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Olin
4 days ago
11

A ramp with a constant incline is made to connect a driveway to the front door and 4 feet from the driveway the height of the ra

mp is 12 inches and a .6 feet from the driver in there the height of the ramp is 18 inches what is the rate of change of the ramps incline

Mathematics
2 answers:
Leona [12.1K]4 days ago
4 0

3 inches rise for each foot in distance.

I believe this is the right answer.

zzz [11.8K]4 days ago
4 0

The correct response is:

3 inches rise for every foot in length

Explanation:

To derive the rate of change, we need to compute the difference in height and the difference in distance. The rate of change is expressed as rise/run, or

(change in height)/(change in length).

The respective heights at the specified points are 18 inches and 12 inches, resulting in a change of 18-12 = 6 inches.

The corresponding lengths at those points are 6 feet and 4 feet, yielding a change of 6-4 = 2 feet.

This implies our rate of change is (6 inches)/(2 feet), which simplifies to (3 inches)/(1 foot), indicating a rise of 3 inches for each foot of incline on the driveway.

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A law firm is going to designate associates and partners to a big new case. The daily rate charged to the client for each associ
babunello [11351]

Response:

Each associate incurs a cost of $700 daily for the client, meaning that 'a' associates will cost the client 700a dollars each day. For each partner, the charge is $1500 daily, so 'p' partners will accumulate a cost of 1500p dollars daily. The cumulative bill amounts to 700a + 1500p = $14100:

700a + 1500p = 14100

700a + 1500p = 14100

Given that there are a total of 11 lawyers assigned (associates and partners), the equation a + p must equal 11.

a + p = 11

a + p = 11

\underline{\text{Formulate System of Equations:}}

Formulate System of Equations:

​

700a + 1500p =

700a + 1500p = 14100

14100

a + p = 11

11

8 0
1 month ago
At 7:00 A.M., Alicia pours a cup of tea whose temperature is 200°F. The tea starts to cool to room temperature (72°F). At 7:02 A
zzz [11880]

Response:

Part A

The best choice is;

b. y = 128(0.989)x + 72

Part B

Ella can consume the tea post 7:22

Detailed clarification:

Here, we observe the temperature variation with time represented in an exponential equation as follows;

Let the temperature at time x (measured in minutes) be y

Thus, y = a × mˣ + b

Where:

b = Curve shift or the limiting value of the decreasing exponential function as x → ∞

When y = 200, x = 0

This leads to 200 = a × m⁰ + c = a + c

Here, c represents the graph's shift, which is the temperature increase = final temperature = 72°F

Thus, a = 200 - 72 = 128°F

When y = 197, at x = 2 minutes

Thus, 197 = 128·m² + 72 =

m² = (197 - 72)/128 = 125/128

m = √(125/128) = 0.98821

Therefore, the exponential cooling equation is given by;

y = 128 × (0.98821)ˣ + 72

Hence the best choice is b. y = 128(0.989)x + 72

Part B

When the tea's temperature reaches 172°F, we have;

172 = 128 × (0.989)ˣ + 72

Thus, (0.989)ˣ = (172 - 72)/128 = 100/128 = 25/32

log(0.989)ˣ = log(25/32)

x·log(0.989) = log(25/32)

x = log(25/32)/log(0.989) = 22.32 minutes

Thus, Ella can consume the tea post 7:22.

6 0
18 days ago
The owner of a sandwich shop researches the cost of buying different numbers of pounds of sandwich meat. The owner creates a sca
zzz [11880]

Answer:

What are the statements?

Step-by-step explanation:

3 0
20 days ago
estimate the total weight of two boxes that weigh 9.4 lb and 62.6 lb using rounding and compatible numbers. which estimate is cl
babunello [11351]
<span><span>1.      </span>We have two boxes with weights:
=> 9.4 lb and 62.6 lb.
To find a rough estimate of their total weight, we will round and use compatible numbers.
For 9.4 lbs, rounding gives us 9 lbs
And for 62.6 lbs, it rounds to 63 lbs
=> Adding these two rounded numbers yields:
=> 9 + 63
=> 72, the estimated total is 72.
Let’s verify if this is close to the actual weight
=> 9.4 + 62.6
=> 72</span>



5 0
1 month ago
The owner of a skate shop notices that every time a certain employee has a shift, there are higher sales numbers at the end of t
zzz [11880]

Response:

Correlation.

In-depth explanation:

When the goal is to determine the connection between two or more variables to assess the impact of one variable (the independent one) on another variable (the dependent one), this is referred to as a correlation study or analysis. In this case, the link between employee shifts and sales or productivity is analyzed; it shows how the number of shifts worked by a specific employee correlates positively with the revenue generated. Here, the shift worked by the employee acts as the independent variable while the generated revenue is the dependent one.

6 0
1 month ago
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