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Sunny_sXe [5.5K]
3 years ago
11

Can someone help me with this

Mathematics
1 answer:
storchak [24]3 years ago
4 0

Answer:

                         

Step-by-step explanation:

                   

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What is the difference between 5 and -5
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10

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5 - 5 = 0 You would want to subtract five from zero giving you -5.

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Solve the system of equations.<br> y=x+2<br> y=4x+23<br> Write your answer as<br> X=<br> y=
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3 years ago
A set of art exam scores are normally distributed with a mean of
scZoUnD [109]

Answer:

The percentage of people that scored less than Calvin is 38.21 %

Step-by-step explanation:

In this question, we are concerned with calculating the percentage of exam scores lesser than what Calvin scores.

To calculate this, we first need to calculate the standard score or the z-score of Calvin result.

Mathematically;

z = (x - mean)/SD

from the question, x = 78, mean = 81 and SD = 10

Substituting this, we have

z = (78 -81)/10 = -3/10 = -0.3

So we proceed to calculate the probability.

P(x < 78) or P(z < -0.3)

We make use of the standard table to get this probability

P(z< - 0.3) = 0.38209

In percentage, this is same as 38.209% or more simply 38.21%

8 0
3 years ago
Plzzz help am timed on this
Nesterboy [21]
It's the second answer, 6n + 2
3 0
3 years ago
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