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3 years ago

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By selling a bag at RS 1500 and RS 2100, there is some profit respectively. if the loss is twice the profit, find its cost price

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Doss [256]3 years ago

6 0

may be this helpfulness!

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Solve the equation.<br><br> 5x + 8 - 3x = -10

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Answer:

x=-9

Step-by-step explanation:

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In a certain lottery, an urn contains balls numbered 1 to 34. from this urn, 6 balls are chosen randomly, without replacement

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$\displaystyle |\Omega|=\binom{34}{6}=\dfrac{34!}{6!28!}=\dfrac{29\cdot30\cdot31\cdot32\cdot33\cdot34}{2\cdot3\cdot4\cdot5\cdot6}=1344904\\ |A|=1\\\\ P(A)=\dfrac{1}{1344904}$

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Round 937,003 to the nearest ten thousand

prisoha [69]

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937000

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Step by Step Ex:

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Find each absolute value<br><br>| 4+2i |<br><br>| 5-i |<br><br>| -3i |

galina1969 [7]

How to get answer for number 1: | 4+2i |

$\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=4,\:b=2\\=\sqrt{4^2+2^2}\\Refine\\=\sqrt{20}\\\sqrt{20}=2\sqrt{5}\\=2\sqrt{5}$

How to get answer for number 2: | 5-i |

$\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=5,\:b=-1\\=\sqrt{5^2+\left(-1\right)^2}\\=\sqrt{26}$

Number 3 how to get answer: | -3i |

$\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=0,\:b=-3\\=\sqrt{0^2+\left(-3\right)^2}\\Refine\\=\sqrt{9}\\\sqrt{9}\\\mathrm{Factor\:the\:number:\:}\:9=3^2\\=\sqrt{3^2}\\\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a^n}=a\\\sqrt{3^2}=3\\= 3$

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3 years ago

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A rectangle has a length of twenty one cm and a diagonal of twenty nine cm. How wide is the rectangle?

GuDViN [60]

The width of the rectangle become 20 cm.

According to the statement

we have to find the width of the rectangle.

So, For this purpose, we know that the

Rectangle is a parallelogram all of whose angles are right angles.

According to the information:

A rectangle has a length of 21 cm and a diagonal of 29 cm.

Here we use the this formula

d² = l² + w²

So, Substitute the values

29² = 21² + w²

841 = 441 + w²

Now, solve it then

w² = 400

Solve the square root then value becomes

w = 20 cm.

The width of the rectangle become 20 cm.

So, The width of the rectangle become 20 cm.

Learn more about Rectangle here

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1 year ago