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Juliette [100K]
3 years ago
10

Ronnie goes to the racetrack with his buddies on a weekly basis. One week he tripled his money, but then lost $12. He took his m

oney back the next week, doubled it, but then lost $40. The following week he tried again, taking his money back with him. He quadrupled it, and then played well enough to take that much home, a total of $224. How much did he start with the first week?
Mathematics
1 answer:
Tamiku [17]3 years ago
3 0

Answer:

20

Step-by-step explanation:

224÷4 = 56+40 = 96÷2 = 48+12 = 60÷3 = 20

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Michael bought 160 hotdogs were eating competition he spends $240 an hour how much did each hotdog cost
geniusboy [140]

Answer:

$1.50

Step-by-step explanation:

1. we know that its $240 per 160 hot dogs

2. make that a ratio - 240:160

3. simplify the ratio so that the amount of hot dogs is at one (so divide both sides by 160)

4. so 240/160 = 1.5 .   160/160 = 1

5. 1.5:1

6. so for every one hotdog, you pay $1.50

4 0
3 years ago
If -5x-8 =-18, is x = -2 a solution? show your work
DaniilM [7]
-5x - 8 = -18
-5x - 8 + 8 = -18 + 8
-5x = -10
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7 0
3 years ago
Find the equation of the line containing the points (20,-7) and (10,-2). Type your answer in this order and don't use spaces or
aliina [53]

(\stackrel{x_1}{20}~,~\stackrel{y_1}{-7})\qquad (\stackrel{x_2}{10}~,~\stackrel{y_2}{-2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-2}-\stackrel{y1}{(-7)}}}{\underset{run} {\underset{x_2}{10}-\underset{x_1}{20}}}\implies \cfrac{-2+7}{-10}\implies -\cfrac{1}{2}

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-7)}=\stackrel{m}{-\cfrac{1}{2}}(x-\stackrel{x_1}{20}) \\\\\\ y+7=-\cfrac{1}{2}x+10\implies y=-\cfrac{1}{2}x+3

4 0
3 years ago
Several students measured a 25mm long nail and wrote the measurements shown in the table below. Whose measurement had the greate
Ksivusya [100]
Tenicia (she was the most off)
3 0
3 years ago
Rewrite the expression in the form y^n
bazaltina [42]

Answer:

$ y^6 $

Step-by-step explanation:

$ \frac{a^b}{a^c} = a^{b - c} $

Using this rule we have:

$ \frac{y^{-7}}{y^{-13}}  = y^{-7 -(-13)} = y^6$

6 0
3 years ago
Read 2 more answers
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