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KengaRu [80]
3 years ago
8

Pleaseeeee help me with number 7 I will give Brainly to whoever comments the answer right

Mathematics
1 answer:
natali 33 [55]3 years ago
6 0

Answer:

- to find r3 multiply 1700 by itself 3 times

- r3 is 4913000000

- multiply by pi

- the units are kilo meters cubed

Step-by-step explanation:

ugh i suck at math but here goes, sorry if it was wrong :)

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HELP ASAP <br> What are the square roots of 36 /100?
Vanyuwa [196]

sqrt(36/100) = +-6/10

You find the square root of the numerator and the denominator.

3 0
3 years ago
Please please help me please
MAVERICK [17]

Answer:

1st option is the answer

Step-by-step explanation:

blue line:  slope is 1 and y-intercept is 1; therefore equation is y= x + 1

red line:  slope is -1 and y-intercept is -3; therefore equation is y= -x - 3

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3 years ago
If the circumference of a circle is 201 centimeters what is the radius of the circle (to the nearest whole number)? Use 3.14 for
saul85 [17]
Formula for circumference:  C = 2pi*r

This becomes 201 cm = 2(3.14) r

Divide both sides of this eqn by 6.28:

201
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6.28 
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3 years ago
What is 120 to 130 kilometers per hour when converted to miles per hour?
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3 0
4 years ago
Find a matrix representation of the transformation L(x, y) = (3x + 4y, x − 2y).
mario62 [17]

Answer:

\left[\begin{array}{cc}x&y\end{array}\right] * \left[\begin{array}{cc}3&1\\4&-2\end{array}\right] = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]

Step-by-step explanation:

The general matrix representation for this transformation would be:

\left[\begin{array}{cc}x&y\end{array}\right] * A = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]

As the matrix A should have the same amount of rows as columns in the firs matrix and the same amount of columns as the result matrix it should be a 2x2 matrix.

\left[\begin{array}{cc}x&y\end{array}\right] * \left[\begin{array}{cc}a&b\\c&d\end{array}\right] = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]

Solving the matrix product you have that the members of the result matrix are:

3x+4y = a*x + c*y

x - 2y = b*x + d*y

So the matrix A should be:

\left[\begin{array}{cc}3&1\\4&-2\end{array}\right]

8 0
3 years ago
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