Toni attempted to solve an equation but made an error. What is her error, and which step did she make it in? 2x-3(1-x)+7= -5x st
ep 1. 2x -3 -3x+7= -5x step 2. -x(-3) +7 =-5x step 3. -x+4 =-5x plz help asap!! :)
2 answers:
In step 2 she made a mistake of not having a positive sign for 3x because if you multiply -3 and -x that would end up as +3x
Answer:
The error is in step 1. −3 times −x is 3x, not −3x.
Step-by-step explanation:
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Step-by-step explanation:
F(x) = (x + 7)³
= 3C0 * x³ + 3C1 * x² * 7 + 3C2 * x * 7² + 3C3 * 7³
= x³ + 21x² + 147x + 343.
Answer:
I think 60
Step-by-step explanation:
1.534
2.168
3.230
4.408
5.78
6.642
7.3
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9.1900
10.8 times (40 plus 5)
Chelsea has 55 art brushes. She has this manu because Monique has 5 necause 11x5 is 55. 55 plus Monique's 5 is 60 brushes in total. Have a nice day :)
N² - 49 = 0
<u> + 49 + 49</u>
n² = 49
n = <u>+</u>7
The solution to the problem is {7, -7}.
