Nina bought a computer mouse for $9.30.She paid with a $20 dollar bill how much money din she get back

Mathematics

1 answer:

Tpy6a [65]3 years ago

6 0

Answer: $\$10.7$

Step-by-step explanation:

Given

Nina bought a computer mouse for $9.30

She paid a $20 dollar bill

The money she received is the difference between what is paid and the cost of the mouse i.e.

$\Rightarrow 20-9.3\\\Rightarrow \$10.7$

Therefore, she gets $\$10.7$ after deductions.

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The lengths of the diagonals of a rhombus are 4x and 8x. What algebraic expression gives the perimeter of the rhombus?

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

<em>" when point M (h, k) is rotated about the origin O through 90° in anticlockwise direction or we can say counter clockwise. The new position of point </em><em>M (h, k) will become M' (-k, h) "</em>

We are given a trapezoid such that the vertices of trapezoid are:

E(-4,8) , F(-7,5) , G(-4,3) , H(-2,5)

Then the new coordinates after the given transformation is:

E(-4,8) → E'(-8,-4)

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Hence the coordinates of the endpoints of the side congruent to side EF is:

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