You should start with an equation.
The 'x' represents the week.
so now, we have to subtract 125 from the total amount which is 245.
now we have
to find 'x', we must divide 15 on each side
we are now left with
that means Sierra will have 8 weeks until she has enough money to buy the bike
To solve this questions, we can turn 2 into a fractions.
2 as a fraction is 2/1 (because 2 divide by 1 is still 2)
We can now use this to get our answer.
1/3 ÷ 2/1
= 1/3 × 1/2 (flip the fraction and then multiply)
= 1/6 (1 x 1 / 3 x 6)
Or 0.16666.. as a decimal
I think you're missing a bit of the question. If her savings can be modeled by x...?
Answer:
Total laps = 10d
Step-by-step explanation:
Let c = Carl's laps
d = Daria's laps
e = Erin's laps
c = 3d
c = e/2
c + d + e = totals laps
We can insert 3d in place of c in the third equation
3d + d + e = total laps
Also, e/2 equals 3d
e/2 = 3d
Multiply both sides by 2
(e/2 = 3d)2
e = 6d
Insert the new e
3d + d + 6d = 10d = totals laps
Answer:
-100-4√5
Step-by-step explanation:
Given the polynomial expression
p(x) = x³+x²+√5x + √5
p(-5) = (-5)³+(-5)² + √5(-5) + √5
p(-5) = -125 + 25 -5√5 + √5
p(-5) = -100-4√5
This gives the required answer
