How do you do rotation of the origin ?

1 answer:

6 0

The rotation rule would be (-y, x)

Write/mark all your coordinates down. Now plot all your prime points and draw a line connecting them.

Hope this helps!~

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Mary is solving the equation: 3(x + 4)= 7x - 20. The first thing she does is rewrite the equation shown below. Which property di

Greeley [361]

Answer:

3(x + 4) = 7x - 20

3x + 12 = 7x - 20

x = 8

36 = 36

Step-by-step explanation:

3 0

3 years ago

Shelly is using a vase shaped like a triangular prism to display a dozen roses. The volume

erastova [34]

Answer:

11 inches

Step-by-step explanation:

Assume the base is right triangle.

<u>The volume:</u>

V = bh = 1/2abh

<u>Substitute values and solve for h:</u>

154 = 1/2(7)(4)h
154 = 14h
h = 154/14
h = 11 inches

7 0

3 years ago

Which equation represents the value of x? x=100−y2−−−−−−−√ x=10+y2 x=10−y x=y2+100−−−−−−−√ Right triangle A B C with angle B as

Nostrana [21]

Answer:

Therefore the required value of x,

$x=\sqrt{(100-y^{2})}$

Step-by-step explanation:

Given:

ΔBC is a Right Angle Triangle at ∠ B = 90°

As ∠ B = 90° , AC will be the Hypotenuse

AC = 10 = Hypotenuse

BC = y = Longer leg ( say )

AB = x = Shorter leg ( say )

To Find :

x = ?

Solution:

In Right Angle Triangle Δ ABC , By Pythagoras Theorem we get

$(\textrm{Hypotenuse})^{2} = (\textrm{Shorter leg})^{2}+(\textrm{Longer leg})^{2}$

Substituting the given values we get

$10^{2}= x^{2}+y^{2} \\\\x^{2}=100-y^{2} \\\\\textrm{square rooting on both the side we get}\\\\x=\sqrt{(100-y^{2})}\\\therefore x=\sqrt{(100-y^{2})}\ \textrm{ which is the required value of x}$