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schepotkina [342]
2 years ago
13

Find the missing term. (x12)5 x (x-2)⁹ X ____= (140)5

Mathematics
1 answer:
lutik1710 [3]2 years ago
5 0

Answer:

x12×x5x×x-2×9) ____=((140)5

60x × (x-18)x _______=(140)5

60x×x-10x _______=(140)5

60x-18x______=140×5

42x_______=700

42x-42x ____=700-42x

658x

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Please help me with math thanks
Korvikt [17]
Given that a room is shaped like a golden rectangle, and the length is 29 ft with the ratio of  golden rectangle being (1+√5):2, thus the width of the room will be:
ratio of golden triangle=(length if the room)/(width of the room)
let the width be x
thus plugging the values in the expression we get:
29/x=(1+√5)/2
solving for x we get:
x/29=2/(1+√5)
thus
x=(29×2)/(1+√5)
answer is:
x=58/(1+√5)
or
 byrationalizing the denominator by multiplying both the numerator and the denominator by (1-√5)
58/(1+√5)×(1-√5)/(1-√5)
=[58(1-√5)]/1-5
=(58√5-58)/4
7 0
4 years ago
<img src="https://tex.z-dn.net/?f=34280%2Bd%2B1000%3E3680" id="TexFormula1" title="34280+d+1000&gt;3680" alt="34280+d+1000&gt;36
nadya68 [22]
You have to isolate the variable just as if there was an equal sign
34280 + d + 1000 > 3680              (subtract 1000 from both sides)
34280 + d > 2680                          (subtract 34280 from both sides)
d > -31600
4 0
4 years ago
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