What is 70 %off $70?

Mathematics

2 answers:

alexdok [17]3 years ago

7 0

$p\%=\frac{p}{100}\to70\%=\frac{70}{100}=\frac{7}{10}\\\\70\%\ of\ \$70=\frac{7}{10}\cdot\$70=7\cdot\$7=\boxed{\$49}$

Naddika [18.5K]3 years ago

4 0

Answer:

The answer is 49$

Step-by-step explanation:

First, you should find ten percent, so you divide 70$ by ten and you get 7$. Then, you multiply that by 7, because you want to find 70 percent. You get 49$.

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The terminal side of θ passes through the point (10, 6). What is the exact value of cos θ in simplified form?

seraphim [82]

Answer:

$\frac{5\sqrt{34}}{34}$

Step-by-step explanation:

The formula for cos θ is a/r. A is the first number (10) and b is the second number (6). R is the hypoteneuse which can be found through r = $\sqrt{a^{2} + b^{2} }$ .

In the equation you'd write that as r = $\sqrt{10^{2} + 6^{2}$ which can be simplified to $\sqrt{136$ .

You end up with $\frac{10}{\sqrt{136} }$ and you simplify this by doing $\frac{10 }{\sqrt{136} } * \frac{\sqrt{136} }{\sqrt{136} }$ , ending with the result of $\frac{5\sqrt{34}}{\sqrt{34} }$ .