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MA_775_DIABLO [31]
3 years ago
7

Im pretty bad with coordinates anyone wanna help with an explanation and and answer please? Ty ​

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
4 0

Answer:

About 9.4

Step-by-step explanation:

64+25=89

sqr root of 89 is 9.4339

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Find PR<br><br> KL is 28<br> KM is 18<br> PT is 15.75
stepan [7]

Answer:

PR = 24.5

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{KL}{PR} = \frac{KM}{PT}, that is

\frac{28}{PR} = \frac{18}{15.75} ( cross- multiply )

18PR = 28 × 15.75 = 441 ( divide both sides by 18 )

PR = 24. 5

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A rectangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is240 ​yards, what are its​
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Step-by-step explanation:

Width = x

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3 years ago
In Exercises 1–4, let S be the collection of vectors cxyd in R2that satisfy the given property. In each case, either prove thatS
Artyom0805 [142]

Answer:

S is not the subspace of R^2

Step-by-step explanation:

Let us suppose two vectors u and v belong to the S such that the property of xy≥0 is verified than

u=\left[\begin{array}{c}-1 \\0\end{array}\right]

v=\left[\begin{array}{c}0 \\1\end{array}\right]

Both the vectors satisfy the given condition as follows and belong to the  S

x_u y_u=-1\times 0=0 \geq 0\\x_v y_v=1\times 0=0 \geq 0\\

Now S will be termed as subspace of R2 if

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  • ku also satisfy the condition

Taking u+v

u+v=\left[\begin{array}{c}-1 \\0\end{array}\right]+\left[\begin{array}{c}0 \\1\end{array}\right]\\u+v=\left[\begin{array}{c}-1+0 \\0+1\end{array}\right]\\u+v=\left[\begin{array}{c}-1 \\1\end{array}\right]

Now the condition is tested as

\\x_{u+v} y_{u+v}=-1\times 1=-1

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3 years ago
What is the common base for 2exp3 x 2 exp 8 ?
sweet [91]

Answer:

2

Step-by-step explanation:

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