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Mathematics

1 answer:

Sauron [17]3 years ago

6 0

Do you have a picture?

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Are the answers 200 cm and 1052 cm? Please help!

grin007 [14]

Check the picture below.

so hmmm let's find the distance AC, which is the only one missing for the perimeter.

$\textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies c=\sqrt{a^2 + b^2} \qquad \begin{cases} c=\stackrel{hypotenuse}{AC}\\ a=\stackrel{adjacent}{6}\\ b=\stackrel{opposite}{8}\\ \end{cases} \implies AC=\sqrt{6^2 + 8^2} \\\\\\ AC=\sqrt{100}\implies AC=10~\hfill \underset{Perimeter}{\stackrel{6~~ + ~~8~~ + ~~10}{\text{\LARGE 24}cm}} \\\\[-0.35em] ~\dotfill$

$\textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh \begin{cases} b=base\\ h=height\\[-0.5em] \hrulefill\\ b=6\\ h=8 \end{cases}\implies A=\cfrac{1}{2}(6)(8)\implies A=\text{\LARGE 24}~cm^2$

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1 year ago

How did architecture change during the Middle Ages?

vitfil [10]

Answer:

A.) Buildings became taller and more detailed

Step-by-step explanation:

5 0

2 years ago

What is the solution to |2x-3|<4

denis23 [38]

X would have to be less than 3.5

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3 years ago

Identify a possible first step using the elimination method to solve the system and then find the solution to the system.

scoundrel [369]

$\bf \begin{array}{lcrrrrr} 2x-5y=11&\stackrel{\stackrel{\textit{\large first step}}{\downarrow }}{\times -3}\implies &-6x&+&15y&=&-33\\ 3x+2y=7&\times 2\implies &6x&+&4y&=&14\\\cline{3-7} &&0&+&19y&=&-19 \end{array} \\\\\\ y = \cfrac{-19}{19}\implies \boxed{y=-1} \\\\\\ \stackrel{\textit{substituting on the 1st equation}}{2x-5(-1)=11\implies 2x+5=11}\implies 2x=6\implies x = \cfrac{6}{2}\implies \boxed{x = 3} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill (3~~,~~-1)~\hfill$

4 0

2 years ago

Help I’m really confused and I don’t understand it

Nimfa-mama [501]

Answer:

m∠1 = 47°

m∠2 = 137°

m∠3 = 31°

Brainliest pls :D

5 0

2 years ago

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