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3 years ago

Type the correct answer in the box. In this triangle, = .

Mathematics

1 answer:

lyudmila [28]3 years ago

5 0

Answer:

I got 1

Step-by-step explanation:

cos A/cos B

(3/4.24) / (3/4.24)

Since anything over itself is 1, the answer is 1

Hope this helps ;)

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You need 100L of a solution that is 12% alcohol. You have a 5% alcohol solution and a 15% alcohol solution. How much of each sho

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Answer:

You would have 32% of alcohol and still have 100L of a solution.Because i took the test.

Step-by-step explanation:

12%+5%+15%=

17%+15%=

32%

4 0

4 years ago

The volume of a cube is 27 n Superscript 27cubic units. What is the length of one side of the cube? 3 n cubed units 3 n Superscr

NeTakaya

The length of side of cube is $3n^9$ units

Solution:

Given that, volume of cube is $27n^{27}$ cubic units

To find: length of one side of cube

The volume of a cube is given as:

$v = a^3$

Where, "a" is the length of side of cube

Substituting the given value of volume we get,

$27n^{27} = a^3$ ------ eqn 1

We know that,

$27 = 3 \times 3 \times 3 = 3^3$

Substitute the above in eqn 1

$3^3 n^{27} = a^3$

Now again substitute for 27 = 3 x 9

$3^3n^{3.9} = a^3$

Take 3 as common power

$(3n^9)^3 = a^3$

By taking cube roots on both side,

$3n^9 = a\\\\a = 3n^9$

Thus length of side of cube is $3n^9$ units

8 0

3 years ago

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A truck hauled 208 cubic feet of sand to a construction site the sand is dumped into a cone shaped pile of 10 feet

stealth61 [152]

Answer:

8.9 feet to the nearest tenth.

Step-by-step explanation:

The volume of a cone is 1/3 π r^2 h where r = the radius of the base and h = the height.

So we have the equation:

208 = 1/3 π r^2 10

r^2 = 208 / (1/3 * π * 10)

r^2 = 19.85 sq feet

so r = √19.86

= 4.457 feet.

So the diameter = 2 * 4.457 = 8.914 feet.

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4 years ago

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Murljashka [212]

#4 is B
#5 is B
These are my answers.

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A ladder that is 21 feet long is propped against a building. The bottom of the ladder was placed 4 feet from the base of the bui

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Answer:

sorry im late but the answer is C. 20.6

Step-by-step explanation:

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