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人気のある代数 >

456.4=0.68100X*1.79(4.69-0.4X)

解

456.4 = 0.68 \cdot 100 \cdot X \cdot 1.79 \cdot (4.69 - 0.4 \cdot X)

解

X = \frac{570.8668 - 237004.09054 \dots}{97.376}, X = \frac{570.8668 + 237004.09054 \dots}{97.376}

+1

十進法表記

X = 0.86300 \dots, X = 10.86199 \dots

解答ステップ

456.4 = 0.68 \cdot 100 X \cdot 1.79 (4.69 - 0.4 X)

拡張

0.68 \cdot 100 X \cdot 1.79 (4.69 - 0.4 X) : 570.8668 X - 48.688 X^{2}

456.4 = 570.8668 X - 48.688 X^{2}

辺を交換する

570.8668 X - 48.688 X^{2} = 456.4

456.4

を左側に移動します

570.8668 X - 48.688 X^{2} - 456.4 = 0

標準的な形式で書く

a x^{2} + b x + c = 0

- 48.688 X^{2} + 570.8668 X - 456.4 = 0

解くとthe二次式

X_{1, 2} = \frac{- 570.8668 \pm 570.866 8 ^{2} - 4 ( - 48.688 ) ( - 456.4 )}{2 ( - 48.688 )}

570.866 8^{2} - 4 (- 48.688) (- 456.4) = 237004.09054 \dots

X_{1, 2} = \frac{- 570.8668 \pm 237004.09054 \dots}{2 ( - 48.688 )}

解を分離する

X_{1} = \frac{- 570.8668 + 237004.09054 \dots}{2 ( - 48.688 )}, X_{2} = \frac{- 570.8668 - 237004.09054 \dots}{2 ( - 48.688 )}

X = \frac{- 570.8668 + 237004.09054 \dots}{2 ( - 48.688 )} : \frac{570.8668 - 237004.09054 \dots}{97.376}

X = \frac{- 570.8668 - 237004.09054 \dots}{2 ( - 48.688 )} : \frac{570.8668 + 237004.09054 \dots}{97.376}

二次equationの解:

X = \frac{570.8668 - 237004.09054 \dots}{97.376}, X = \frac{570.8668 + 237004.09054 \dots}{97.376}

グラフ

人気の例

0.25 = - 0.5 x^{2} + x

7^{2} + 1^{2} = c^{2}

X*(1-0.59*X)=0.14462

X \cdot (1 - 0.59 \cdot X) = 0.14462

(-x-4)(4x-2+3)=-(6x-8)+(2x-4+3)

(- x - 4) (4 x - 2 + 3) = - (6 x - 8) + (2 x - 4 + 3)

solvefor x,(x-7)^2+y^2=r^2

so l v e f or x, (x - 7)^{2} + y^{2} = r^{2}