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cupoosta [38]
3 years ago
6

18. 64° 34 9 Is this correct

Mathematics
1 answer:
madreJ [45]3 years ago
8 0

Answer:

yes

Step-by-step explanation

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This is due today, please help!!! I will give brainliest.
WINSTONCH [101]

Answer:

Step 1, all the exponents are increased by 4

Step-by-step explanation:

The first incorrect step occurred in Step 1, where all the exponents were increased by 4.

This is mathematically incorrect due to exponential rules. When distributing exponents inside parentheses, we have to multiply the existing exponents inside the parentheses by the exponent outside the parentheses.

For example, (x²)³ is not x²⁺³, but rather, x⁽²⁾⁽³⁾.

We multiply the exponents instead of adding them together.

Therefore, the correct Step 1 should multiply all the variables' exponents by 4.

Steps 2 and 3 are correct since we do add the exponents when multiplying exponents with the same base, and we do subtract exponents with the same base when dividing.  

6 0
3 years ago
Refer to the sample data for​ pre-employment drug screening shown below. If one of the subjects is randomly​ selected, what is t
RoseWind [281]

Answer:

0.193877

Step-by-step explanation:

The data given to us is

<em><u>Pre-Employment Drug Screening Results</u></em>

                    Positive test result                 Negative test result

                    Drug Use Is Indicated            Drug Use Is Not Indicated

Subject Uses Drugs:            38                                         12

Subject Is Not a drug user: 19                                         29

Now the total of this is = 38+19+12+29= 98

Now the probability of false positive is = 19/98= 0.193877

The <u>Subject Is Not a drug user </u>  would suffer from a false positive. He is not a user and has a positive result.

7 0
3 years ago
the length of a rectangle is 2 inches less than twice its width. If the perimeter of the rectangle is 74 inches, what is the are
schepotkina [342]
If the width is w and the length is l, then 2w-2=l and 2w+2l=72 (using the perimeter equation). Plugging 2w-2 in for l, we get 2w+(2w-2)*2=72 and 6w-4=72. Adding 4 to both sides, we get 6w=76. After that, we divide both sides by 6 to get 74/6=w. Since l=2w-2=136/6, we get (136/6)(74/6)=656.75=area
5 0
3 years ago
16+ greater or less than+19
saul85 [17]
By 16+ do you mean positive 16 because if you do then it is less than 19+
7 0
3 years ago
Read 2 more answers
The graph shows the charges of an instructor. The instructor charges an initial fee and then an hourly rate of $8.00 an hour for
Butoxors [25]

Answer:

$20.00

Step-by-step explanation:

I took a test and got it correct.

4 0
3 years ago
Read 2 more answers
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