Answer:
Jesus are you 2 years old the answer is 3.
Step by step:
There is one more girl for every 5 boys, and there is 33 students in total, there is 11 in total for each, and 11 times 3 = 33.
Answer:
The first answer, 3(pi) km^2
Step-by-step explanation:
3 x pi squared determines the area
Answer:
T=4 plz make brainlest answer
Step-by-step explanation:
Monday overall cost 36+5t
Tuesday overall cost 20+9t
36+5t=20+9t
-20 -20
16+5t =9t
-5t -5t
16=4t
t=4
Check
36+5t=20+9t (t=4)
36+20=20+36
It works
Step-by-step explanation:
7.
![7 + \frac{m}{8} = - 2 \\ \frac{m}{8} = - 2 - 7 \\ \frac{m}{8} = - 9 \\ m = - 9 \times 8 \\ = - 72](https://tex.z-dn.net/?f=7%20%2B%20%20%5Cfrac%7Bm%7D%7B8%7D%20%20%3D%20%20-%202%20%5C%5C%20%20%5Cfrac%7Bm%7D%7B8%7D%20%20%3D%20%20-%202%20-%207%20%5C%5C%20%20%5Cfrac%7Bm%7D%7B8%7D%20%20%3D%20%20-%209%20%5C%5C%20m%20%3D%20%20-%209%20%5Ctimes%208%20%5C%5C%20%20%3D%20%20-%2072)
8.
![\frac{ - 1}{5} k + 1 = 11 \\ \frac{ - k}{5} + 1 = 11 \\ \frac{ - k}{5} = 11 - 1 \\ \frac{ - k}{5} = 10 \\ - k = 10 \times 5 \\ - k = 50 \\ k = - (50) \\ = - 50](https://tex.z-dn.net/?f=%20%5Cfrac%7B%20-%201%7D%7B5%7D%20k%20%2B%201%20%3D%2011%20%5C%5C%20%20%5Cfrac%7B%20-%20k%7D%7B5%7D%20%20%2B%201%20%3D%2011%20%5C%5C%20%20%5Cfrac%7B%20-%20k%7D%7B5%7D%20%20%3D%2011%20-%201%20%5C%5C%20%20%20%5Cfrac%7B%20-%20k%7D%7B5%7D%20%20%3D%2010%20%5C%5C%20%20-%20k%20%3D%2010%20%5Ctimes%205%20%5C%5C%20%20-%20k%20%3D%2050%20%5C%5C%20k%20%3D%20%20-%20%2850%29%20%5C%5C%20%20%3D%20%20-%2050)
9.
![- 6 + \frac{1}{3} w = 0 \\ \frac{1}{3} w = 0 + 6 \\ \frac{1}{3} w = 6 \\ w = 6 \div \frac{1}{3} \\ = 6 \times 3 \\ = 18](https://tex.z-dn.net/?f=%20-%206%20%2B%20%20%5Cfrac%7B1%7D%7B3%7D%20w%20%3D%200%20%5C%5C%20%20%5Cfrac%7B1%7D%7B3%7D%20w%20%3D%200%20%2B%206%20%5C%5C%20%20%5Cfrac%7B1%7D%7B3%7D%20w%20%3D%206%20%5C%5C%20w%20%3D%206%20%5Cdiv%20%20%5Cfrac%7B1%7D%7B3%7D%20%20%5C%5C%20%20%3D%206%20%5Ctimes%203%20%5C%5C%20%20%3D%2018)
Answer:
Even function
Step-by-step explanation:
Both powers of x in f(x) = -3x^4 + 7x^2 are even, so f(x) = -3x^4 + 7x^2 is an even function.