Which of the expressions below is equivalent to the expression: 42 + 32 – 13 × 2 + 38? a. 42 + 32 – (26 + 38) b. 42 + 32 – 13 ×
(2 + 38) c. 42 + 32 + 12 d. (4 + 3)2 + 12
1 answer:
Using PEMDAS, 42 + 32 - 13 * 2 + 38 can be simplified as,
C. 42 + 32 + 12 = 86
You can check this by inserting the given expression (42 + 32 - 13 * 2 + 38) into a calculator, which should also give you the same answer of 86.
You might be interested in
Answer: X= 3^-1
X= -0.75
Step-by-step explanation:
The parabola is at Max of 22
Answer:
544
Step-by-step explanation:
I added them together.
Dr /dt = 7
A = pi r^2
dA / dr = 2pir
dA/dt = dA/dr * dr/dt = 2pir * 7 = 14pir
when r = 12 rate of change of the area = 14*pi*12 = 168pi
= 527.79 cm^2 / minute to nearest hundredth
