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3 years ago

Which pairs of angles in the figure below are virtual angles? Check all that apply

Mathematics

1 answer:

Sav [38]3 years ago

7 0

Can you provide a picture of the angles? Thanks <3

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Find the distance and the midpoint between the points (-1,1) and (3,4)

Ymorist [56]

Answer:

Step-by-step explanation:

hshehdbd

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3 years ago

If x= 7 - 4√3 then find the value of (a) (x+1/x) rais to 2 b) x rais 2+1/x rais to 2

ololo11 [35]

The equation x = 7 - 4√3 is a radical expression, and the value of the radical expression is $(x + \frac 1x)^2 = 3650401 -2107560\sqrt 3$

<h3>How to solve the expressions?</h3>

The equation is given as:

x = 7 - 4√3

So, we have:

$(x + \frac 1x)^2 = (7 - 4\sqrt 3 + \frac{1}{7 - 4\sqrt 3})^2$

Take the LCM

$(x + \frac 1x)^2 = (\frac{49 -56\sqrt3 + 48}{7 - 4\sqrt 3})^2$

Evaluate the like terms

$(x + \frac 1x)^2 = (\frac{97 -56\sqrt3 }{7 - 4\sqrt 3})^2$

Rationalize

$(x + \frac 1x)^2 = (\frac{(97 -56\sqrt3)(7 - 4\sqrt 3) }{49 -48})^2$

Evaluate the difference

$(x + \frac 1x)^2 = ((97 -56\sqrt3)(7 - 4\sqrt 3))^2$

Expand

$(x + \frac 1x)^2 = (679 -388\sqrt 3 -392\sqrt 3 + 672)^2$

Evaluate the like terms

$(x + \frac 1x)^2 = (1351 -780\sqrt 3 )^2$

Expand

$(x + \frac 1x)^2 = 1825201 +1825200 -2107560\sqrt 3$

$(x + \frac 1x)^2 = 3650401 -2107560\sqrt 3$

Hence, the value of the radical expression is $(x + \frac 1x)^2 = 3650401 -2107560\sqrt 3$

Read more about radical expressions at:

brainly.com/question/8952483

#SPJ1

4 0

2 years ago

Help me ASAP !!!!!!!

Cloud [144]

Answer:

y=2x+7

Step-by-step explanation:-

4y=8x+28

y=2x+7

Hope it helps!!

4 0

3 years ago

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Distribute and simplify the radicals below

nlexa [21]

Answer:

i think A is answer you should to do

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3 years ago

Circle the tens digit in each number 31, 94, 17,

Ludmilka [50]

You would circle the 3 in 31, the 9 in 94, and the 1 in 17

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3 years ago

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