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Anna [14]
3 years ago
7

Find the mean 10.20.30.50

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
4 0

Answer:

27.5 is your mean.

Step-by-step explanation:

To get this, add the figures together and divide by the number of terms.

Marianna [84]3 years ago
3 0

Answer:

The mean is 27.5.

Step-by-step explanation:

Mean: 10 + 20 +30 + 50 = 110/4 = 27.5

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A number divided by 35 has a quotient of 8 with a remainder of 9? What is the number?
marissa [1.9K]

Answer: 311.5


Step-by-step explanation: 35*8.9=311.5

311.5/35=8.9


7 0
3 years ago
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The four digit numeral 3AA1 is divisible by 9. What digit does A represent
dexar [7]

Answer:

A = 2, the number is 3221

Step-by-step explanation:

In order for the number to be divisible by 9, the sum of it's digit has to be divisible by 9.

In our case, 4+A+A+1= 9k where k is an integer. the easiest way happens when k=1

5+2A= 9 \rightarrow 2A=4 \rightarrow A = 2

Higher values of k will likely most work (with k=2 you get A to be a non-integer, which can't work since it's the digit of a number, and with higher values of K you're not getting a number in base 10.

4 0
2 years ago
A town is fencing a rectangular field that is 200 feet long and 150 feet wide. At $10 per foot, how much will it cost to fence t
labwork [276]
Perimeter of a rectangle is

2*width + 2*length

then multiply the perimeter by the cost per foot

2*(150ft) + 2*(200ft)

300ft + 400ft

700ft

700ft * $10/ft

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6 0
3 years ago
Solve for x. 3(3x - 1) + 2(3 - x) = 0
olga nikolaevna [1]
The equation given in the question is
3(3x - 1) + 2(3 - x) = 0
9x - 3 + 6 - 3x = 0
6x + 3 = 0
6x = - 3
x = - (3/6)
   = - (1/2)
So the value of x as has been determined above is -1/2. I hope the procedure is clear enough for you to understand.<span>You can always use this method for solving problems that are similar in type without requiring any help from outside. </span>



8 0
3 years ago
A line with a slope of 5 passes through the point (0,4). What is its equation in
mezya [45]

The equation of a line is written as y = mx + b, where m is the slope and b is the y intercept.

You are given the slope: 5

The y-intercept is the y value when x is 0, this is also the point given to you (0,4), so the y-intercept (b) is 4.

The equation is y = 5x +4

5 0
3 years ago
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