Answer:
A.
Step-by-step explanation:
< means open circles
x-21<3 x≥21
-x+21<3 x<21
18<x<21 and 21≤x24
so the union of will be 18<x<24
Answer:
11. 10+2r 12.-7v+7 13.1-2b 14. 5n+10 15. 12v 16.-12n 17. 0 18. -4n+10 19. 5b+9 20. 5v-8
Step-by-step explanation:
Sorry I don't have much time. I'll just send you a tip
If you complete all 10 problems, it's a lot of work... you shouldn't send just 5 points or everyone's not going to answer this.
You're lucky because I just answered this. Thanks!
:)
Answer:
im not quite sure on this one but i will do my best to help you. since maria saves 5 per week we multiply that by her earnings from her birthday. 5x50=250. we can also take the 7 dollars julyssa makes every week and multiply that with the product we got with maria. 250x7=1650. hence the answer to ur equation is 1650.
Step-by-step explanation:
if this is wrong i am very sorry i was only trying to help.
Answer:
Step-by-step explanation:
<u>Area formula</u>
- A = 1/2(b1 + b2)h
- A = 1/2(8 + 2.2)*4 = 10.2*2 = 20.4 in²
Answer:
x-30
Step-by-step explanation:
Firstly, you do the first step, which is, 3x-18+4x+12-6x, then you continue simplifying it: 7x-18+12-6x.
Keep it on and on, the next step: x-18+12, add 18 and 12 together you get 30.
So the final answer is x-30
