MATHEMATICS MIDDLE SCHOOL

Determine the mean/
average of
5, 7, 10, 9,0

Answers

Answer 1
Answer:

Answer:

6.2

Step-by-step explanation:

To determine the mean/average of 5,7,10,9,0 you would first need to add up all the numbers

5+7+10+9+0= 31

then divide by the amount of numbers you used which is 5 which equals 6.2
Answer 2
Answer:

Answer:

The mean is 6.2

I added all of the numbers together to get 31, than you divide it by how many numbers there was,5, then u end up with your mean : 6.2

Step-by-step explanation:

Hope this helps a lot! Plz mark brainliest

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Find the sum, 8/10 plus 9/100

Answers

8/10 + 9/100
4/5 + 9/100
(4 × 20) / (5 × 29) + 9/100
80/100 + 9/100
(80 + 9) / 100
89/100

The answer is: 89/100 or 0.89.

find the sum, 8/10 plus 9/100

The answer is 89/100

What is 1/8 divided by 2

Answers

1/8 divided by 2

Keep the first fraction ⇒   1/8

Change the sign  ⇒    ×

Flip the fraction (reciprocal)   ⇒   1/2

Now multiply 
↓↓↓↓↓↓↓↓↓

1/8 * 1/2 = 1/16

Answer:  1/16

a business logo consists of a rectangle and a triangle. The area of the triangle is 36 square units and the area of the rectangle is 54 square units. What percent of the total area of the logo is the area of the triangle?F. 35%G. 65%H. 40%J. 45%

Answers

It is already given in the problem that the area of the triangle logo is 36 square units and the area of the rectangle is 54 square units. Considering that there are no additional places in the logo except the triangle and the rectangle, we have to determine the percentage of the total area of the logo covered by the triangle.
NOw
Total area covered by the triangle and the rectangle logo = (36 + 54) square units
                                                                                           = 90 square units
Then
The percentage area covered by the triangle logo = (36/90) * 100 percent
                                                                                 = (36/9) * 10 percent
                                                                                 = (4 * 10) percent
                                                                                 = 40 percent
So 40 percent is the area covered by the triangle logo.So option "H" is the correct option in the given problem.
                                                                                

Evaluate the expression, using the given value of the variable. z ÷ 2 – 4z + 3(z – 3) when z = 8     A. –17   B. –13   C. –7   D. –1 

Solve for x. 3 • 4 – 3 • 7 = 3(x – 7)   A. 4   B. –10   C. 6   D.         -3

                                                                                                             

Answers

z : 2 - 4z + 3(z - 3)= z\cdot (1)/(2) - 4z + 3 z - 9= -(1)/(2)z -9 \n \n z= 8 \n \n-(1)/(2)z -9 =-(1)/(2) \cdot 8 -9 =-4-9=-13 \n \n Answer : \ B. \ \ -13



3 \cdot 4 - 3 \cdot 7 = 3(x - 7) \n \n 12-21 =3x-21\n \n3x =12-21+21\n \n3x=12 \ \ /:3\n \n x=4 \n \n Answer : \ A. \ \ 4

What is 14+56 times 99 /144

Answers

Well 14 + 56 = 70 and 70 x 99/144 = 48 1/8 so your answer is 48 1/8
Hope this helps:)
14 + 56 = 70

70 x 99/100 = 69.3 

Determine whether the figure is a right triangle. a right triangle contains one 90 degree angle. Justify your answer with slopes. ( question 16)

Answers

If the slopes of two lines are opposite reciprocals of each other, then the lines are perpendicular. This means the angles formed are 90°. To prove this triangle is a right triangle, the opposite and adjacent side must have opposite reciprocal slopes.

Opposite Side:
m= (y2-y1)/(x2-x1) \n \n m= (-3-1)/(-2+5) \n \n m=- (4)/(3)

Adjacent Side:
m= (y2-y1)/(x2-x1) \n \n m= (-3-2)/(-2-4) \n \n m= -(5)/(6)

Since their slopes are not opposite reciprocals, we know that this is not a right triangle.
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