Lydia bought a shirt at 20% off its retail price of $40. she paid 5% tax on the price after the discount. how much did lydia pay for the shirt?
lydia bought a shirt at 20% off its retail price of $40. she paid 5% tax on the price after the discount. how much did lydia pay for the shirt?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

answer: 193

explanation:

200-7 = 193

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180