Answer: He has to save at least $420 .
Step-by-step explanation:
Hi, to answer this question we have to write an inequality using the information given:
The amount he has already saved (75) plus the money he still needs to save (x) must be higher or equal to the cost of the Smartphone and accessories.
75 +x ≥ 495
Solving for x:
x ≥ 495-75
x ≥ 420
He has to save at least $420.
Answer:4.5 x 2
Step-by-step explanation:
4.5 x 2 = 9
Hope it helps
Step-by-step explanation:
log <base a> b = x
means
a^x = b
So
3^2 = x^2+7x+21
x^2 + 7x + 21 - 9 = 0
x^2 + 7x + 12 = 0
(x+3)(x+4)
x = -3 or -4
Answer: $4.00
Step-by-step explanation: 56 ronded to to the nearest hundredths equal to 100. 1+3=4
