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
mezya [45]
3 years ago
11

Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2

Mathematics
2 answers:
amid [387]3 years ago
5 0
First you simply have to substitute 2 in replace of all the a's, and -2 in replace of all of the b's

4((2)2+2(-2))

Then you want to follow the order of operations, PEMDAS (Parantheses-Exponent-Multiplication-Division-Addition-Subtraction), and multiply within the parantheses.

4(4+(-4))

Next you will add within the parantheses (So add the 4 and -4 together)

4(0)

Lastly multiply

0

Your answer is 0

Hope this helps!
aivan3 [116]3 years ago
3 0

Answer:

4

Step-by-step explanation:

You might be interested in
Kate begins solving the equation StartFraction 2 Over 3 EndFraction left-parenthesis 6 x minus 3 right-parenthesis equals StartF
mixas84 [53]

Answer:

<h3>The best interpretation of this equation 4x=3x is that the equation has no solution</h3>

Step-by-step explanation:

Given that Kate begins solving the equation

\frac{2}{3}(6x-3)=\frac{1}{2}(6x-4)

<h3>To find the best interpretation of the given equation :</h3><h3>Katie's steps are</h3>
  • \frac{2}{3}(6x-3)=\frac{1}{2}(6x-4)
  • \frac{2}{3}(3(2x-1))=\frac{1}{2}((2(3x-4))
  • 2(2x-1)=1(3x-2)
  • 2(2x)+2(-1)=1(3x)+1(-2)
  • 4x-2=3x-2

When she adds 2 to both sides, the equation becomes

  • 4x-2+2=3x-2+2
  • 4x=3x

Therefore 4\neq 3

<h3>Therefore the given equation has no solution </h3><h3>The best interpretation of this equation 4x=3x is that the equation has no solution.</h3><h3>Therefore the option no solution is correct</h3>
8 0
2 years ago
Read 2 more answers
Write the equation of the line in the slope intercept form if the line passes through (3,5) and (5,9) show all your work
Feliz [49]

Answer:

slope (m)= y2-y1 /x2 -x1

Step-by-step explanation:

or m= ((9-5)/ (5-3)

or,m= 4/2

or,m =2

4 0
2 years ago
Read 2 more answers
Find the diagonal of a square whose sides are of the given measure. Given = 6sqrt2
jeyben [28]

Answer:

=12 units

Step-by-step explanation:

When a square is cut along one diagonal, it forms a right angled triangle whose legs are the sides of the square and the hypotenuse is the diagonal of the square.

Therefore, the Pythagoras theorem is used to find the hypotenuse.

a² + b² = c²

(6√2)²+(6√2)²=c²

72+72=c²

c²=144

c=√144

=12

The diagonals of the square measure 12 units each.

 

6 0
3 years ago
Maria and three friends have 1200 soccer cards. If they share the soccer cards equally, how many will each person receive?
ryzh [129]
300 because 1200/4= 300
5 0
3 years ago
Matt has 3 dark t-shirts and 6 white t-shirts. First, he will close his eyes to select a
valina [46]

Answer:

around 73-89%

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Other questions:
  • Brandy is trying to decide between two cell phones. One is free with the two-year contract but she will have to pay the sales ta
    9·1 answer
  • Which lengths could be the sides KLM of the triangle, respectively?
    14·1 answer
  • The coordinates for the endpoints of LM are L (-2, -3) and M (4, 5). LM is dilated by a scale factor of ( 1/ 2) from center of d
    15·1 answer
  • Shape I is similar to shape II.
    15·1 answer
  • Please someone help me
    8·1 answer
  • What is the factor of (2ab)(-5ab)
    9·2 answers
  • Please i need your help!!! 40 points:)
    10·1 answer
  • Find L<br> 10in 6in<br> L=__in
    14·1 answer
  • 4(x + 2)- 6 = 14
    10·1 answer
  • A regular hexagon and a rectangle have the same perimeter, P. A side of the hexagon is 4 less than the length, l, of the rectang
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!