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-Dominant- [34]
3 years ago
14

The mean of 4 women in an office is 27 years old

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0
I'm not completely sure, but I think the answer for the mean would be; 17.

--What I did was 4+4+27+33 
--Then I divided the answer by 4, because that's how many numbers in the group.

Hope this helps!
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The numbers of cars (c) in the parking lot increases when the parking fee (f) decrease. Write the correct equation for this scen
vodka [1.7K]
So when one goes up, the other goes down. This is an inverse equation.

An inverse equation looks like this: y = 1/x

In this case, when parking fee (f) decreases, cars (c) increase.
You know which side to put each variable on using the chart they gave you.
f         | c
20.00  15        (20.00 = x/15) x=300
30.00  10        (30.00 = x/10) x=300

So your equation in this case is f = 300/c
Knowing that, plug in the fee of 6.00

6 = 300/c   Multiply both sides by c.
6c = 300    Divide both sides by 6.
c = 50 cars

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3 years ago
A liquid substance was left at the scene of the crime. Krisann uses a beaker that measures to the nearest tenth of a liter and f
AVprozaik [17]
4.85 <= x < 4.95 .  does not intersect x > 5.No it does not need to be sent to the lab. B.
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8 0
3 years ago
Write an equation of a line parallel to the line
Airida [17]

Answer: y = -2x - 5

Step-by-step explanation:

The condition for parallelism is that m1 = m2 ie, the gradient of the two lines must be equal.

from the equation given,

y =  -2x  + 8, m1 = -2, therefore m2 = -2. Since the two line passes through the coordinate of (-1, -3 ) , we substitute  for x and y in the equation of a line

y = mx + c to get the value of  , the y - intersect.

-3 = -2 x -1 + c

-3 = 2 + c

solve for c

c = -3 - 2

c = -5.

now , to have the equation of the line , we put c = -7 into the equation

y = mx + c

y = -2x  - 5

Therefore the equation of the line parallel to the line

y = -2x + 8 is

y = -2x - 7

4 0
4 years ago
(15points) Please help me with this bonus!! I really need help!!
jeka57 [31]

Solve each equation separately:

(-1, 3) Has to be a point that fits both equations

y = 2x + ____

Plug in Values:

3 = 2(-1) + ____

3 = -2 + ____

___ = 5

First Blank: 5

y = ___x - 1

Plug in Values:

3 = ___(-1) - 1

4 = ___(-1)

___ = -4

Second Blank: -4

7 0
3 years ago
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Let f(x)= 13x + 7 and (x) = x^2-3x find ( f+g)(x)​
padilas [110]

Answer:

648,294,565,652

Step-by-step explanation:

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3 years ago
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