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2 years ago

What is (2,3) (4,1) (6,2) and (3,5) reflected across the y-axis ?

1 answer:

3 0

What are the units they have to be reflected by? here’s a bit of help:

x= up and down units
y= left and right units

i forgot if you add or subtract, but hopefully someone smarter will (:

good luck!

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Simplify the surd 3√ 20 +√ 45

melisa1 [442]

Answer:

9 $\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplify the radicals

$\sqrt{20}$

= $\sqrt{4(5)}$

= $\sqrt{4}$ × $\sqrt{5}$

= 2 $\sqrt{5}$

$\sqrt{45}$

= $\sqrt{9(5)}$

= $\sqrt{9}$ × $\sqrt{5}$

= 3 $\sqrt{5}$

Then

3 $\sqrt{20}$ + $\sqrt{45}$

= 3(2 $\sqrt{5}$ ) + 3 $\sqrt{5}$

= 6 $\sqrt{5}$ + 3 $\sqrt{5}$

= 9 $\sqrt{5}$

3 0

2 years ago

Read 2 more answers

If anyone can help me with these problems I will marry u seriously plz

belka [17]

27: C 28: B 29. A

And I kindly decline the marriage offer lol. If you need an explanation of how I did this then I will gladly do so they are pretty simple.

8 0

3 years ago

Determine a series of transformations that would map polygon ABCD onto polygon A’B’C’D’?

Natalija [7]

refection and translation i think

hdjdjsjsj I hope I got it right

I'm not sure if its a dilation if its getting smaller not bigger

7 0

2 years ago

Which angle is supplementary to 65 degrees

Alexeev081 [22]

Answer:

115°

Step-by-step explanation:

Supplementary angles equal 180.

180-65=115°

6 0

3 years ago

Read 2 more answers

F ( x ) = 5 ( 2 − x ) , what is the value of f ( − 8 )

Pepsi [2]

Answer:

Step-by-step explanation:

solved

7 0

2 years ago