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2 years ago

Find the magnitude and direction of r+u please help !!

Mathematics

1 answer:

solniwko [45]2 years ago

3 0

Answer:

5.4 cm; 133 degrees

Step-by-step explanation:

hope this helps

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astra-53 [7]

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3 years ago

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The radius of a cylindrical gift box is (3x + 1) inches. The height of the gift box is three times the radius What is the surfac

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2 years ago

How many liters of pure water must be added to how many liters of a 25% bleach solution to make 12 liters of a 15% bleach soluti

ArbitrLikvidat [17]

Answer: 4.8 liters

Step-by-step explanation:

Let x liter of water is added with y liter of 25% beach solution.

Thus, According to the question,

x + y = 12 -------(1)

0% of x + 25 % of y = 15 % of 12

25 % of y = 15% of 12

$25 y = 15\times 12$

$y = \frac{180}{25}$

$y = \frac{36}{5}$

Put this value in equation (1),

We get,

$x + \frac{36}{5} = 12$

$x = 12-\frac{36}{5}$

$x =\frac{60-36}{5}$

$x =\frac{24}{5}$

Therefore, the quantity of water = $x =\frac{24}{5}=4.8\text{ liter}$

And, the quantity of 25% bleach solution = $y =\frac{36}{5}=7.2\text{ liter}$

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2 years ago

A box is 3 inches by 2 feet by 10 yards. How many cubic inches are in the box? How many cubic yards are in the box? (Show all wo

IceJOKER [234]

Answer:

There are 25920 cubic inches and 0.56 cubic yards in the box.

Step-by-step explanation:

Given:

The dimensions of the box are 3 in by 2 ft by 10 yd.

Convert all in inches.

We know that, 1 ft = 12 in

So, $2\textrm{ ft} = 2\times 12 = 24\textrm{ in}$

Also, 1 yd = 36 in

So, $10\textrm{ yd} = 10\times 36 = 360\textrm{ yd}$

Now, volume of the box in cubic inches is given as:

$V=3\times 24\times 360=25920\textrm{ }in^{3}$

Now, we know that,

$1\textrm{ in} = \frac{1}{36}\textrm{ yd}\\1\textrm{ }in^{3}=\frac{1}{36^{3}}\textrm{ }yd^{3}$

Therefore,

$25920\textrm{ }in^{3}=25920\times \frac{1}{36^{3}}= 0.56\textrm{ }yd^{3}$

So, there are 25920 cubic inches and 0.56 cubic yards in the box.

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2 years ago