Idon’t understand question number 4! can anyone ?
...
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 30.09.2019 12:30
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mir.png)
World Languages, 30.09.2019 12:30
![question](/tpl/images/cats/biologiya.png)
Biology, 30.09.2019 12:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.09.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 30.09.2019 12:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.09.2019 12:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.09.2019 12:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.09.2019 12:30
![question](/tpl/images/cats/istoriya.png)
History, 30.09.2019 12:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.09.2019 12:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.09.2019 12:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.09.2019 12:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.09.2019 12:30