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3 years ago

Subtract (4x-3y) from the sun of (12x+9y) and (-2y)

Mathematics

1 answer:

Svetlanka [38]3 years ago

6 0

to begin with, we have to add 12x+9y+-2y we add like terms(y and y)

12x+7y

next, we have to subtract 4x-3y from 12x+9y

(12x+9y)-(4x-3y)

our answer is: 8x+12y

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What is 2.75% of 20? Please help me step by step.

Leona [35]

2.75%= convert it to a decimal

.0275

Now, multiply that by 20.

20*.0275= 0.55

0.55 is 2.75% of 20.

I hope this helps!
~kaikers

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3 years ago

Find the coordinates of the midpoint of<br> GH with endpoints G(-9, 3) and H(-2, 7).

Maurinko [17]

════════ ∘◦❁◦∘ ════════

<h3>Answer = (5/2),(7/2)</h3>

════════════════════

<h3>Known</h3>

x1 = (-9)

y1 = 3

x2 = (-2)

y2 = 7

════════════════════

<h3>Question</h3>

Mid point = ..?

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#note that . in this equation is ,

$mid \: poimt \: = ( \frac{y2 - y1}{2} ).( \frac{x2 - x1}{2} )$

$mid \: poimt \: = ( \frac{7 - 3}{2} ).( \frac{( - 2) - ( - 9) }{2} )$

$mid \: poimt \: = ( \frac{5}{2} ).( \frac{7}{2} )$

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3 years ago

Consider a standard deck of 52 cards (13 cards each in 4 suits, clubs, spades, diamonds and hearts). What is the probability of

Goryan [66]

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2 years ago

Simplify: ? (10x = 105 - (12x – 247)

Greeley [361]

Answer:

x = 16

Step-by-step explanation:

10x = 105 - (12x - 247) //Distribute - sign

10x = 105 - 12x + 247 // Add 12x & combine like terms

10x + 12x = 352

22x = 352 //Divide 22

x = 352/22

x = 16

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3 years ago

XZ is a common external tangent to circles W and Y. What is the distance between the two centers of the circles? Round to the ne

Svetlanka [38]

You can Draw a segment WY connecting the centers<span> of the </span>two circles<span>, and then draw a segment, WS, so that YS + SZ = YZ and WS ⊥ YZ).</span>

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4 years ago

Read 2 more answers