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expeople1 [14]
3 years ago
7

I’m giving all the points I have, plz help and get it right? Someone please help me

Mathematics
2 answers:
Feliz [49]3 years ago
3 0

Answer:

The area (probability) is: 0.6864.

Step-by-step explanation:

According to the statement, we are in front of a normal distribution with the following parameters:

µ (mean) = 0

σ (Standard deviation) = 1.

Then we need to find the area of the shaded region, which is the area between the points -1.21 < z < 0.84.

And the area (probability) is: 0.6864.

rosijanka [135]3 years ago
3 0

Answer:

A. 0.6864

Step-by-step explanation:

The area of the shaded region between the two z-scores indicated in the diagram is 0.6864.

mean = 0

Standard deviation = 1

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Licemer1 [7]
M2p÷3
3(2)(6)÷3
3 (2)=6
6 (6)÷3
6×6=36
36÷3=12
The expression m2p÷3 equals 12
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3 years ago
What is the volume of this figure
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Hope it helps

3 0
3 years ago
Read 2 more answers
Brainliest
Anna [14]

Answer:

B) A dilation followed by a reflection

3 of our transformations are called isometries. These are transformations that preserve the size and shape of the original figure; they just change the position or orientation of it. Translations, reflections and rotations are all isometries. We know that isometries preserve congruence, since they maintain the size and shape of the original figure.

dilation changes the size of a figure. Since the new figure will not be the same size as the original, they will not be congruent.

<h2>Brainliest!!!!!!</h2>
8 0
3 years ago
What multiples to 42 and adds to -2
solniwko [45]

Answer:

Step-by-step explanation:

xy = 42

x+y = - 2                   Substitute into the top equation

y = -2 - x                   Put in for y

x(-2 - x) = 42             Remove the brackets

-2x - x^2 = 42           Subtract 42 from both sides.

-2x - x^2 - 42 = 0      Put in the more normal order.

-x^2 - 2x - 42 = 0      Multiply by -1

x^2 + 2x + 42 = 0

This cannot be factored. It gives complex roots as it is written. I will give you the answer but I kind of doubt the question is correct.

x1 = - 1 + 6.40i

x2 = -1 - 6.40i

Leave a comment if you have a correction.

4 0
4 years ago
Pls help pls pls pls​
VLD [36.1K]

Answer:

22

74

Step-by-step explanation:

7 0
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