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gavmur [86]
3 years ago
12

What is P(0.6 ≤ z ≤ 2.12)?

Mathematics
2 answers:
mafiozo [28]3 years ago
4 0
You have to look up in your Z score table.

P( 0.6≤ z≤ 2012) is the probability or area (of the bell shaped curve) between the value of      z = 2.212 & z = 0.6.

To that end for z₁ = 2.12 you find an area = 0.9830  and
                   for z₂ = 0.6 you find an area = 0.7257

Subtract those values  z₁ - z₂ = 0.9830 - 0.7257 = 0.2573

and P( 0.6≤ z≤ 2012) = 0.2573 (0r 25.73%)
lutik1710 [3]3 years ago
4 0

Answer:

26%

Step-by-step explanation:

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Artyom0805 [142]

Answer:

Step-by-step explanation:

It's algebra really, basically make a system of equations.

1b+5j=t

3b+2j=2t

I'm gonna solve the first one for buckets so we have it in terms of jars.

b+5j=t

b=t-5j

Now I plug that into the other equation

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3(t-5j)+2j=2t

3t-15j+2j=2t

Now, since it wants how many jars are in one tub, I want to solve it so there's 1t on one side of the equation and all js on the other.  or it other words solve for t.

3t-15j+2j=2t

3t-13j = 2t

3t = 2t+13j

t = 13j

So it takes 13 jars to make one tub, or one jar is 1/13 of a tub.  You could then plug that in to one of the equations and find how much a  bucket is.  

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3 years ago
Solve the following inequality. -21> -7c
BigorU [14]
Divide both sides by -7, and flip the sign: 3 > c
6 0
3 years ago
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1) What are the solutions of the equation? x^2 – 3x = 28?<br><br> Asap please . 30 points
Sedbober [7]
2-3x=28
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7 0
2 years ago
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The functions f and g are graphed in the same rectangular coordinate system, shown to the right. If g is obtained from f through
german

The first thing we notice is that the function is reflected. So we can start by reflecting it with respect to the x-axis.

We do this by adding a negative sign in the function:

\begin{gathered} f_0(x)=x^2 \\ f_1(x)=-f_0(x)=-x^2 \end{gathered}

Now, we have the function reflected, but in the wrong position. We can track its position by the vertex. It was originally at (0,0) and remains at (0,0) after the reflection.

But the final function have its vertex at (-5,0), so we have to translate the function 5 units to the left. we do this by adding 5 to the x in the function:

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Now, to check if there isn't any dilatation, we can check on other point in the graph to see if it checks out.

In the blue graph, we see the point (-3,-4), so let's input x = -3 and see if it checks out:

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We got y = -4, so it checks out.

Thus, the answer is:

g(x)=-(x+5)^2

3 0
1 year ago
How to solve x+7=3<br> In one step equations
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