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
kipiarov [429]
3 years ago
9

What is the value of -3mn + 4m - 3 when m = 2 and n = -4?

Mathematics
2 answers:
photoshop1234 [79]3 years ago
6 0
The value will be 29
grandymaker [24]3 years ago
4 0
-3(2)(-4)+4(2)-3=24+8-3=29

The value is 29
You might be interested in
Is 7^2 greater then or less than 3^4?​
nevsk [136]
<h2>Answer: <em><u>Less Than</u></em></h2>

Step-by-step explanation: 7^2 = 49, but 3^4 = 81. 49 < 81

7 0
2 years ago
Read 2 more answers
What is (2+y)³ written out?
Aleksandr-060686 [28]
{ \left( 2+y \right)  }^{ 3 }\\ \\ =\left( 2+y \right) \left( 2+y \right) \left( 2+y \right) \\ \\ =\left( 2+y \right) \left( 4+4y+{ y }^{ 2 } \right)

\\ \\ =2\left( 4+4y+{ y }^{ 2 } \right) +y\left( 4+4y+{ y }^{ 2 } \right) \\ \\ =8+8y+2{ y }^{ 2 }+4y+4{ y }^{ 2 }+{ y }^{ 3 }\\ \\ ={ y }^{ 3 }+6{ y }^{ 2 }+12y+8
5 0
3 years ago
If a- 2b +3c =0 prove that a³ -8b³+ 27c²= - 18abc​
inna [77]

Step-by-step explanation:

the answer is in the photo as attached

4 0
3 years ago
Read 2 more answers
If a man take one and a half mins to paint a door how much doors can he paint in seven half hour
sashaice [31]

Answer:

300 doors.

Step-by-step explanation:

1.5 minutes for 1 door.

7.5 hours for 300 doors.

7.5 hours = 450 minutes.

\frac{450}{1.5}=300

7 0
3 years ago
Asap 13 points and show work
Mila [183]
The answer would be 10 it is cheaper you must divide here is my work  


<span>You divide unit per price = 10/$6.75 = $1.48 12/$7.25 = $1.65 Which means 10 units are cheaper</span>
6 0
3 years ago
Other questions:
  • HELP!!! WILL GIVE BRAINLIEST! NEED THIS DONE ASAP
    6·2 answers
  • What is the value of x?<br><br> 160°<br><br> x=<br><br> 10<br><br> 51%
    8·1 answer
  • How many​ 1-ft square tiles would it take to cover the floor of a square room that is 13 ft on each​ side?
    8·2 answers
  • 291.87 irrational or rational
    5·1 answer
  • A social scientist is interested in determining if there is a significant difference in the proportion of Republicans between tw
    10·1 answer
  • I need help with equivalent ratios
    13·1 answer
  • Plz help asap thank you​
    9·1 answer
  • Express the confidence interval 0.444
    5·2 answers
  • Tre's walk from his house to the bus stop is of a mile. He is able to complete the walk each day in of an hour. What is Tre's wa
    15·1 answer
  • Can someone please help me
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!