3 years ago

Mariella typed 123 words in 3 minutes.

Mathematics

1 answer:

miv72 [106K]3 years ago

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Watch help video If you place a 13-foot ladder against the top of a 12-foot building, how many feet will the bottom of the ladde

riadik2000 [5.3K]

$\begin{gathered} X\text{ will represent the bottom of the ladder fom the bottom of the building} \\ U\text{sing pythagoras Theorem} \\ (Hyp)^2=(opp)^2+(Adj)^2 \\ 13^2=x^2+12^2 \\ 169=x^2\text{ +144} \\ 169-144=x^2 \\ 25=x^2 \\ x^2\text{ = 25} \\ x\text{ = }\sqrt[]{25} \\ x\text{ = 5foot} \end{gathered}$

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1 year ago

<img src="https://tex.z-dn.net/?f=3x%20-%202y%20%3D%2043x%20%2B%202y%20%3D%208" id="TexFormula1" title="3x - 2y = 43x + 2y = 8"

den301095 [7]

3x - 2y = 8 +

===》 46x = 16

43x + 2y = 8

x = 16/46

x = 8/23

______________________________

3x - 2y = 8

3(8/23) - 2y = 8

24/23 - 2y = 8

2y = 24/23 - 8

y = 12/23 - 4

y = 12/23 - 92/23

y = - 80/23

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2 years ago

Whoever answers I’ll mark brainliest

Vlad1618 [11]

its the first 1. b.

Step-by-step explanation:

nb. b. b b b bcbcbc

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baherus [9]

Answer:

Step-by-step explanation: 0.16

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Find the sum: 26,807 + 58,095 = ______.

aksik [14]

Answer:

84902

Step-by-step explanation:

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