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Ostrovityanka [42]
3 years ago
11

If your desk is36 inches how many feet is it

Mathematics
2 answers:
yuradex [85]3 years ago
5 0
One foot is 12 inches, so 36 divided by 12 equals 3 feet.
snow_lady [41]3 years ago
4 0
THREE FEET. THE DESK IS THREE FEET TALL. I HEREBY ACKNOWLEDGE THAT THE NUMBER OF LEGS THE DESK HAS IS NOT RELEVANT. 
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Show work
nika2105 [10]
Let's call the distance from the beach to the playground x.
Let's call the distance from the stand to the parking lot z.
Let's call the base of the biggest triangle in the picture (from the parking lot to the left) y.

Recall the pythagorean theorem: the sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse.

There are three right triangles we can work with.

Triangle with sides 48, x and z. Here z is the hypotenuse so we get the equation x^{2} + 48^{2} = z^{2}

Triangle with sides 27, x and y. Here y is the hypotenuse so we get 27^{2} + x^{2} = y^{2}

Triangle with sides z, y and (48+27). Here (48+27) is the hypotenuse so we get y^{2} + z^{2} = (27+48)^{2}. That is, y^{2} + z^{2} = 5625

We have 3 equations and 3 unknowns (x, y and z). So let's take the last equation: y^{2} + z^{2} = 5625 and replace z^{2} and y^{2} using expressions that contain an expression in terms of x from the first two equations we came up with.

That gives us: 48^{2} + x^{2} + x^{2} + 27^{2} =5625 which we solve for x as follows:

2 x^{2} + 3033 =5625
2x^{2}  =2592
 x^{2} =1296
x=36

Now that we know x we can substitute 36 for x into the equation 48^{2} + x^{2} = z^{2} and solve for z as follows:
48^{2} + 36^{2} = z^{2} 
2304+1296=z^{2} 
3600=z^{2} 
z=60

This means that the distance from the beach to the parking lot is 36 m and the distance from the stand to the parking lot is 60 m.
4 0
3 years ago
Read 2 more answers
Please help me with this question I also need to see the steps if possible!
umka21 [38]

Hi there!

To solve, we must use the following trig identity:

sin(u - v) = sin(u)cos(v) - sin(v)cos(u)

We can rewrite the left hand side of the equation as:

\frac{sin(u)cos(v)-sin(v)cos(u)}{sin(u)cos(v)}

Split the fraction:

\frac{sin(u)cos(v)}{sin(u)cos(v)} - \frac{sin(v)cos(u)}{sin(u)cos(v)} =

First fraction reduces to 1:

1 - \frac{sin(v)cos(u)}{sin(u)cos(v)} =

Simpify each with common arguments:

1 - tan(v)cot(u)

4 0
3 years ago
Please help with the top 3 i’ll give u brainliest, what is the volume of the figures below?
jasenka [17]

Answer:

im sorry but i only know the second one, i believe its 224.3

Step-by-step explanation:

8 0
3 years ago
The probability of drawing a heart from a standard deck of 52 playing cards is 1 4 . The probability of drawing a face card from
hoa [83]
We need Probability of drawing a heart Or drawing a face card other than a heart. 

This is 1/4 + 9/52  = 11/26
C is the correct choice.
8 0
3 years ago
Read 2 more answers
Can anyone help me please
Lena [83]

Answer:

$55.24

Step-by-step explanation:

Add $32.78 + $27.24 + $5.22

= 65.24

Subtract 10

= $55.24

4 0
3 years ago
Read 2 more answers
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