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svp [43]
3 years ago
14

Mrs. Trout estimated her math class next year would include 28 students. The actual size of the class turned out to be 32 studen

ts. She calculated the percent error in the following way. 28 - 32 = -4 432 = 0.125% Is Mrs. Trout correct? Explain why or why not.
Mathematics
2 answers:
Alja [10]3 years ago
7 0
The answer she has is not correct.
 All the steps she did are correct, except they forgot to convert the decimal answer into the proper percentage by multiplying it by 100.

The correct answer should be 0.125 * 100 = 12.5%
Alik [6]3 years ago
5 0

Answer:

Mrs. Trout set up the ratio correctly, but she forgot to multiply by 100 to get the correct percent.

Step-by-step explanation:

This was the sample response on edge

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hodyreva [135]

Answer:

16a^2b^4

Step-by-step explanation:

<u>GCF= Greatest Common Factor</u>

Given a polynomial, the GCF is the largest polynomial that will divide evenly into that polynomial.

The polynomial is

16a^4b^4 + 32a^3b^5 - 48a^2b^6

First, we find the GCF of the coefficients:

16, 32, 48

Since 32 and 48 are multiples of 16, 16 is the GCF of the coefficients.

Now we select all the repeating variables with their smallest exponent:

a^4, a^3, a^2.\ GCF= a^2

b^4, b^5, b^6.\ GCF=b^4

The GCF of the polynomial is

\boxed{16a^2b^4}

7 0
3 years ago
What is the smallest of 3 consecutive odd numbers if the product of the smaller two integers is 3 less than 6 times the largest
pochemuha

Answer:

7,9,11

Step-by-step explanation:

Let first number is x, second number is (x+2) and third number is (x+4).

ATQ,

The product of the smaller two integers is 3 less than 6 times the largest integer.

x(x+2) = 6(x+4)-3

x² + 2x = 6x+24-3

x² + 2x = 6x+21

x² + 2x -6x -21=0

x²-4x -21=0

It is a quadratic equation whose solution is :

x = -3 and x = 7

First number = 7

Second number = 9

Third number = 11

Hence, this is the required ssolution.

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3 years ago
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2 years ago
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Answer:

7 - ?

Step-by-step explanation:

Write and expression like and you should have a right answer. Hope this helps and good luck :)

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Answer:

(B) i think

Step-by-step explanation:

comment how it help

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