4 years ago

How do I solve this if there are only 2 numbers

Mathematics

1 answer:

sashaice [31]4 years ago

4 0

$\frac{12}{k}=\frac{24}{k}\\
k\not=0\\
24k=12k\\
12k=0\\
k=0\\\\
\boxed{k\in\emptyset}
$

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Can someone explain this please?

Greeley [361]

$\left( 8 \times 10^{-5}\right)\cdot \left( 5 \times 10^{-6}\right)\\ \\ =\left( 8 \times 5\right)\cdot \left( 10^{-5} \times 10^{-6}\right)$

1) first do the integer part $\left( 8 \times 5\right)=40$

2) then do the exponent part $\left( 10^{-5} \times 10^{-6}\right)$ = ???

3) Once you do the first two steps... adjust your answer to scientific notation...

3 0

3 years ago

The local ice cream shop surveyed their costumers to see wich flavor of ice cream is most popular.125 people chose chocolate as

svlad2 [7]

Answer: The total costumers were surveyed = 500

Step-by-step explanation:

Let x = total costumers were surveyed.

Given : 125 people chose chocolate as their favorite flavor, which represents 25% of the costumers surveyed.

25% of x = 125

$\Rightarrow\ \dfrac{25}{100}\times x = 125\\\\\Rightarrow\ \dfrac{1}{4}x=125\\\\\Rightarrow\ x=125\times4\\\\\Rightarrow\ x= 500$