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ICE Princess25 [194]
3 years ago
7

Please answer 2 3 4 and explain how you got your answer I will give brainliest must explain for all 3

Mathematics
1 answer:
olga_2 [115]3 years ago
6 0
2. When you put things in parantheses whatever is outside the parantheses is going to be multiplied so 6 times n + 5. N+5 equals a sum just like in multiplication with a quotient. 3. The terms would be all the numbers and variables in the equation, so it would be C.  4. 3y is a term due to it not being able to combine with any other terms, making it independant.

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(2^(3)*(-2)^(3)*3^(3))/(2^(3*2)*4^(4(-2))*8^(3))=?
TEA [102]

Answer:

-3456

Step-by-step explanation

7 0
2 years ago
Is this the right answer
nevsk [136]
You would have to change it into an improper fraction which you would just subtract 14 from the numerator
5 0
3 years ago
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In degrees, what is the sum of the exterior angles of a square?
Rom4ik [11]
The sum exterior angles of a square are:
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8 0
3 years ago
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According to the WHO report, girls who are 2-years old have a mean head circumference of 47.18cm with a standard deviation of 1.
Verdich [7]

Answer:

1. z = -1.91429

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. 2.7792%

Step-by-step explanation:

1. Relative to the WHO data, what is this girls z-score?

z score formula is:

z = (x-μ)/σ, where

x is the raw score = 44.5 cm

μ is the population mean = 47.18cm

σ is the population standard deviation = 1.40cm

z = 44.5 - 47.18/1.40

z = -1.91429

What does the z score tell us?

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. Using the WHO data in a normal model, what percentage of the girls has a head circumference that is smaller than the girl with Down's Syndrome?

z score = -1.91429

Probability value from Z-Table:

P(z =-1.91429) = P(x<44.5) = 0.027792

Converting to percentage = 0.027792 × 100

= 2.7792%

6 0
2 years ago
I cant write it on here do pls look at the picture i provided ​
liq [111]

Answer:

that is an addition sign  the correct answer is B

Step-by-step explanation:

6 0
3 years ago
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