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Tamiku [17]
2 years ago
5

Help me pls help me pls

Mathematics
2 answers:
lara31 [8.8K]2 years ago
5 0

Answer:

v = k√E

Step-by-step explanation:

v is proportional to square root of E means:

v ϱ √E

the general formula for variation is y=kx

as y is proportional to x

Semenov [28]2 years ago
4 0

Answer:

v = k\sqrt{E}

Step-by-step explanation:

Given v is proportional to \sqrt{E} then the equation relating them is

v = k\sqrt{E} ← k is the constant of proportion

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C. -X to the 3rd power, 4x to the second power and 5x all share the common factor or X, therefore you put it outside the parenthesis. What you have left is -X to the second power minus 4x minus 5.
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3 years ago
Marvin has a standard deck of cards, what is the probability of 5?
Nonamiya [84]

Answer: 4/52

Step-by-step explanation:

Because thwre are 4, fives in a normal deck so the probability would be 4/52 not simplifyed

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3 years ago
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Will mark brainliest!!!!!<br> complete this statement<br> 15x^4a^2+20x^2a^3=5x^2a^2 ( )
Angelina_Jolie [31]
15x^4a^2+20x^2a^3=5x^2a^2 (3x^2+ 4a )

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5 0
3 years ago
If T: (x, y) → (x + 6, y + 4), then T-1: (x,y) → _____.
alexgriva [62]

T is a linear transformation from R²→R² with basis {(1,0),(0,1)}
T: (x,y)→(x+6,y+4)

A function from one vector space to another that preserves the underlying (linear) structure of each vector space is called a linear transformation.

Then the vector (1,0) goes to (1+6,4)=(7,4)=7(1,0)+4(0,1)

and the vector (0,1) goes to (6,1+4)=(6,5)=6(1,0)+5(0,1)

So, the matrix of the transformation is

\left[\begin{array}{ccc}7&6\\4&5\end{array}\right]

The inverse of the matrix is

\left[\begin{array}{ccc}\frac{5}{11}&\frac{-6}{11}\\ \\\frac{-4}{11}&\frac{7}{11}\end{array}\right]

So, the Inverse Transformation is given by

T^{-1}(x,y)=\left[\begin{array}{ccc}\frac{5}{11}&\frac{-6}{11}\\ \\\frac{-4}{11}&\frac{7}{11}\end{array}\right]\left[\begin{array}{ccc}x\\y\end{array}\right] =(\frac{5x-6y}{11}, \frac{-4x+7y}{11})

So, no option is correct. And the answer is

T^{-1}(x,y)=(\frac{5x-6y}{11}, \frac{-4x+7y}{11})

Learn more about linear transformations here-

brainly.com/question/13005179

#SPJ10

5 0
2 years ago
Write 77.5% as a fraction or mixed number in simplest form.
Delicious77 [7]

Answer:

The answer is  77\frac{1}{2} .

Step-by-step explanation:

Given:

77.5%.

Now, to write as a fraction or mixed number in simplest form.

77.5%

So, we divide by 10 by removing decimal as decimal is at tenth place.

= \frac{775}{10}

So, simplifying it:

=\frac{155}{2}

Now, we change into mixed fraction:

=77\frac{1}{2}

Therefore, the answer is 77\frac{1}{2} .

7 0
3 years ago
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