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3 years ago

HELP ASAP!!!! Need to get grade up

Mathematics

2 answers:

juin [17]3 years ago

6 0

Answer:

Option B and C

Step-by-step explanation:

$5^{-6}$ x $5^{4}$ / $5^{-4}$

$5^{-2}$ / $5^{-4}$ = $5^{2}$

$5^{2}$ = 25

Option B : 25

and C : $5^{2}$

I hope im right!!

Luden [163]3 years ago

4 0

The answer is 25 and 5^2

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3 years ago

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3 years ago

Solve GHI. Round the answer to the nearest hundredth.

Sedaia [141]

Answer:

Part 1) $HI=15\ units$

Part 2)

Part 3) $< I=28.07\°$

The answer is the option A

Step-by-step explanation:

Part 1) Find the measure of side HI

Applying the Pythagoras Theorem

$GI^{2} =GH^{2}+HI^{2}$

substitute the values and solve for HI

$17^{2} =8^{2}+HI^{2}$

$HI^{2}=17^{2}-8^{2}$

$HI^{2}=225$

$HI=15\ units$

Part 2) Find the measure of angle G

In the right triangle GHI

$cos(G)=\frac{GH}{GI}$

substitute the values

$cos(G)=\frac{8}{17}$

$G=arccos(\frac{8}{17})=61.93\°$

Part 3) Find the measure of angle I

Remember that

The sum of the interior angles of a triangle must be equal to 180 degrees

substitute the values

$61.93\°+90\°+< I=180\°$

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4 years ago