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kifflom [539]
3 years ago
14

8,-67, -99, -91, -59, -81, 46 find the average of the following set of integers

Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

Answer:

The average is -49.

Step-by-step explanation:

You add all numbers and then divide by the numbers that your adding:

8+-67+-99+-91+-59+-81+46= -252

-252/7= -49

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A triangle has 2 angles that each measure 66°.
Montano1993 [528]

Answer: B. Isosceles Triangle

Step-by-step explanation:

isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having two and only two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case.

4 0
3 years ago
A square is inscribed in a circle that has a radius of 2 cm. What is the length of one side of the square?
dybincka [34]
So it must have side length √<span>16 = </span>4 cm<span> and diagonal  </span>length                            4√2 cm<span>.</span>
8 0
3 years ago
What is the solution to the following system ?
zvonat [6]

3x+3y+6z=9
x+3y+2z=5
3x+12y+12z=18


Step 1: use Eq 2 to solve for x
x+3y+2z=5
x= -3y-2z+5
Step 2: Solve for y unsing Eq 1
3x+3y+6z=9
3y= -3x-6z+9
y= -x-2z+3

Step 3: plug in x= -3y-2z+5 to solve for the value of y
y=-x-2z+3
y= (-1)(-3y -2z +5) - 2z+3
y= 3y+2z-5- 2z+3
-2y= -2
y=1

Step 4: plug y= 1 into the x= equation 
x= -3y-2z+5
x= -3(1)-2z+5
x= -2z+2
Step 5:Plug y= 1 and x= -2z+2 into the 3rd equation to solve for z
3x+12y+12z=18
12z= -3(-2z+2)-12(1)+ 18
12z= 6z - 6 - 12 +18
6z= -18+18
6z=0
z=0

Step 6: Plug z in to solve for x
x=-2z+2
x= (-2)(0)+2
x= 2

ANSWER:
x,y,z = 2,1,0
answer choice C

4 0
3 years ago
Write an expression for 40% of 25
Montano1993 [528]

For this case we must find an expression to find 40% of 25. So, we make a rule of three:

25 -----------> 100%

x -------------> 40%

Where "x" represents the amount that determines 40% of 25.

x = \frac {40 * 25} {100}\\x = 10

40% of 25 is 10. And an expression to find it is:

x = \frac {40 * 25} {100}

Answer:

x = \frac {40 * 25} {100}


8 0
3 years ago
Read 2 more answers
−2x = 4y + 6 2(2y + 3) = 3x − 5 What is the solution (x, y) to the system of equations above
Wewaii [24]

Answer:

(1;-2)

Step-by-step explanation:

x=-2y-3

2(2y+3)=-6y-9-5

10y=-20

y=-2

x=4-3=1

6 0
3 years ago
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