Jarvisdavid46 Jarvisdavid46

18-03-2020
Mathematics

contestada

Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 2.

Respuesta :

kstaxkss kstaxkss

18-03-2020

Answer:

263.76

3.14x(42+42)

3.14x82=263.76 .

Answer Link

jimrgrant1 jimrgrant1

18-03-2020

Answer:

75.36

Step-by-step explanation:

Given

3.14(a² + ab) ← substitute a = 4, b = 2 into the expression

= 3.14(4² + 4(2)) = 3.14(16 + 8) = 3.14 × 24 = 75.36

Answer Link

Otras preguntas

Define the terms strategy

Eddie is fishing. He has ounces of weight on his line, but his bait isn't getting to the bottom of the lake. Eddie adds another -ounce weight to the line, but

what is the halogen in period 5?? it has six letters

The earliest method of food preservation was the icebox. a. True b. False

As of 2010, the most prevalent genetically modified crop grown was __________. a. insect-resistant corn b. insect-resistant cotton c. herbicide-resistant cot

Which statement accurately describes an accomplishment of emperor Yangdi that helped bring the Chinese together as one people?

3. A diagram of Izzi's bedroom is shown below. What is the area of her room? (14-7) 7 ft 8 ft 5 ft 10 ft

what accounts for genetic biodiversity existing in modern multicellular organisms?

The umbilical artery carries blood from the fetus to the placenta and the umbilical vein carries blood from the placenta to the fetus. How does the composition

What are three ways that antibodies help fight infection?