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3 years ago

X/5 = 2 1/2 Fraction Have to find x

Mathematics

1 answer:

nadya68 [22]3 years ago

3 0

Answer:

x=12.5

Step-by-step explanation:

x=2 1/2 times 5

x=12.5

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A school raises $4,000 for its new library. 36% of that money is used to buy reference books. How much money is used to buy refe

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Can u show me an example so I could do this foru

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4 years ago

With full explanation from the internet like before 3x2-6x+5=0

Elodia [21]

Answer:

$\sf x=1+i\sqrt{\dfrac{2}{3}} \ \quad and \quad \:x=1-i\sqrt{\dfrac{2}{3}}$

Explanation:

Given Expression:

3x² - 6x + 5 = 0

Use the Quadratic Formula:

$\sf x = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{2a} \ \ when \ \ ax^2 + bx + c = 0$

insert coefficients

$\Longrightarrow \sf x = \dfrac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:3\cdot \:5}}{2\cdot \:3}$

$\Longrightarrow \sf x = \dfrac{\left6\right\pm \sqrt{-24} }{6}$

$\Longrightarrow \sf x = \dfrac{\left6\right\pm 2\sqrt{6}i}{6}$

$\Longrightarrow \sf x =1 \pm i\dfrac{\sqrt{6} }{3}$

$\Longrightarrow \sf x=1+i\sqrt{\dfrac{2}{3}}, \quad 1-i\sqrt{\dfrac{2}{3}}$

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2 years ago

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Christian reads 14 book every 23 week. How many books does Christian read per week? 16 38 223 6

Drupady [299]

｡☆✼★ ━━━━━━━━━━━━━━ ☾

Divide by 2 to get 1/3 of the week:

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Multiply by 3 to get the full week:

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Thus your answer is B. 3/8

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3 years ago

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What are the values of x and y? (Explain please it will help a lot,thanks)

Kitty [74]

X = 80
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If you look at only the left triangle, you can see that x is part of one of the angles. The 3 interior angles of the triangle add up to 180 degrees, so subtracting the other two angles, you get x + 30 = 110, or x = 80.

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