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3 years ago

I really need help with this one. Geometry 1.

Mathematics

1 answer:

MariettaO [177]3 years ago

4 0

Wat is the question for wat sorry wat is it

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The value of 2^-3x3^-2

KonstantinChe [14]

Answer:

$\frac{1}{72}$

Step-by-step explanation:

Using the rule of exponents

$a^{-m}$ ⇔ $\frac{1}{a^{m} }$ thus

$2^{-3}$ = $\frac{1}{2^{3} }$ = $\frac{1}{8}$

$3^{-2}$ = $\frac{1}{3^{2} }$ = $\frac{1}{9}$

Then

$\frac{1}{8}$ × $\frac{1}{9}$ = $\frac{1}{72}$

4 0

4 years ago

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Find x when f (x)= 25

Westkost [7]

What is the equation? F(x) is y

4 0

3 years ago

What property is (−6.8+(−5.1))+6.2=(−5.1+(−6.8))+6.2???<br> need help asap

blagie [28]

The property here is the Commutative Property of Addition.

8 0

4 years ago

How do i solve these?

Andrews [41]

Put it in a calculator it will give u the anwser

6 0

3 years ago

Can someone how to get the answer? Thanks! PLEASE HELPpppppppppppppppppppppppp

Over [174]

$\mathrm{If\:}f\left(x\right)=g\left(x\right)\mathrm{,\:then\:}\ln \left(f\left(x\right)\right)=\ln \left(g\left(x\right)\right) \ \textgreater \ \ln \left(6^x\right)=\ln \left(21\right)$

$\mathrm{Apply\:log\:rule}:\ \log _a\left(x^b\right)=b\cdot \log _a\left(x\right) \ \textgreater \ \ln \left(6^x\right)=x\ln \left(6\right)$

$x\ln \left(6\right)=\ln \left(21\right) \ \textgreater \ \mathrm{Divide\:both\:sides\:by\:}\ln \left(6\right) \ \textgreater \ \frac{x\ln \left(6\right)}{\ln \left(6\right)}=\frac{\ln \left(21\right)}{\ln \left(6\right)}$

$Therefore \: x=\frac{\ln \left(21\right)}{\ln \left(6\right)}$

In your case ln means $\frac{log 21}{log 6}$

5 0

3 years ago

Read 2 more answers