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nirvana33 [79]
1 year ago
13

The standard deviation is used in conjunction with the.

Mathematics
1 answer:
Svetlanka [38]1 year ago
4 0

Answer:

it's used in conjunction with variance

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Determine the slope PLS HELP AND HURRRRRRYYYYYYYYYYYYY
levacccp [35]

Answer:

You see where ANY two intersection of the line touch the grid. Then you do the rise/run (y/x) method.

The answer is 3/4.

Because it rises 3 times and runs 4 times.

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7 0
3 years ago
Heidi hikes two trails, the Big Trapezoid and the Little Trapezoid. The shorter base of the Big Trapezoid is 2 mi long, while th
Bas_tet [7]
Two trapezoid are similar
so it has some scale factor 
look longer base of a big trap is 8 mi,and longer base of shorter trap is 4mi.
so that is half of big trapezoid.
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3 0
3 years ago
Show your work on a separate sheet of paper then choose one answer choice.<br> 5x - 7 = 4x - 1?
Anestetic [448]

Answer:

x= 6

Step-by-step explanation:

Isolate all variables on their own and numbers on the other

5x -4x +7-7  = -1 +7 +4x -4x

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Solve for x

x = 6

8 0
3 years ago
A manufacturer makes rectangular blankets in several styles and sizes. The outline of a popular blanket in size A is shown below
nikdorinn [45]

Answer:

(10x + 8) is the polynomial expression for the perimeter of the blanket.

Step-by-step explanation:

The height and width of the rectangular blanket are (2x - 3) cm and (3x + 7) cm respectively.

Now, the perimeter of a rectangle having height h and width w is given by  

P = 2h + 2w

⇒ P = 2(2x - 3) + 2(3x + 7)

⇒ P = 4x - 6 + 6x + 14

⇒ P = 10x + 8.

So, this is the polynomial expression for the perimeter of the blanket. (Answer)

6 0
3 years ago
A rope is used to anchor a boat to the shore. The angle of depression from the boat to the water is 40° . The height of the boat
IrinaVladis [17]

Please refer the attached figure for better understanding of the solution

Here we are given that the angle of depression is 40°

And the height of the boat from the water is 25.17 ft

we need to find the length of the rope used which we can take as x

We can see that sin is the ratio that corresponds to the opposite side and the hypotenuse sides of the triangle formed

so we have

sin 40° = \frac{25.17}{x}

x=\frac{25.17}{sin 40}

x=\frac{25.17}{0.6427}

x= 39.16

Hence the length of the rope needed is 39.16 ft

3 0
3 years ago
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