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ser-zykov
1 month ago
6

Your camera determines the focal distance required for your picture to be in focus using the lens equation, 1/F - 1/S = 1/D, whe

re the focal distance to the object from the lens (D) is related to the focal length (F) and the distance from the lens to the film (S). If an object is placed 8 cm from a lens with a focal length of 4 cm, how far from the lens is the image (film) formed?
Mathematics
1 answer:
AnnZ [12.3K]1 month ago
6 0
Friend, you'll definitely need divine assistance for this. Open the Bible, pray, and hope for the best; talk to you later!
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A city determines that a planned community must have at least 4 acres of developed and open space, and the difference
lawyer [12517]

Answer:

The attached figure illustrates the graph.

Step-by-step explanation:

Let

x represents the count of open acres

y depicts the total developed acres

It is established that

x+y \geq 4 corresponds to inequality A

x\leq 1 corresponds to inequality B

Keep in mind that

if the open acres, x, is limited to a maximum of 1, then it follows that x must adhere to ≤ 1

The system of equations can be solved by graphing

The solution is found in the shaded area (Note Negative acreage counts are not permissible)

The attached figure serves as a visual representation.

3 0
2 months ago
If t represent the number of tickets purchased for a baseball game, which scenario is modeled by the equation, 32.50t + 5 = 28.7
tester [12383]

Answer: By substituting t with 4, we find that 32.5*4 + 5 yields 135 and 28.75 * 4 + 20 results in the same value of 135, confirming the equation is valid.

or

By using 4 as the value for t in the equation, a true statement emerges, indicating that the Burns family will incur a cost of $135 for 4 tickets and parking regardless of whether the choice is lower-level or middle-level seating.

Step-by-step explanation:

4 0
2 months ago
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A square coffee table has an area of 196 square inches. What is the length of one side of coffee table?
Leona [12618]
I believe the answer should be 14 inches
6 0
2 months ago
How do you use a number line to solve 235+123
AnnZ [12381]
<span>A number line is a visual method for performing addition using points on a line.
=> 235 + 123
Begin at 0 and move to 235. From 235, move forward another 123 units.
Then from zero mark the position you reach after adding 123 to 235.

This gives:
=> 235 + 123
=> 358.
See the attached image for a number line depiction.</span>Answer:

6 0
2 months ago
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