Answer:
x= [ -10, 1)
Step-by-step explanation:
<u>Given</u>
<u>Solving first one</u>
- −7x−10≤60
- -7x ≤ 70
- x ≥ -10
<u>Solving second one</u>
<u>Combined:</u>
<u>Interval</u>
493 ?????????????????????
Y = 42.5x + 45.....for 5 hrs.....x = 5
y = 42.5(5) + 45
y = 212.50 + 45
y = 257.50 <===
9514 1404 393
Answer:
144
Step-by-step explanation:
Put the value where the variable is and do the arithmetic.
4(t -1)² = 4(7 -1)² = 4(6²) = 4(36) = 144
Answer:
27
Step-by-step explanation:
Pamela is 13 years younger than Jiri and the sum of their ages is 41, therefore (x=Jiri's age) (x-13) + x = 41) 2x-13=41 x=14. Pamela is 14 and Jiri is 27
