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
tester [92]
3 years ago
12

Find the value of 3a²-4ab-26² when A= -1 and b-4

Mathematics
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

-657

Step-by-step explanation:

a= -1\\b= 4\\

Substituting the value of a and b

3a^{2}-4ab-26^{2}  \\3(-1)^{2} -4(-1)(4)-676\\3-4(-4)-676\\3+16-676\\19-676\\-657

The value of    3a²-4ab-26²  is -657

You might be interested in
Crystal is writing a coordinate proof to show that the diagonals of a parallelogram bisect each other. She starts by assigning c
belka [17]

c,c/2,a+b/2,AE,DE are the answers

4 0
3 years ago
Read 2 more answers
Please help
rewona [7]

Answer:

125.6m^2

Step-by-step explanation:

Let R be the greater radius and r be the smaller radius

Area of the sidewalk = R^2 - r^2 - This can be the expression

= 3.14

=(R^2-r^2)

=(11^2-9^2)

=(121-81)

= 40

= 3.14 x 40

5 0
2 years ago
Help marking brainly
Aneli [31]

Answer:

34

9 + 25

Step-by-step explanation:

Step 1: Define expression

a² + b²

a = 3

b = 5

Step 2: Substitute

3² + 5²

Step 3: Evaluate

9 + 25

34

5 0
3 years ago
Read 2 more answers
What is the volume of a cylinder with a height of 4xy^4 and a radius of 2x? (The formula fo
OLga [1]

Answer:

volume: \sf 16\pi x^3y^4

given:

  • height: \sf 4xy^4
  • radius: \sf 2x

<u>cylinder volume</u>:

\hookrightarrow \sf \pi r^2h

\hookrightarrow  \sf \pi (2x)^2(4xy^4)

\hookrightarrow  \sf \pi (4x^2)(4xy^4)

\hookrightarrow  \sf 16\pi x^3y^4

3 0
2 years ago
Please help I give you 30 points
valentinak56 [21]

Answer:

The last one,  14 3/4

Step-by-step explanation:

I hope this helped :)

4 0
2 years ago
Other questions:
  • At the market, 5 light bulbs cost $9dollar <br> How much do 7 light bulbs cost?
    8·2 answers
  • The graph of the parent function f(x) = x is translated to form g(x) = (x - 7) + 9. The point (0,0) on the graph of
    10·1 answer
  • Cole paid $24 for two calculators and one pack of pens. Kai paid $45 for three calculators and two packs of pens. Cole and Kai b
    15·1 answer
  • John took a drive to town at an average rate of 40 mph in the evening he drove back at 30 mph if he spent a total of seven hours
    10·1 answer
  • a rectangular school gym has a length of x+14 and a width of x-20 which measure does (x+14)(x-20) represent
    7·2 answers
  • 9 less than a number is -1.​
    14·2 answers
  • Please help me, i need it asap. if you dont mind, also an explanation
    10·1 answer
  • The canteen made 15 liters of soup. By the afternoon they had sold
    15·1 answer
  • Use the distance formula to calculate the distance between the following two points:
    12·1 answer
  • What is the probability of landing on green on the spinner?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!