21x+1+14x+4=180
35x+5=180
35x=175
X=5
21(5)+1
105+1
Answer
Answer:
t=5
Step-by-step explanation:
∵ (t,17) lies on (x,y) plane y=x²-3x+7,t>0
∴ 17=t²-3t+7
t²-3t+7-17=0
t²-3t-10=0
t²-5t+2t-10=0
t(t-5)+2(t-5)=0
(t-5)(t+2)=0
t=5,-2
t>0
so t=5
Answer:
Step-by-step explanation:
Cross multiply and get:
L = 5w
L = 5w/
W = L/5
Answer: you're right, it is D.
Step-by-step explanation:
Answer:
5300
Explination:
3 × (10 × 10) + 5 × (10 ×10 × 10) = 5300
oder of operation, this is the order you do an equation.
Brakets first ( )
Exponets 'power of'
Devision ÷
M multiplication ✖
A addition ➕
S subtraction ➖
