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
Vaselesa [24]
3 years ago
13

Evaluate the expression 2ab3 + 6a3 - 4ab2 when a = 2 and b = 4.

Mathematics
2 answers:
evablogger [386]3 years ago
7 0
2(2)(4)3+6(2)3-4(2)(4)2
   48      +  36  -  64
          74         -  64
                 = 10 




nalin [4]3 years ago
3 0
2(2x4)3 + 6(2)3 - 4(2x4)2
 (4x8)3 + (12)3 - (8x16)2
  (32)3 + (12)3 - (128)2
        96 + 36 - 256
              -124
You might be interested in
Simplify the following expression
meriva

Answer:

This is missing something

4 0
3 years ago
Need help #14 <br> The center of the circle is (0,-8). The radius is 9.
Shtirlitz [24]
X^2+ (y+8)^2 = 81.....this is C.
X^2 + y^2 + 16y +64=81 so x^2 + y^2 + 16y = 17.....this is D.

So I’d say C and D are correct
3 0
3 years ago
Read 2 more answers
Determine the value of r so that line through. -2,5 and 6,r has a slope of -3,2
Mademuasel [1]

Answer:

R=10

Step-by-step explanation:

-2×-3=6

R=5×2

=10

3 0
3 years ago
Mathematics question in the screenshot below.
irga5000 [103]

Step-by-step explanation:

1/6×100%=50/3%

3/24×100%=25/4%

3/8×100%=75/2%

=>50/3%+25/4%+75/2%+x=100%

=>100%-725/12%=x

=>x=59 and 5/12

4 0
3 years ago
4^n + 1 , Where n is a natural number , will
antiseptic1488 [7]

Answer:

a) will definitely be an odd number

Step-by-step explanation:

4^n is always even (when you multiply even and even number, the product is always even)

when you add one to even number, the sum is always odd

so 4^n +1 is odd.

5 0
3 years ago
Other questions:
  • The weight of an African elephant is 6 × 106 grams; the weight of a tiger is 3 × 105 grams. How many times heavier is the elepha
    14·1 answer
  • Please answer this multiple choice question!! will give brainliest :)
    12·1 answer
  • Find the value of tan(sin^-1(1/2))
    10·2 answers
  • 6th grade-Write an inequality to represent the situation: The temperature stayed above -15 degrees. Thanks guys!
    9·1 answer
  • from his home, Bob would have to walk 3 miles north to get to his friend lucky’s house and 4 miles east to get to his friend ray
    8·1 answer
  • If x represents a number, then write an expression for a number that is three more than the number
    6·2 answers
  • 2(x + 4) - 5 = 3x + 3
    13·2 answers
  • If M is the midpoint of AB, find the coordinate of point B if the coordinate of point A are (7,10) and the midpoint, M is(6,1)
    9·1 answer
  • An equilateral triangle is similar to a scalene triangle. True or False
    13·1 answer
  • Solve for x in the triangle
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!