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soldier1979 [14.2K]
2 years ago
11

Find x if 5, 9, 11, 12, 13, 14, 17 and x have a mean of 12.

Mathematics
1 answer:
andreev551 [17]2 years ago
7 0

Answer: 15

Step-by-step explanation: 5+9+11+12+13+14+17=81

Make an equation based on this and solve for the variable (x)

81+x/8=12

12*8=96

81+x=96

96-81=15

x=15

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Lori is 6 years
Delicious77 [7]

Answer:

12:6

Step-by-step explanation:

6 times 2 because Lori is six and her cousin is twice her age (hope it helps)

7 0
2 years ago
The equation of a line is y = 8x + 2, and the point (3,q) lies on this line.
never [62]

Answer:

q = 26

Step-by-step explanation:

Given the point (3, q ) lies on the line then the coordinates satisfy the equation.

Substitute x = 3, y = q into the equation

q = 8(3) + 2 = 24 + 2 = 26

8 0
2 years ago
Read 2 more answers
Explain how to find 3/4 of 20 using a model. Include a drawing
Igoryamba
Ok so it would be 3/4 times 20
And you would get 15
I would draw a circle that adds up to 100
To do this multiply the 20 five times to get 100
Then multiply the 15 by the same number (5) to get 75
Draw a circle and shade in 75% of it and that is your answer
3 0
3 years ago
Shannon poured 1 1/2 a punch into each of 5 glasses. how much total punch in cups did Shannon pour?
Arlecino [84]

Answer:

7 1/5

Step-by-step explanation:

You said that she poured 1 1/5 pouches in each cup. There are 5 cups, so multiply 1 1/5 by 5.

(e.g)

1 1/5+1 1/5= 3 because 1+1=2 & 1/2+1/2=1 so you add them and get 3

Do that twice and you get 6

then you have 1 one more cup left so add 1+6=7 then add the half 7+1 1/2=7 1/2

Your Welcome

6 0
3 years ago
If the interest earned on an account after 7 years at 6% is $1785 ,what is the initial value
gayaneshka [121]

Answer:

$4250

Step-by-step explanation:

i = prt

or

p = i / rt

where,

i = $1,785

r = 6% = 0.06

t = 7 years

So, we can calculate initial vale by putting the values in above equation;

p = $1,785 / (0.06 x 7)

p = $1,785 / 0.42

p = $4,250

Hence the initial value will be $4250

8 0
3 years ago
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