Answer: There are 8 snake and 3 elephants.
Step-by-step explanation:
Let x= Number of snakes
y= Number of elephants
We know that , snake has no legs elephant has 4 legs.
Then, Total animals = x+y=11 (i)
Total legs = 4y = 12
⇒ y=3 .. (ii)[divide both sides by 4]
Substitute value of y from (ii) in (i) , we get
Hence, there are 8 snake and 3 elephants.
Answer:3.0059 , 3.601 , 3.06
the number with less digits behind the decimal has less value
Answer:
Δ =
VΔ = 4 * 8 = 32
a = (- 4 ± 32) *
a' = 7/2
a''= 9/2
ANSWER:
x³ - 6x² -7x + 60
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8 over 7
Convert the mixed numbers to improper fractions, then find the LCD and combine.
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Joshua wants to buy a flat-screen TV that costs $625. He saves $62.50 each week to buy the TV. In how many weeks will he have enough money to make his purchase?
A. 8
B. 9
C. 10
D. 11
cost of television divided by weekly savings = number of weeks
625 : 62.50 = 10 weeks