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Pie
2 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]2 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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What is the justification for each step in solving the inequality? -5(4x+6<-18x+6+4x
Daniel [21]
Hi there!

Everything looks correct except for the step to get to -6x < 36. Here you put multiplication property of order, and to get here you have to add 30 to both sides, so it would actually be the addition property of order.

I hope I helped!
5 0
2 years ago
2x + 6y= 8<br> 4x + 12y = 16
Korolek [52]

Answer:

x=0 , y=0

Step-by-step explanation:

2x +6y= 8 .....eqn 1

4x +12y= 16....eqn2

we multiply eqn 1 by 2.. because we want at least one variable to have the same coefficient so we can simply.

2x +6y =8... ×2

will give you 4x +12y = 16....eqn 3

so now we subtract eqn 2 from eqn 3

4x + 12y= 16

- 4x + 12y = 16

_____________

0 + 0 = 0

therefore x = 0 and y= 0

3 0
2 years ago
Shelly is buying shoes online and computes that she has enough money to buy 5.91 pairs of shoes.
Anna11 [10]

Answer:

5

Step-by-step explanation:

This is because she cannot buy 5.91 pairs of shoes and she doesn't have enough money to buy exactly 6, so you must round it down to 5.

5 0
3 years ago
2. A number a is fewer than -6 or no less than - 3 .
damaskus [11]

Answer:

a<-6 or a≤-3

Step-by-step explanation:

5 0
3 years ago
Solve using log<br> Help would be much appreciated
Rom4ik [11]

Answer:

5.2812

Step-by-step explanation:

10^{x-3.6}-7=41

Add 7 to both sides:

\implies 10^{x-3.6}=48

Taking logs of base 10:

\implies \log_{10}10^{x-3.6}=\log_{10}48

Apply log rule  \log a^b=b \log a:

\implies (x-3.6)\log_{10}10=\log_{10}48

Apply log rule \log_aa=1:

\implies (x-3.6)\times 1 =\log_{10}48

Simplify and solve:

\implies x-3.6=\log_{10}48

\implies x=\log_{10}48+3.6

\implies x = 5.281241237...

4 0
2 years ago
Read 2 more answers
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