Answer:the number is 25
Step-by-step explanation:
2a-7=43
Collect like terms
2a=43+7
2a=50
Divide both sides by 2
2a/2=50/2
a=25
0.15 as a fraction would be 3 over 20 or 3/20. Hope this helps! Plz mark me as brainliest!!! :)
Answer:
-0.48
Step-by-step explanation:
(-1.2)(0.4)
= - 0.48
Answer:
11
3Step-by-step explanation:
Given
3(x - 1)² + 2x - 7 ← substitute x = 3 into the expression
= 3(3 - 1)² + 2(3) - 7
= 3(2)² + 6 - 7
= 3(4) - 1
= 12 - 1
= 11
