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just olya [345]
2 years ago
14

Help please thank you

Mathematics
2 answers:
LuckyWell [14K]2 years ago
7 0

Answer:

hmm i think its

1/2(x + y)

Step-by-step explanation:

because well... this would be eaiser for me if it said "of the" because "of the" is mostly used for multiply, but since it just said "the..." i can only guess. I think this may be the answer tho?

erastovalidia [21]2 years ago
4 0
The equation would be 1/2(x + y).
Due to x and y being the quantity you would simply take one half of that as a whole.
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PLEASE HELP QUICK! 50 POINTS IF YOU HELP!!
babunello [35]

Answer:

Assuming the graphs are abcd, 1 is b, 2 is c, 3 is a, and 4 is d.

Step-by-step explanation:

7 0
2 years ago
a bag contains only a red and blue marbles there are a total of 36 marbles in the back there are five red marbles for every four
Harrizon [31]
Let R and B be the number of red and blue marbles respectively.

Then,
R+B = 36
R:B = 5:4

Therefore,
Ratio of red marbles = 5/9
Ratio of blue marbles = 4/9
This means,
R = 5/9*36 = 20 marbles
B = 4/9*36 = 16 marbles

If one blue marble is removed from the bag, the  new B= 16-1 = 15 blue marbles  and the new total of marbles in the bag = 36-1 = 35 marbles.
The new ratios are
R = 20/35 =4/7
B = 15/35 = 3/7
That is, R:B = 4:3

The reasoning of the student is wrong. When a marble is removed, both the number of blue marbles changes as well as the total of the marbles in the bag. In other words, both the values in the ratio reduce by 1.
7 0
3 years ago
When 8 is added to the number that is produced by doubling the number x, the result is equal to 8 times the number that is 5 les
Natasha_Volkova [10]
Hello. In order to solve this problem, you need to write an equation. Hence, you determine this equation:

8 + 2x = 8(x-5)
8 + 2x = 8x - 40
8 + 40 = 8x - 2x
48 = 6x
x = 8.
3 0
3 years ago
A person places $686 in an investment account earning an annual rate of 3.8%, compounded continuously. Using the formula V = Pe^
kykrilka [37]

Answer:

V = $1213.03

Step-by-step explanation:

We can determine the amount of money after 15 years with the given formula:

V = Pe^{rt}   (1)

Where:

V: is the value of the account in t years =?

P: is the principal initially invested = $686                

r: is the rate of interest = 3.8% = 3.8/100 = 0.038

t: is the time = 15 years

By substituting the above values into equation (1) we have:

V = Pe^{rt} = 686*e^{(0.038*15)} = 1213.03  

               

Therefore, the amount of money is $1213.03.

I hope it helps you!  

6 0
3 years ago
Find the median of the following data:<br> 10,16, 15, 14, 8, 21, 10, 5, 19, 18, 4, 5, 16, 12, 10,9
fgiga [73]

Answer:

The median is 11.

Step-by-step explanation:

First arrange the data in ascending order:

4, 5, 5, 8, 9 , 10, 10, 10, 12, 14, 15, 16, 16, 18, 19, 21

There are 16 numbers so the median is the mean of the middle 2 numbers in the list. That is the  mean of the 8th and ninth number.

Median = 10 + 12 / 2

= 11.

5 0
3 years ago
Read 2 more answers
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