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arlik [135]
3 years ago
5

if mean= 20 and sum of data =120 then calculate the total number of data. please solve this question i will mark you as Brainlis

t​
Mathematics
2 answers:
iVinArrow [24]3 years ago
8 0

Answer:

the answer is 6...

Step-by-step explanation:

divide

Lera25 [3.4K]3 years ago
3 0

Answer:

Just divide 120 by 20.

Step-by-step explanation:

The answer is 6

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Please help im having problem ​
jeka94

Answer:

24

Step-by-step explanation:

Do i need to explain ??????

3 0
3 years ago
Jared has a wooden board that is 11 ft long. He wants to cut it into 2 pieces so that the longer piece is 4 ft less than 4 times
Kaylis [27]
X+y=11

x is longer than y
x>y
x is 4 less than 4 times y
x=-4+4y

sub back
x+y=11
-4+4y+y=11
-4+5y=11
add 4 to both sides
5y=15
divide both sides by 5
y=3

sub back
x=-4+4y
x=-4+4(3)
x=-4+12
x=8

the pieces are 8ft and 3ft
4 0
3 years ago
Help me find the range of this function please
lara31 [8.8K]

Answer:

{-2, -14, -26, -50}

Step-by-step explanation:

The range of the function is the function evaluated at each point of the given domain. So to find the range of the function we need to find the value of the function for each point in the domain:

- For x = -8

f(x)=-2x-18

f(-8)=-2(-8)-18

f(-8)=16-18

f(-8)=-2

The first value of the range of the function is -2

- For x = -2

f(x)=-2x-18

f(-2)=-2(-2)-18

f(-2)=4-18

f(-2)=-14

The second value of the range is -14

- For x = 4

f(x)=-2x-18

f(4)=-2(4)-18

f(4)=-8-18

f(4)=-26

Th third values of the range is -26

- For x = 16

f(x)=-2x-18

f(16)=-2(16)-18

f(16)=-32-18

f(16)=-50

The fourth and last value of the range is -50

Now we can put all the values of the range together

The range of the function is {-2, -14, -26, -50}

8 0
3 years ago
What numbers add to 10 and multiply to negative 144?
Ilya [14]
The answers would be -8 and 18

-8×18 = -144
-8+18 = 18-8 = 10
4 0
3 years ago
T.j. gave 16 books to the library book sale. this was 1/3 of his books. how many books did t.j. have?
madreJ [45]
(1/3)x =16 (x represents the total number of books he has)
x=48
8 0
3 years ago
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