1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
iren [92.7K]
3 years ago
14

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

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0
A= 3
b= 4

=3.14(a^2 + ab)
substitute the given a & b values in expression

=3.14((3)^2 + (3*4))
multiply inside parentheses

=3.14(9 + 12)
add inside parentheses

=3.14(21)
multiply

=65.94


ANSWER: 65.94

Hope this helps! :)
You might be interested in
Please answer this correctly
Andreyy89

Answer: 1-20=2  and 60-80=4

Step-by-step explanation:

the first is 2 number of building

and the third one is 4 number of buldings

Hope this helps :)

7 0
3 years ago
Evaluate -6-(-6) +7+(-4) + (-1).​
frutty [35]

<em>solution</em><em> </em><em>:</em><em>-</em><em>-</em>

  • = -6 + 6 + 7 - 4 - 1

  • = 6 + 7 - 6 - 4 - 1

  • = 13 - 11

  • = 2
3 0
3 years ago
Ok real quick question how does your teacher give you a D on one of your assignments after they just signed you up for an honor
grandymaker [24]

Answer:

when the signed you up for the honor class they probably expected you to know more

4 0
2 years ago
Read 2 more answers
Write an equation in slope-intercept <br> A slope of 0 and passes through (0,-3)
Finger [1]

If the line has a slope = 0,  then it's a horizontal line

with the equation y = constant.

The line passes through (0, -3) → y= -3

<h3>Answer: y = -3</h3>
6 0
3 years ago
Solve for x.<br>3 - |8x-6I = 3<br><br>x= or x=
Ket [755]

Answer:

¾ = x

Step-by-step explanation:

Since 3 - 0 gives us the 3, we do this:

0 = -|8x - 6|

0 = -8x + 6 >> Distributive Property

-6 - 6

___________

-6 = -8x

__ ___

-8 -8

¾ = x

I am joyous to assist you anytime.

7 0
3 years ago
Other questions:
  • The volume of a sphere is 36Ï€ in³. what is the radius of the sphere?
    15·1 answer
  • Need help !!<br> Please help
    7·1 answer
  • Alondra is saving money in her piggy bank for her upcoming trip to disney world. On the first day, she put in $15 and plans to a
    11·2 answers
  • What is the measure of an angle formed by the angle bisector of a given angle and one of its sides: 171°30'
    11·2 answers
  • Paul can choose to be paid $50 for a job or he can be paid 12.50 per hour. Under which circumstances should he choose the hourly
    12·1 answer
  • What is the most useful about mathematics for human kind?
    9·1 answer
  • What is the inverse of the function
    7·1 answer
  • Simplify each algebra expressions by combing like terms 5p + 2p + 6p​
    15·2 answers
  • You are ready to spend your Christmas money! You go to your favorite store and buy some jewelry. They are
    8·1 answer
  • Arrange the cards into three pairs of the same total.<br> -7,-5,-3,3,1,-1
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!