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3 years ago

6

An American football field is 20 yards longer than a soccer field. An American football field is 120 yards long. How long is a s

occer field? Circle the correct answer.

1 answer:

Anni [7]3 years ago

5 0

Answer:

A soccer field is 100 Yards.

Step-by-step explanation:

120-100=100yds.

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cos (x°) = sin (90 - x°) Using complete sentences, explain why an infinite number of x values that will prove the trigonometric

Setler79 [48]

Cosx= sin(90-x)
From the RHS,
sin(90-x)= sin90cosx-cos90sinx
Since sin90=1, cos90=0
sin90cosx-cos90sinx=cosx-0=cosx (proven)

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4 years ago

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A number y is 3 times greater than a number x. Which equation shows this relationship

vladimir1956 [14]

Answer:

y = 3x

Step-by-step explanation:

y is 3 times greater than x. So to get Y you would have multiply x 3 times. 3x = 3 * x.

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3 years ago

What is 0.36 expressed as a fraction in simplest form when the 6 is repeating?

Vsevolod [243]

The easiest way think of .36 as 36/100 and then divide by 2's.
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3 years ago

An aspect ratio of 4:3 means that the width of the screen is about 1.333 times the height of the screen, because 1.333. Use this

NeX [460]

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Step-by-step explanation:

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3 years ago

Solve the linear eqvations by matrix inversion method 2x -2y = 4 , 3x + 2y = 6

Alex73 [517]

Answer:

The answer is below

Step-by-step explanation:

A linear graph has an equation of the form:

y = mx + b,

where y and x are variables, m is the slope (rate of change) of the graph and b is the y intercept (value of y when x is 0).

Given that:

2x -2y = 4 , 3x + 2y = 6

The matrix form of the equation is:

AX = B

$A=\left[\begin{array}{cc}2&-2\\3&2\end{array}\right] ,X=\left[\begin{array}{c}x\\y\end{array}\right] ,B=\left[\begin{array}{c}4\\6\end{array}\right] \\\\Therefore:\\\\\left[\begin{array}{cc}2&-2\\3&2\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] =\left[\begin{array}{c}4\\6\end{array}\right] \\\\\left[\begin{array}{c}x\\y\end{array}\right] =\left[\begin{array}{cc}2&-2\\3&2\end{array}\right]^{-1} \left[\begin{array}{c}4\\6\end{array}\right] \\\\$

$\left[\begin{array}{c}x\\y\end{array}\right] =\left[\begin{array}{cc}0.2&0.2\\-0.3&0.2\end{array}\right] \left[\begin{array}{c}4\\6\end{array}\right] \\\\\left[\begin{array}{c}x\\y\end{array}\right] =\left[\begin{array}{c}2\\0\end{array}\right]$

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3 years ago