3 years ago

Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)

Mathematics

2 answers:

34kurt3 years ago

6 0

3.14(a2+ab)
3.14(3(2)+3(4)
3.14 +6+12
3.14+18
21.14 I think that's it sorry if it's not.

Alex777 [14]3 years ago

6 0

Answer:its like a by the power 2

Step-by-step explanation:

You might be interested in

How many different lunch combinations can be made from two sandwich choices three ide choices and three beverage choices if you

nikdorinn [45]

From what you said the choices go up by 3 every time in different combinations . Its at least 36 or more combinations .
i did my best guess from the choice .. hope it helps

5 0

3 years ago

Tyler is paid time and a lovertime after 40 hours worked in a week. His hourly rate is $13/h. What is his

HACTEHA [7]

Answer:

$630.50

Step-by-step explanation:

6 0

3 years ago

Use suitable identities to find the following products (x+4)(x+10)

Anestetic [448]

Answer:

$x^2 + 14x + 40$

Step-by-step explanation:

Here we gonna use the identity -

$(x+a)(x+b) = x^2+(a+b)x + ab$

So using the identity here,

$(x+4)(x+10) \\=> x^2 +(4+10)x+4*10\\=>x^2+14x+40$

6 0

3 years ago

Read 2 more answers

A line with a slope of 4 passes through the point (2, 3) . What is its equation in slope -intercept form?

denis-greek [22]

Y = 4x - 5, the y intercept is -5

4 0

3 years ago

Read 2 more answers

On a marathon course Amanda is 2mile behind Beverley and chad is 1 mile ahead of Beverly how far apart are Amanda and chad?

inn [45]

The answer to this question is 3 miles

7 0

3 years ago