Express the vector (-1,5,-6) in R^3 as a linear combination of (2,0,7),(2,4,5) and (2,-12,13).

Solve: 5.6 = 3.1 – 12.5|1 – 0.8x|

galben [10]

Answer:

<h3>There are no solutions.</h3>

Step-by-step explanation:

Questions:

Solve: 5.6= 3.1 – 12.5|1 – 0.8x|

To find:

The value of x.

Solutions:

5.6= 3.1 – 12.5|1 – 0.8x|

First, do switch sides.

$\Longrightarrow:\sf{3.1-12.5\left|1-0.8x\right|=5.6}$

Multiply by 10 from both sides.

$\Longrightarrow: \sf{3.1*10-12.5|1-0.8x|*10=5.6*10}$

Solve.

31-125|1-0.8x|=56

Subtract by 31 from both sides.

$\Longrightarrow: \sf{31-125\left|1-0.8x\right|-31=56-31}$

Solve.

$\Longrightarrow: \sf{-125\left|1-0.8x\right|=25}$

Divide by -125 from both sides.

Solve.

$\Longrightarrow: \sf{\dfrac{-125\left|1-0.8x\right|}{-125}=\dfrac{25}{-125}=\boxed{\sf{No\ solutions.}}}$

Therefore, the correct answer is "D. There are no solutions."

I hope this helps, let me know if you have any questions.

5 0

1 year ago

HELP PLEASE THANK YOU

erastovalidia [21]

Answer:

∠1 = 103°

Step-by-step explanation:

supplementary angle to 136° = 180° - 136° = 44°

∠1 = 180° - 33° - 44° = 103°

5 0

2 years ago

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Please help! Or if someone can explain how to find the answer

VARVARA [1.3K]

Answer:

If the equation is in the form, ax + b = c, where x is the variable, you can solve the equation as before. First “undo” the addition and subtraction, and then “undo” the multiplication and division. Solve 3y + 2 = 11. Subtract 2 from both sides of the equation to get the term with the variable by itself.

Answer: x = 20

All this is exaple hople it help

5 0

3 years ago

Read 2 more answers

-4=12-2x please help me with step by step

TEA [102]

Answer:

x=8

Step-by-step explanation:

-4 = 12 - 2x

when plus 12 goes to the left hand side it changes its sign so,

-4 -12 = -2x

- * - is plus so add 4 and 12 but keep the sign - because 12 is the greatest number and its sign is -

-16=-2x

when -2 comes to the left hand side it changes its from multiplication to division.So,

-16/-2=x

8=x

we will get positive 8 because minus and minus also gets cancel.

6 0

2 years ago

Read 2 more answers

Please help math question !! need range and domain for each picture thank you so much !

Lera25 [3.4K]

Answer: The correct option for figure 1 is (a) and correct option for figure 2 is (b).

Explanation:

Domain is the set of input and range is the set of output.

If a function is defined by f(x), then all the possible values of x is called domain and all the values of f(x) is called range.

In the figure (1) the elements of first set is input(Domain) and the elements of second set is output(Range).

The values of first set are -2,-1,0 and 2, so,

Domain = { -2, -1, 0, 2}

The values of second are -4, -2 and 2, so,

Range = { -4, -2, 2}

In figure (2) the values of x and y are given, the values of x are domain and the values of y are range.

The values of x are -4, -2, 1 and 4, so,

Domain = { -4, -2, 1, 4}

The values of y are -2, 1, 4 and 4,, Since the repetition of elements are not allowed in the set so,

Range = { -2, 1, 4}

Therefore, the option (a) is correct for figure (1) and the option (b) is correct for figure (2).

4 0

2 years ago