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1 year ago

Which of the following is the solution to | x1-5 ≤ -13?

Mathematics

2 answers:

e-lub [12.9K]1 year ago

7 0

Answer:

Step-by-step explanation:

$\textsf {Given :}$

$\mathsf {x - 5 \leq -13}$

$\textsf {Add 5 to each side of the inequality : }$

$\mathsf {x - 5 + 5 \leq -13 + 5}$

$\mathsf {x \leq -8}$

Monica [59]1 year ago

5 0

B is the answe to this

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Suppose a tub has the shape of an elliptical paraboloid given by z = ax2+by2 (where a, b are some positive constants). If a marb

Umnica [9.8K]

Answer:

It would roll in this direction.

$\nu = (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})$

Step-by-step explanation:

It would roll to the direction of maximum decrease, which is the -1 times the direction of maximum increase, which is given by the gradient of the function.

Since

$z = ax^2 + by^2$

For this case, the gradient of your function would be

$\nabla z = (2ax , 2by)$

And -1 times the gradient of your function would be

$-\nabla z = (-2ax , -2by)\\$

Then, at

$(1,1,a+b),\\x = 1 \\y = 1$

So it would go towards

$v = (-2a,-2b)$

The magnitud of that vector is

$|v| = 2\sqrt{a^2+b^2}$

and to conclude it would roll in this direction.

$\nu = (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})$

6 0

2 years ago

Please show all your work!!!

Alex73 [517]

Answer:

y= -6/5x -3

Step-by-step explanation:

So for now lets bring it into mx + b format

Subtract 6x from both sides to isolate y which is also called subtraction property of equality.

so 5y = -6x -15

Now you divide both sides by 5 which is called division property of equality.

You now have y = -6/5x - 3

y= -6/5x -3 is the slope intercept form of the standard form equation of 6x + 5y = -15.

Hope this helps!

3 0

2 years ago

Divide the following problem by hand (long division). Report your answer as a decimal (not remainder). (Show your work).

Agata [3.3K]

Answer:

122.88

Step-by-step explanation:

122.88 sorry I forgot how to show all the work I love my calculator but hopefully the answer you need will help.

4 0

2 years ago

What is the solution to the equation x + 7.5 = 21.5? A.x = 2.9 B.x = 7.8 C.x = 14 D.x = 29

dedylja [7]

X+7.5=21.5
Subtract 7.5 from both sides
X=14 which is C
hope this helps good luck have a nice day

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2 years ago

Read 2 more answers

Quadrilateral ABCD is translated 7 units down and 2 units to the right. The length of side AB of the original quadrilateral is u

Phoenix [80]

Answer

AB would be the same as the original because the size never changes.

Step-by-step explanation:

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2 years ago