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
quester [9]
3 years ago
5

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:
soldier1979 [14.2K]3 years ago
8 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
Rita gets paid 16$ per hour for the first 8 hours she work every day .
aniked [119]
So total, Rita gets 128 dollars, in 8 days
5 0
3 years ago
Calculate the Compound interest for 18,000 for 2 years at 8% per
sp2606 [1]

Step-by-step explanation:

principal = 18000

Time = 3 yrs

Rate. = 8%.

CI. = ?

Now

CI = p ( 1+ R÷ 100) ^T

CI = 18000( 1+ 8÷ 100 ) ^ 2

CI = 20995.2

Hope it's is Right :-)

6 0
2 years ago
Read 2 more answers
What is 37494964937478 Divided by? No your not allowed to answer one, whoever gets it right gets brainliest!
a_sh-v [17]

Answer:

3

Step-by-step explanation:

I think all the digits added together is 84 if I counted right which can be divided by 12 so the number can be divided by 3

6 0
3 years ago
Find the number if 10% of it is m.
Ann [662]

Answer:

'number' = 10m

Step-by-step explanation:

5 0
3 years ago
Help please asap!!!!only the correct answet please​
andrew11 [14]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Find two complex numbers that have a sum of 10i, a difference of -4 and a product of -29
    10·1 answer
  • To pass a course with an Upper A ​grade, a student must have an average of 90 or greater. A​ student's grades on three tests are
    9·1 answer
  • Which line has the steepest slope?
    7·2 answers
  • Please help!! graph y=sec(x)
    5·1 answer
  • A school group is helping plant a new city garden. Today they used 12 1/2 pounds of potting soil and planted 2/5 of the garden.
    6·1 answer
  • Factorise the following<br>x^2+2x-8​
    10·1 answer
  • The graph of f is given in the figure to the right. Let ​A(x)equals=Integral from 0 to x f left parenthesis t right parenthesis
    15·1 answer
  • How do I find the slope parallel to the equation y=3x-4?
    15·1 answer
  • Problem We can calculate EEE, the amount of euros that has the same value as DDD U.S. Dollars, using the equation E=\dfrac{17}{2
    7·1 answer
  • A circle has a radius of 17cm. Find the radian measure of the central angle θ that intercepts an arc of length 5cm.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!