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LiRa [457]
3 years ago
9

Find the sum: (x + 3) + (4x - 1)

Mathematics
1 answer:
Sliva [168]3 years ago
5 0

Answer:

the answer is 5x + 2. I hoped that worked

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Matthew wants to estimate the mean height of students attending his collage. He records the heigjts of 100 randomly selected stu
Strike441 [17]

Answer:

ned more info

Step-by-step explanation:

5 0
3 years ago
A car salesman had $65,100 in total monthly sales last month. He made $1,953 in commission from those sales.
vitfil [10]

Answer:

Find out the what is the salesman's commission as a percent of his total monthly sales .

To prove

Formula

Percentage = \frac{Part\ value\times 100}{Total\ value}

As given

A car salesman had $65,100 in total monthly sales last month. He made $1,953 in commission from those sales.

Here

Part value = $1953

Total value = $ 65100

Put in the formula

Percentage = \frac{1953\times 100}{65100}

Percentage = \frac{195300}{65100}

Percentage = 3%

Therefore the salesman's commission as a percent of his total monthly sales is 3% .


5 0
3 years ago
Read 2 more answers
(Geometry course question) Explain why it is not possible to construct an equilateral triangle that has
Nutka1998 [239]

Answer:

  √3 is irrational

Step-by-step explanation:

The location of the third point of a triangle can be found using a rotation matrix to transform the coordinates of the given points.

<h3 /><h3>Location of point C</h3>

With reference to the attached figure, the slope of line AC is √3, an irrational number. This means the line AC <em>never passes through a point with integer coordinates</em>. (Any point with integer coordinates would be on a line with rational slope.)

<h3>Equilateral triangle</h3>

The line segments making up an equilateral triangle are separated by an angle of 60°. If two vertices are on grid squares, the third must be a rotation of one of them about the other through an angle of 60°. The rotation matrix is irrational, so the rotated point must have irrational coordinates.

The math of it is this. For rotation of (x, y) counterclockwise 60° about the origin, the transformation matrix is ...

  \left[\begin{array}{cc}\cos(60^\circ)&\sin(60^\circ)\\-\sin(60^\circ)&\cos(60^\circ)\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right]=\left[\begin{array}{c}x'\\y'\end{array}\right]

Cos(60°) is rational, but sin(60°) is not. For any non-zero rational values of x and y, the sum ...

  cos(60°)·x + sin(60°)·y

will be irrational.

As in the attached diagram, if one of the coordinates of the rotated point (B) is zero, then one of the coordinates of its image (C) will be rational. The other image point coordinate cannot be rational.

6 0
2 years ago
What number is 344% of 107
olga55 [171]

Answer:

368.08

So I turn the numbers into fractions so 344% would be 344/100 because percentages are out of 100. Since it is 344% OF 107, you'd put 107 on the bottom of the fraction and the answer will go on top. I multiply the IS with the OF (IS is the top number and OF is the bottom) so you'd multiply 107x344 to get 36808. Since 344 is a percent (out of 100) you have to do divide the answer by 100 to get 368.08

I hope that helps!

8 0
3 years ago
For which value of theta is sine theta = negative 1?
babymother [125]
2endfraction 2 and over the radius
5 0
2 years ago
Read 2 more answers
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