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2 years ago

What are two ratios that are equivalent to 2: 12. Choose 2 answers:

Mathematics

2 answers:

julsineya [31]2 years ago

5 0

Answer:❖ Two ratios that are equivalent to 2:12 are 1:6 and 3:18.

2: 12 is simplified to 1:6.

3 x 1 = 3

3 x 6 = 18

2 x 1 =2

2 x 6 = 12

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

fenix001 [56]2 years ago

3 0

Answer:

yo dude it says choose two answers but there's nothing to choose from

Step-by-step explanation:

I'll just give you two answers that equal to the ratio 2:12

- 1:6

- 4:24

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BD=16 and ÁT is the<br> perpendicular bisector of BD. Y=?

iren2701 [21]

Answer:

$y= 5$

Step-by-step explanation:

Given

$BD = 16$

$BC = 2y - 2$

$CD = y + 3$

Required

Find y

$BD = BC + CD$

So, the expression becomes

$16 = 2y - 2 + y + 3$

Collect like terms

$16 = 2y + y- 2 + 3$

$16 = 3y+1$

Collect like terms

$3y = 16 - 1$

$3y = 15$

Make y the subject

$y= 15/3$

$y= 5$

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2 years ago

What’s the answer to (16-x)2?

Oxana [17]

Answer:

-x + 18

Step-by-step explanation:

just add 16 and 2. this is the furthest it can be simplified

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2 years ago

Which expression is equivalent to the number 144?

motikmotik

Answer:

Step-by-step explanation:

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2 years ago

1+4 =5, 2+5=12, 3+6=21 then 8+11 ...

Katena32 [7]

The answer to 8 + 11 is 19

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2 years ago

Read 2 more answers

Complete the square than convert to vertex form. y=2x^2+8x-9

8_murik_8 [283]

$y=2x^2+8x-9\\D=b^2-4ac\\D=64-4(2)(-9)\\D=64+72 > 0$

There are 2 roots so the only way to complete the square is,

$y=2x^2+8x-9\\y=2[(x^2+4x)]-9\\y=2[(x^2+4x+4)-4]-9\\y=2[(x+2)^2-4]-9\\y=2(x+2)^2-8-9\\y=2(x+2)^2-17$

Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.

then complete the square and multiply 2 inside the brackets.

subtraction as you already get the vertex form and know how to complete the square.

Vertex Form: $y=2(x+2)^2-17$

3 0

2 years ago