2 years ago

A bell tower casts a 60 cm shadow. At the same time a sculpture that is 4.5 meters tall casts a

Mathematics

1 answer:

leonid [27]2 years ago

8 0

Answer:

I need this one too!

Step-by-step explanation:

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222+203 is rounded up to what?

miskamm [114]

$222: 220 \\ 203 = 200 \\ \\ 222 + 203 = 425 \\ 220 + 200 = 420 \\ \\ \\ \\ Good \\ luck \\ on \\ your \\ assignment \\ \\ enjoy \\ your \\ day \\ \\ \\ MeIsKaitlyn :)$

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$1-5$ would rounded $downward$
$6-9$ would be rounded $upward$

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2 years ago

Please help!!! I will mark best answer!

Kisachek [45]

Answer:

Step-by-step explanation:

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2 years ago

Solve for x<br> logx+log(x-4)=2log5

sleet_krkn [62]

$\log{x} + \log{(x-4)} = 2 \log{5}\\\\
\log{\big(x(x-4)\big)} = \log{5^2}\\\\
\log{(x^2-4x)} = \log{25} \\\\
x^2-4x = 25\\\\
x^2-4x-25=0 \\\\
x = \frac{4 \pm\sqrt{16+100}}{2} \\\\
x = \frac{4\pm2\sqrt{29}}{2} \\\\
x = 2 \pm \sqrt{29} \\\\
\text{But } x > 0 \implies x = 2 + \sqrt{29}$