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motikmotik
3 years ago
14

Combine like terms. 5x + 2x

Mathematics
2 answers:
Luden [163]3 years ago
8 0

Answer:

<h3>7x</h3>

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 <em>x</em>, 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<br><br> explain how to find the difference using counters<br><br> 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 <em>number line</em> is a <u>system</u> that shows the location of all <em>directed numbers </em>on a <u>straight</u> <u>line</u>. All <em>numbers</em> can be plotted on a <em>number line</em>. Thus the required answer to the given question is; Option A. Point A is <em>twenty-two</em> <em>ninths</em>, point B is <em>square root</em> of 10, and point C is <em>square root</em> of 13.

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

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; <em>two</em> and <em>four-tenths</em> labeled point<u> A,</u> <em>three</em> and <em>two-tenths</em> labeled point <u>B</u>, and <em>three</em> and <em>six-tenths</em> labeled Point <u>C.</u>

Therefore,

Point A is <em>twenty-two ninths</em>, point B is <u>square</u> <u>root </u>of 10, and point C is <em>square root</em> of 13.

Thus the correct <u>option</u> 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
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