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dimulka [17.4K]
3 years ago
15

Help me for 1????????

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0
To find the mean/data of a set of numbers, add all of the numbers together then divide by the number of numbers there are. 

85+93+80+89+92+93+94+91+79 = 796
796/9 = 88.4444444 which can be rounded down to 88.4

The answer is 88.4. 

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
kvasek [131]3 years ago
5 0
The average score for the entire year is 88.44444, so by rounding down the answer is 88%
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Write an equation of the line that passes through (-3,3) and is perpendicular to the line 2y=8x-6
jok3333 [9.3K]

Answer:

y = (-1/4)x + 9/4

Step-by-step explanation:

2y = 8x - 6

So, y = 4x - 3  (Slope = 4)

Slope of perpendicular line = -1/4

Equation of line:  y-3 = (-1/4)(x-(-3))

                          y-3 = (-1/4)x - 3/4

                             y = (-1/4)x + 9/4

3 0
3 years ago
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djverab [1.8K]

Step-by-step explanation:

The ratio of Ali mass to Williams mass is

6 : 3

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Option 2 is the correct answer

5 0
3 years ago
The school cafeteria sells two kinds of wraps: vegetarian and chicken. The vegetarian wrap cost $1 and the chicken wrap cost$1.8
vfiekz [6]
Let us assume the number of vegetarian wraps made = x
Let us assume the number of chicken wraps made = y
Then
x + y = 70
x = 70 - y
And
x + 1.80y = 98.80
Putting the value of x from the first equation in the second equation, we get
x + 1.80y = 98.80
70 - y + 1.80y = 98.80
0.80y = 28.80
y = 36
Putting the value of y in the first equation, we get
x + y = 70
x + 36 = 70
x = 34
From the above deduction, we can conclude that the number of vegetarian warps sold was 34. I hope the answer has come to your desired help.
6 0
3 years ago
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ohaa [14]

Answer:

The initial value of 600 is larger and larger by 24.

Step-by-step explanation:

First of all a 20% decreased of 600.

So, the new value will be 600(1 - \frac{20}{100}) = 600 \times 0.8 = 480.

Now, then it is increased by 20% i.e. 480 will be increased by 20%.

So, the new value will be 480(1 + \frac{20}{100}) = 480 \times 1.2 = 576.

Therefore, the initial value of 600 is larger and larger by (600 - 576) = 24. (Answer)

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A graph with no breaks in it
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