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Brilliant_brown
1 month ago
7

Serena wants to determinethe area of the lawn the grass part of her front yard using the information given in the diagram below

Serena knows that she needs to divide by 9 to change the units from square yards so she writes the expression below to determine the area of grass in square yards
Mathematics
1 answer:
lawyer [12.5K]1 month ago
7 0
The result is 295 square yards. The detailed breakdown is as follows: 48(72-12)-15^2, divided by 9. Calculating gives 3456-576-225, then dividing this by 9. Subtracting gives 2880 minus 255, resulting in 2655, which when divided by 9 equals 295 square yards. Hope this clarifies!
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A thermal insulating sleeve is used to cover the lateral surface of a hot water heater to help improve efficiency. The hot water
Leona [12618]
The result is 706.85775. First, calculate the tank's volume using the formula 13*3.14159=40.84067. Then, multiply by the height of 75 to obtain 40.84067*75=3063.05025. Next, find the volume for both the tank and sleeve together: with the sleeve's radius being 16 (13+3), calculate it as 16*3.14159=50.26544, and then 50.26544*75=3769.908. Finally, subtract the tank volume from this total volume: 3769.908-3063.05025=706.85775.
8 0
2 months ago
A dentist is making identical dental care bags for patients using 56 tubes of toothpaste, 112 packets of floss, and 85 toothbrus
Svet_ta [12734]

The maximum number of identical dental care bags the dentist can create with the smallest leftover is 1.

The counts of bags are 2, 4, and 3, respectively.

Clarification:

Total tubes of toothpaste = 56

Total packets of floss = 112

Total toothbrushes = 85

Therefore, the greatest number of identical dental care bags the dentist can assemble with minimal leftover for toothbrushes is found by calculating the H.C.F of 56, 112, 85 = 1 ( ∵ as they are coprime to each other )

Given that there is no common factor among 56, 112, and 85, except for the commonality between 56 and 112, which is 56, the remainder of toothbrushes will be 85-56=29.

Thus considering 28,[TAG_24]]

The numbers can be expressed as follows: 56 = 28×2, 112 = 28×4, and 84 = 28×3

Consequently, the dentist can create 28 bags containing all three supplies, with no leftover from toothpaste and floss, but with leftover from toothbrushes as we substitute 84 for 85 to maintain divisibility by 28 for common factor demonstration.

This results in 2 bags for toothpaste, 4 bags for floss, and 3 bags for toothbrushes.

8 0
1 month ago
If f is a function, then f(3x)=3f(x)
babunello [11817]
This statement is incorrect.
In f(3x), the input 'x' is multiplied by 3 prior to being substituted into the function.
Conversely, with 3f(x), the result (output) is multiplied by 3 after you have calculated the output from the input value.
7 0
1 month ago
Mason is tiling the floor of his bathroom, which measures 9.75 feet by 8.63 feet. He estimates the area. Will he have enough til
Leona [12618]
He will have more than sufficient, as he only has to account for an area of 84.1425 square feet.
3 0
2 months ago
Read 2 more answers
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