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Pie
3 years ago
13

Pinks vary inversely as yellows cubed. When there are 250 pinks, there're 5 yellows. How many pinks are present when there're 25

yellows?
Mathematics
1 answer:
Solnce55 [7]3 years ago
5 0

~Hello There!~

we can write this into an equation:

p = \frac{k}{y^{3} }

250 = \frac{k}{5^{3} }

Multiply both sides by 125.

31250 = k

p = \frac{31250}{25^{3} }

p=2

In short, the answer is 2.

Hope This Helps You!

Good Luck :)

Have A Great Day ^_^

- Hannah ❤

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X + y = 1.....multiply by -2
2x - 3y = -30
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-2x - 2y = -2 (result of multiplying by -2)
2x - 3y = -30
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-5y = -32
y = -32/-5
y = 32/5 or 6.4 <===

7 0
4 years ago
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9.33333333333, or 9, or 9.3

Step-by-step explanation:

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3 years ago
Tickets at a particular movie theater have different rates for adults and children. On Friday, the theater sold 4 adult tickets
Thepotemich [5.8K]

Answer: The price for the adult tickets is $12 and the price for the child ticket is $5.

Step-by-step explanation:

Let the price for the adult ticket be x

Let the price for the child ticket be y

According to question, On Friday ,

4x+7y=83

and on next day,

5x+6y=90

Now, we will use "Substitution Method" to solve the system of equations :

5x+6y=90\\\\5x=90-6y\\\\x=\frac{90-6y}{5}

so, we will put the value of x in the first equation i.e.

4x+7y=83\\\\4(\frac{90-6y}{5})+7y=83\\\\360-24y+35y=83\times 5\\\\35y-24y=415-360\\\\11y=55\\\\y=\frac{55}{11}\\\\y=5

Now, put the value of y in the equation that is given by

x=\frac{90-6y}{5}\\\\x=\frac{90-6\times 5}{5}\\\\x=\frac{90-30}{5}\\\\x=\frac{60}{5}\\\\x=\$12

Hence, the price for the adult tickets is $12 and the price for the child ticket is $5.


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3 years ago
What is the equation of the line that passes through the point (4, -8) and has a<br> slope of -12
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8 0
3 years ago
3. You sell storm windows and doors. You receive a straight
lys-0071 [83]

Answer:

You receive: $3,886.80

Total commission: nearly 11%

Step-by-step explanation:

<u>Windows:</u>

Commission = 8% or 0.08 as decimal

Sold = $5,400

You receive:

\$5,400\cdot 0.08=\$432

<u>Doors:</u>

Commission = 12% or 0.12 as decimal

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You receive:

\$28,790\cdot 0.12=\$3,454.80

Total:

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\$432+\$3,454.80=\$3,886.80

Windows and doors:

\$5,400+\$28,790=\$34,190

Commission:

\dfrac{3,886.80}{34,190}\cdot 100\%\approx 11\%

4 0
3 years ago
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