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3 years ago

Please give the right answer and show work if possible

Mathematics

2 answers:

Katen [24]3 years ago

6 0

Answer: yes

Step-by-step explanation: yes

defon3 years ago

4 0

Answer:

Step-by-step explanation:

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What is the solution to this system of equations?

DanielleElmas [232]

The solution is $x = \frac{-29}{13}, y = \frac{69}{26}$

Solution:

Given system of equations are:

4x + 6y = 7 --------- eqn 1

3x - 2y = -12 -------- eqn 2

Let us solve the system of equations by elimination method

Multiply eqn 2 by 3

9x - 6y = -36 ----- eqn 3

Add eqn 1 and eqn 3

4x + 6y = 7

9x - 6y = -36

( + ) --------------

13x = -29

$x = \frac{-29}{13}$

Substitute $x = \frac{-29}{13}$ in eqn 1

$4( \frac{-29}{13}) + 6y = 7\\\\6y = 7 + \frac{4 \times 29}{13}\\\\6y = \frac{207}{13}\\\\y = \frac{69}{26}$

Thus the solution is $x = \frac{-29}{13}, y = \frac{69}{26}$

6 0

3 years ago

Identify the correct Triangle Congruence Theorem that describes the figure below.

trapecia [35]

Answer:

ASA

Step-by-step explanation:

Don't worry I just know

5 0

3 years ago

17. Explain whether 11t - 4t is equivalent to 4t - 11t.

nydimaria [60]

Answer:

So Equation ( 1 ) is NOT Equivalent to Equation ( 2 )

Step-by-step explanation:

Given:

$11t - 4t$ ..............Equation ( 1 )

$4t - 11t$ ................Equation ( 2 )

To Find:

Whether Equation ( 1 ) is Equivalent to Equation ( 2 )

Support your answer by evaluating the expression for t = 2.

Solution:

For t=2 Equation ( 1 ) we get

$11t - 4t=11(2) - 4(2)=22-8=14$

For t=2 Equation ( 2 ) we get

$4t - 11t=4(2) -11(2)=8-22=-14$

From above we get two different values

So Equation ( 1 ) is NOT Equivalent to Equation ( 2 )

4 0

3 years ago

The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:

rewona [7]

The answer is 5.87x10^14 this is because when you multiply 5870000000000 times 100 you get 5.87x10^14

5 0

3 years ago

find the sum of a 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer be

olasank [31]

Hello,

$u_{1} =4\\
 u_{2} =4*q\\
 u_{3} =4*q^2\\
...\\

 u_{9} =4*q^8\\\\
==\textgreater\ 4*q^8=1024\\
==\textgreater\ q^8=256\\
==\textgreater\ q=2\mbox{( and there is a problem in the question) } \ or \ q=-2\\
if\ q=2 \ then\ \sum_{i=0}^{8}\ 4*(2)^i= 4*\dfrac{1-2^9}{1-2} =2044\\

if \ q=-2 \ then\ \sum_{i=0}^{8}\ 4*(-2)^i= 4*\dfrac{1-(-2)^9}{1+2} =684\\



$

Answer B (but see the problem)

7 0

3 years ago

Read 2 more answers