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tino4ka555 [31]
2 years ago
5

The number 2 in the expression 5 + 2x is called the

Mathematics
1 answer:
Sidana [21]2 years ago
6 0

Changing the coefficient of x to 6 changes the meaning of the expression as 5 is added to 6 times x

Solution:

Given that number 2 in the expression 5 + 2x is called the coefficient of x

We are asked to find what happens when changing the coefficient to 6 changes the meaning of the expression

In the expression,

5 + 2x

This means 5 is added to 2 times x or 5 is added to twice of x

Number 2 is called the coefficient of x

When we change this coefficient to 6, the expression becomes,

5 + 6x

So now the meaning of expression becomes,

5 is added to 6 times x

So changing the coefficient of x changes the meaning of the expression

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What is the density of an object 8g /cm3 and mass is 200g
harkovskaia [24]

Answer:

200/8=25

Step-by-step explanation:

the answer is 25cm^

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2 years ago
Find the height of the triangle: Area of the triangle = 21.6 cm 2 , base=3.6 cm
wlad13 [49]

Answer:

base=3.3=cm

Step-by-step explanation:

9.1 cm

6 0
2 years ago
What is the slope of a line parallel to the line 4x-7y=-14?
Sav [38]

We have 7y = 4x + 14;

Then, y = (4/7)x + 2;

The slope of this line is 4/7;

Because another line is parallel with the first one, the chosen slope is 4/7.

3 0
3 years ago
Show that there do not exist scalar c1 c2 and c3 c1(-2,9,6)+c2(-3,2,1)+c3(1,7,5)= (0,5,4)​
fredd [130]

This is the same as showing the following system of equations doesn't have a solution:

\begin{cases}-2c_1-3c_2+c_3 = 0 \\ 9c_1 + 2c_2 + 7c_3 = 5 \\ 6c_1 + c_2 + 5c_3 = 4\end{cases}

or in matrix form,

\begin{bmatrix}-2&9&6\\-3&2&1\\1&7&5\end{bmatrix}\begin{bmatrix}c_1\\c_2\\c_3\end{bmatrix} = \begin{bmatrix}0\\5\\4\end{bmatrix}

The quickest way to check if there is a solution is to check whether the coefficient matrix is invertible. If its determinant is 0, then it is not invertible.

And the quickest way to show that the determinant is 0 is by observing that the third row is a linear combination of the first two rows:

(-2, 9, 6) - (-3, 2, 1) = (-2 + 3, 9 - 2, 6 - 1) = (1, 7, 5)

So there are indeed no such scalars <em>c₁</em>, <em>c₂</em>, and <em>c₃</em>.

5 0
3 years ago
What is the square root of 200 - the square root of 32
Lady_Fox [76]
\sqrt{200}-\sqrt{32}=\sqrt{100*2}-\sqrt{16*2}=10\sqrt{2}-4{\sqrt{2}=6\sqrt{2}
6 0
3 years ago
Read 2 more answers
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