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
const2013 [10]
3 years ago
12

Please help me on that question for my Algebra. I don't understand it.

Mathematics
1 answer:
xeze [42]3 years ago
5 0
Replace x with 2 and solve:

3(2)^3 - 4(2)^2 +2-1 = 9

 answer is E none of these

You might be interested in
In January
MaRussiya [10]

Answer:

11 and in june and january flight will being dunking over lebron james so inspiration al

6 0
4 years ago
a contractor estimates that he can paint a house in 5 days using 6 men. if he actually uses 5 men for the job, how many days wil
ankoles [38]
It will take 4 days to paint the house with 5 men
7 0
4 years ago
Read 2 more answers
Help me plz
irakobra [83]

Answer:

I could do 1 and 3

1) 2x-3y=-2 ....1

-

2x+y=14......2

=-4y=-16

y=4

<u>Substitute</u><u> </u><u>(</u><u>y</u><u>=</u><u>4</u><u>)</u><u> </u><u>into</u><u> </u><u>equation</u><u> </u><u>1</u>

2x-3 (4)=-2

2x-12=-2

2x=-2+12

2x=10

×=5

3) 5x+5y=20....1

-

-3x+5y=4......2

=8x=16

x=2

<u>S</u><u>ubstitute</u><u> </u><u>(</u><u>x</u><u>=</u><u>2</u><u>)</u><u> </u><u>into</u><u> </u><u>equation</u><u> </u><u>1</u>

<u>5</u><u> </u><u>(</u><u>2</u><u>)</u><u>+</u><u>5y</u><u>=</u><u>20</u>

<u>10</u><u>+</u><u>5y</u><u>=</u><u>20</u>

<u>5y</u><u>=</u><u>20-10</u>

<u>5y</u><u>=</u><u>10</u>

<u>y</u><u>=</u><u>2</u>

5 0
3 years ago
Read 2 more answers
HELP!!<br><br> -2 1/3 -(-5)=?
andrew-mc [135]
-2 1/3 -(-5)= 8/3
convert the mixed number to an improper fraction (7/3)
4 0
3 years ago
Read 2 more answers
Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a s
Furkat [3]

Answer:

using

Step-by-step explanation:

\sqrt{efx(x - x) \div fx}  \\

5 0
3 years ago
Other questions:
  • Solve the system of equations using the substitution method.
    6·1 answer
  • Use Euler's Formula to find the missing number. vertices:14 Edges:36 Faces:?
    7·2 answers
  • What is the equation of the line, in point slope form, that passes through the points (4,8) and (2,-2)
    5·1 answer
  • Which statement is true about the equation 4.5z = 4.5z – 4.25 + 6.25? (1 point) It has no solution. It has one solution. It has
    9·1 answer
  • Help me pls
    13·2 answers
  • HELLLPPPP!!! THIS IS DUE IN 20 MIN!
    6·2 answers
  • Find the missing side
    11·1 answer
  • Two bugs run along the rectangular frame starting from the same corner. The bug who runs east is 2 inches per second faster that
    11·2 answers
  • How do you solve x^0.5=8
    8·1 answer
  • 5 pounds=. Ounces<br><br><br><br> I need Helpppp
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!