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3 years ago

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What is the greatest multiple of 10 that can be expressed using only the numbers 2,2,3,5 each exactly once, with any or all of t

he operations, +,-,*,divide, exponentiation, parentheses. Express your answer in scientific notation.

1 answer:

Sonbull [250]3 years ago

5 0

Hnvcmmmmmmmmmhgmghcmjyuk7i67ty76ijytyjtd67ie3

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2,783 and 7,283<br><br> The value of 7 in _____ is ____times the value of 7 in ______

ziro4ka [17]

The value of 7 in 7,283 is 10 times the value of 7 in 2,783

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3 years ago

Using the Law of Cosines, in triangle DEF, if e=18yd, d=10yd, f=22yd, find measurement of angle D

Ivahew [28]

Check the picture below.

$\bf \textit{Law of Cosines}\\ \quad \\
c^2 = {{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)\implies 
c = \sqrt{{{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)}
\\\\\\
\cfrac{{{ a}}^2+{{ b}}^2-c^2}{2{{ a}}{{ b}}}=cos(C)\implies cos^{-1}\left(\cfrac{{{ a}}^2+{{ b}}^2-c^2}{2{{ a}}{{ b}}}\right)=\measuredangle C\\\\
-------------------------------\\\\
\begin{cases}
d=10\\
e=18\\
f=22
\end{cases}\implies cos^{-1}\left(\cfrac{{{ 18}}^2+{{ 22}}^2-10^2}{2(18)(22)}\right)=\measuredangle D$

$\bf \implies cos^{-1}\left(0.893\overline{93}\right)=\measuredangle D\implies 26.63^o\approx \measuredangle D$

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3 years ago

Santiago wants to walk at least 500 miles before the end of this year. He has already walked 437 miles, and there are 36 days le

Mrrafil [7]

Answer:

437+36x>=500

Step-by-step explanation:

This basically shows that 437 plus the x miles he will walk per day for 36 will total to more than or equal to 500

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3 years ago

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I have to turn this in tonight please help :(

Leni [432]

Answer:

angle a is 116 degrees

Step-by-step explanation:

ok so first we have to make everything equal to 180 because every triangle is 180 degrees so it would be written like this:

(14x + 4) + (5x - 1) + (2x + 9) = 180

Then, we solve for x and x equals 8

After this we plug 8 back into the angle so it would be written like this:

14(8) + 4

This equals 116 degrees.

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3 years ago

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Susie and her friends go bowling the cost of the renting shoes is $8 and the cost of each game is $2.50 how much will it cost th

zubka84 [21]

How many friends are their without the number of friends you cant answer it so the answer is unknown

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3 years ago