Answer:
52
Step-by-step explanation:
Using the Pythagorean theorem
a^2+b^2 = c^2
20^2 + 48^2 = c^2
400 +2304=c^2
2704=c^2
Taking the square root of each side
sqrt(2704) = sqrt(c^2)
52 = c
Answer:
B
C
Step-by-step explanation:
Convert 30% to a decimal:
30% = 0.30
Check each item by multiplying the original price by 0.30 (the 30% off sale). Subtract the product from the original price. If the sale price is the same, the pricing is correct. If they are different, the pricing is incorrect.
Headphones:
24.50 × 0.30
7.35
24.50 - 7.35
17.15
17.15 = 7.35? Incorrect.
Phone Charger:
29.25 × 0.30
8.775
29.25 - 8.775
20.475
Round to the nearest cent (hundredths place):
20.48
20.48 = 20.48? Correct.
Minitablet:
117.95 × 0.30
35.385
117.95 - 35.385
82.565
Round to the nearest cent:
82.57
82.57 = 82.57? Correct.
Printer:
213.45 × 0.30
64.035
213.45 - 64.035
149.415
Round to the nearest cent:
149.416
149.416 = 207.47? Incorrect.
Flat Screen TV:
376.98 × 0.30
113.094
376.98 - 113.094
263.886
Round to the nearest cent:
263.89
263.89 = 236.89? Incorrect.
A= 28x+70
B= 28-33
C= 82x+38
D= 718x-108
none.
kidding i’m not sure but i’d say to just go with A?
Answer:
parallelograms, btw nice keyboard
Step-by-step explanation: