3 years ago

A number "n" is at least 4

1 answer:

3 0

At least means that at the lowest or smallest amount, it is that number, which is 4. So, the equation for this would be n≥4

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A dealer sold 200 tennis racquets. Some were sold for $33 each, and the rest were sold on sale for $18. The total receipts form

Mumz [18]

120 tennis racquets were sold for $ 18 each

Solution:

Let x = number that sell for $18 each

Then, 200 - x = number that sell for $33 each

The total receipts form these sales were 4800 dollars

Thus we frame a equation as:

number that sell for $18 each x 18 + number that sell for $33 each x 33 = 4800

$x \times 18 + (200-x) \times 33 = 4800\\\\Solve\ the\ above\ equation\ for\ x\\\\18x + 6600 - 33x = 4800\\\\Move\ the\ variables\ to\ one\ side\\\\18x-33x = 4800-6600\\\\-15x = -1800\\\\Divide\ both\ sides\ of\ equation\ by\ -15\\\\x = 120$

Thus 120 tennis racquets were sold for $ 18 each

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3 years ago

The length of one side of a regular pentagon is 18.3 cm. What is the perimeter of this pentagon?

Ket [755]

91.5 is the perimeter. It's just 5a.

3 0

4 years ago

Help please I need help :(

maks197457 [2]

A = 1 and 8

B = 2 and 4

C = 2 and 7

I’m pretty sure this is right? I’m still learning too :p

5 0

3 years ago

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Find the value of two numbers if their sum is 12 and their difference is 4.

AlladinOne [14]

Answer:

8 and 4

Step-by-step explanation:

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3 years ago

tensa zangetsu [6.8K]

The answer should be 242.75 cubic centimeters!!

4 0

3 years ago