Hey guys can you please help. I been on this problem for so long now

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

6 0

tan(70)=12cm/y The tangent of the angle equals the opposite over the adjacent

y=12cm/tan(70) Isolate y and plug into calculator

y = 4.4 cm (Rounded to the nearest tenth)

Umnica [9.8K]3 years ago

6 0

wouldn't it be 7.2 because you have 2 sides which equal 144 and the 2 angles are 90 and 70 and when you subtract them, you get 20. So, 144/20= 7.2. I am just guessing.

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I actually don’t get this and I have a test in 2 days please help what is g(x) and how

nataly862011 [7]

first off, is noteworthy that's the graph of an exponential function, thus the function will be along the lines of g(x) = abˣ , now, what's "a" and "b" values?

well, let's take a peek when x = 0 and x = 1.

$\bf g(x) = ab^x \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} x = 0\\ y = 1 \end{cases}\implies 1=ab^0\implies 1=a(1)\implies \boxed{1=a} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} x = 1\\ y = 4 \end{cases}\implies 4 = ab^1\implies 4=1b^1\implies \boxed{4=b} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill g(x) = 4^x\qquad \qquad \qquad \begin{array}{|c|c|ll} \cline{1-2} x&y\\ \cline{1-2} -2&\frac{1}{4^2}\to \frac{1}{16}\\ -1&\frac{1}{4}\\ 0&1\\ 1&4\\ 2&16\\ \cline{1-2} \end{array}~\hfill$