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
melisa1 [442]
3 years ago
6

when cai traveled from new orleans, louisiana, to the ozark mountains in arkansas, the elvation changed from 7 ft below sea leve

l to 2314 ft above sea level
Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

so whats the question?

Step-by-step explanation:

You might be interested in
-x=-y+2 and 3y+4=2x solve using matrices
MissTica

\begin{cases}-x=-y+2\\3y+4=2x\end{cases}\implies\begin{cases}x-y=-2\\2x-3y=4\end{cases}

In matrix form, this is

\begin{bmatrix}1&-1\\2&-3\end{bmatrix}\begin{bmatrix}x\\y\end{bmatrix}=\begin{bmatrix}-2\\4\end{bmatrix}

The coefficient matrix has determinant

\begin{vmatrix}1&-1\\2&-3\end{vmatrix}=-3+2=-1\neq0

so it has an inverse, which is

\begin{bmatrix}1&-1\\2&-3\end{bmatrix}^{-1}=\begin{bmatrix}3&-1\\2&-1\end{bmatrix}

Multiply both sides by the inverse matrix:

\begin{bmatrix}3&-1\\2&-1\end{bmatrix}\begin{bmatrix}1&-1\\2&-3\end{bmatrix}\begin{bmatrix}x\\y\end{bmatrix}=\begin{bmatrix}3&-1\\2&-1\end{bmatrix}\begin{bmatrix}-2\\4\end{bmatrix}

\implies\begin{bmatrix}x\\y\end{bmatrix}=\begin{bmatrix}-10\\-8\end{bmatrix}

so that x=-10 and y=-8.

8 0
3 years ago
For the equation 4(2x-4)=8x+k, what value of K will create an equation with infinitely many solutions? Please show steps
strojnjashka [21]
If you use the distributive property, you will multiply 4 by 2x to get 8x and 4 by -4 to get -16.

8x-16=8x+k

If you want infinitely many solutions the equations on both sides of the equal sign need to be the same. So, k would need to be -16.
6 0
3 years ago
Read 2 more answers
If f(x)=x+1 and g (x)=2x^2-2x-1 what is (gof)(x)
BlackZzzverrR [31]

Answer:

e  

f

∘

g

(

x

)

=

2

x

2

−

4

x

−

3

And  

g

∘

f

(

x

)

=

(

2

x

−

3

)

(

2

x

−

5

)

Step-by-step explanation: f

(

x

)

=

2

x

−

3

g

(

x

)

=

x

2

−

2

x

=

f

(

g

(

x

)

)

=

f

(

x

2

−

2

x

)

=

2

(

x

2

−

2

x

)

−

3

=

2

x

2

−

4

x

−

3

g

∘

f

(

x

)

=

g

(

f

(

x

)

)

=

g

(

2

x

−

3

)

=

(

2

x

−

3

)

2

−

2

(

2

x

−

3

)

=

(

2

x

−

3

)

(

2

x

−

3

−

2

)

 

=

(

2

x

−

3

)

(

2

x

−

5

)

f

∘

g

(

x

)

≠

g

∘

f

(

x

)

3 0
2 years ago
Read 2 more answers
What is the result of subtracting the second equation from the first? <br> -4x-2y=-2<br> x-2y=9
diamong [38]

Answer:

x=2.2

y=-3.4

Step-by-step explanation:

subtract the second from the first

-5x=-11

x=2=2

substituting by x in the first equation

so y=-3.4

6 0
3 years ago
What is the volume of the prism
almond37 [142]

The volume of a rectangular prism or cube is: Length × Width × Height

In this case,

- the length of the prism is 2 feet

- the width of the prism is 1.5 feet

- the height of the prism is 1.5 feet

Multiply the above to find the volume: 2 × 1.5 × 1.5 = 4.5 ft³

Keep in mind that volume is represented in cubic units!

4 0
3 years ago
Read 2 more answers
Other questions:
  • Fill in the blanks to write the number 9.175 in expanded form: 9.175 = 9 + 0.1 + blank + blank
    8·2 answers
  • The Marine Corp is ordering hats for all the new recruits for the entire next year. Since they do not know the exact hat sizes t
    12·1 answer
  • Mars inc. says that until very recently yellow candies made up 20% of it's milk chocolate m&amp;m's, red another 20%, and orange
    13·1 answer
  • Describe the general properties of rotations. Include a discussion of the properties of rigid transformations, and line segments
    6·2 answers
  • Which is the polynomial function of lowest degree
    6·1 answer
  • Each side of a square office is 3 meters long. It will cost $44.14 per square meter to replace
    5·1 answer
  • Which expression is equivalent to ( x<br> 27<br> ვ<br> ?<br> o x*(V)<br> o x?? (2)<br> *24 (/
    6·1 answer
  • How many solutions does the equation<br> 3(2.4x + 4) = 4.1x + 7 + 3.1x have? Explain.
    14·1 answer
  • What rule must be applied when evaluating an expression in which the
    11·2 answers
  • Manda converted the following repeating decimal a fraction. Her work is shown below.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!