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3 years ago

A tennis racket normally costs $65 . The tennis racket is on sale for 20% off . What is the sale price of the tennis racket

Mathematics

2 answers:

valentina_108 [34]3 years ago

4 0

Answer: $52

Step-by-step explanation: To find the sale price of the tennis racket, we first need to find the discount by multiplying the original price by rate of discount. In this problem, the original price of the tennis racket is $65 and the rate of discount is 20% or .20. Now, we can simply multiply.

65 x .20 = 13

The discount is $13.00

Next, let's find the sale price. The formula for finding the sale price is below.

Original price - discount = sale price

In this problem, the original price is $65 and the discount is $13.00 so we can subtract 65 - 13 and we get $52.

Therefore, the sale price is $52.

posledela3 years ago

3 0

First, we need to calculate how much money is the discount. We do that by multiplying 20% with 65$ = 20% * 65$ = 0,2 * 65$ = 13$

When we know how much money is the discount, we will subtract it from original value, and we will get the sale price of the tennis racket :

65$ - 13$ = 52$

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Step-by-step explanation:

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3 years ago

Solve the equation, and check the solutions (√x+3)+6=3.

larisa86 [58]

Answer:

The equation has no solution.

Step-by-step explanation:

Hi there!

First, let´s write the equation:

(√x + 3) + 6 = 3

To solve the equation, let´s subtract 6 to both sides of the equation:

√x + 3 = -3

subtract 3 to both sides of the equation:

√x = -6 (the square root of any number can´t be negative, but let´s solve it anyway and then check the solution).

Square both sides of the equation:

x = 36

Now, let´s check the solution:

(√x + 3) + 6 = 3

x = 36

(√36 + 3) + 6 = 3

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9 + 6 = 3

15 ≠ 3

Then, the equation has no solution.

Have a nice day!

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