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3 years ago

Combine like terms. 5x + 2x

Mathematics

2 answers:

Luden [163]3 years ago

8 0

Answer:

Step-by-step explanation:

5x + 2x = (5 + 2)x = 7x..

borishaifa [10]3 years ago

3 0

Answer: 7x

Explanation: In order for you to be able to add two terms together, you have to have a situation like you do in this problem, 5x + 2x.

Since both terms contain an x, you can add them together.

So 5x + 2x simplifies to 7x.

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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

3 years ago

WILL GIVE BRAINLIST explain how to find the difference using counters 5-8= _____

egoroff_w [7]

Answer:

-3

Step-by-step explanation:

Just subtract it like it was the other way around then add a minus (-)

8 0

3 years ago

Read 2 more answers

Dentify the location of the values square root of 10, square root of 13, and twenty two ninths on the number line.

Goshia [24]

A number line is a system that shows the location of all directed numbers on a straight line. All numbers can be plotted on a number line. Thus the required answer to the given question is; Option A. Point A is twenty-two ninths, point B is square root of 10, and point C is square root of 13.

A line on which the locations of all directed numbers can be shown is termed a number line. It has two extreme ends ranging from -∞ to +∞. Note that all numbers can be plotted on a number line. So that the position of any given number can be shown on the line.

In the given question, we have:

i. square root of 10 = $\sqrt{10}$

= 3.2

ii. square root of 13 = $\sqrt{13}$

= 3.6

iii. twenty-two ninths = $\frac{22}{9}$

= 2.4

But it has been given that;

Number line with points plotted at; two and four-tenths labeled point A, three and two-tenths labeled point B, and three and six-tenths labeled Point C.

Therefore,

Point A is twenty-two ninths, point B is square root of 10, and point C is square root of 13.

Thus the correct option is A.

For more clarifications on number line visit: brainly.com/question/22567573

#SPJ1

6 0

2 years ago

The total mass of 500 crayons is 1 kilogram. What is the mass of each crayon in grams?

Hitman42 [59]

Answer:

2 grams

Step-by-step explanation:

1 kilogram is 1000 grams

1000 grams / 500 crayons = 2 grams each

3 0

3 years ago

Please help me!!!!!!!

kvasek [131]

The minimum of a graph is where the curve of the parabola is at its lowest point. On this graph the minimum looks to be at (-2, -2), but make sure that is where the curve is lowest.

7 0

3 years ago