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antoniya [11.8K]
2 years ago
15

If the standard deviation of a data set were originally 12, and if each value in

Mathematics
1 answer:
Zanzabum2 years ago
6 0

Answer: 21

Step-by-step explanation:

Take 12 and multiply it by 1.75 (12x1.75) and you’ll get 21

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NEED HELP NOW!!!!!!!
anzhelika [568]

Step-by-step explanation:

the area of a triangle is

baseline × height / 2

the baseline (where the height hits at a 90° angle) is 4 m.

the height is 3.7 m.

so, the area is

4 × 3.7 / 2 = 2 × 3.7 = 7.4 m²

4 0
2 years ago
Y=x+4 y=-2x-2 explain the awnser plz
Sliva [168]

Answer:

x = -2 and y = 2

Step-by-step explanation:

We have the following system of linear equations;

y=x+4

y=-2x-2

To solve the above system, we shall be equating the right hand sides of the two equations since we have y's on the left hand side of both equations;

x + 4 = -2x - 2

add 2x on both sides of the equation;

x + 4 + 2x = -2x - 2 + 2x

3x + 4 = -2

subtract 4 on both sides of the equation;

3x + 4 - 4 = -2 - 4

3x = -6

x = -2

We can use the first equation y=x+4 to determine the value of y;

y = -2 + 4

y = 2

The solution to the system of linear equations is thus;

x = -2 and y = 2

6 0
3 years ago
Solve 20x + 5y= for y
Mama L [17]

Answer:

<h2>y = -4x</h2>

Step-by-step explanation:

Solve 20x + 5y =  for y

20x + 5y = 0

subtract 20x both sides

5y = -20x

simplify:

y = <u>-20x</u>

        5

finally

y = -4x

3 0
3 years ago
Read 2 more answers
A circle has a circumference of 907.46907.46907, point, 46 units. What is the diameter of the circle? units
Ilya [14]
The answer is 289units
8 0
3 years ago
What an expression for 8 times b
Katyanochek1 [597]

Answer:

8b

Step-by-step explanation:

'8 times b' symbolizes 8 being multiplied by 'b'.

Times is a word associated with multiplying.

8 times b can be 8 * b or most ideally, 8b.

Hope this helps!

3 0
3 years ago
Read 2 more answers
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