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2 years ago
Identify the range of the function shown in the graph
e-lub [12.9K]

Step-by-step explanation:

answer is c

hope it helps

plz mark as brainliest

7 0
2 years ago
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