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Komok [63]
3 years ago
14

Kesley is thinking of a number. She says that it’s the sum of a number and nine. Multiplied by 2/3, is equal to -18.

Mathematics
1 answer:
Aliun [14]3 years ago
7 0

Answer:

Only the firsts and fourth choices (\frac{2}{3}(x+9)=-18 and \frac{2}{3}x+6=-18)

Step-by-step explanation:

Turn the equation into words:

"A number plus 9"

(x+9)

"Multiplied by \frac{2}{3}"

\frac{2}{3} (x+9)

"Is equals to -18"

\frac{2}{3}(x+9)=-18

Distribute to find the second equation:

\frac{2}{3}(x+9)=-18\\\frac{2}{3}x+6=-18

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Help question is on the attachment​
miv72 [106K]

Answer:

7/12

Step-by-step explanation:

2x6 =12 for the dinominator the nummarraton is 6 +1 =7

4 0
3 years ago
Which word is the conjunction in this sentence?
emmasim [6.3K]
A conjunction is a word that joins words or phrases. <em>For, and, nor, but, or, yet, so...</em>The conjunction in this sentence would be and.

(<em>most</em> is an adverb, <em>wow</em> is an interjection, and <em>of</em> is a preposition)
3 0
4 years ago
Please explain how you got the answers also please. Thank you :)
Umnica [9.8K]

Answer:

x = -2 —> y = 4

x= 0 —> y = 1

x= 3 —> y = 1/8

Step-by-step explanation:

<h3>X= –2</h3>

y = ( \frac{1}{2} ) ^{x}  \\ y = ( \frac{1}{2} ) ^{ - 2}  =(  \frac{2}{1} ) ^{2}  =  {2}^{2}  = 4

<h3>X= 0</h3>

y = ( \frac{1}{2} ) ^{x}  \\ y = ( \frac{1}{2} ) ^{ 0}  =1

<h3>X= 3</h3>

y = ( \frac{1}{2} ) ^{x}  \\ y = ( \frac{1}{2} ) ^{ 3}  =  \frac{ {1}^{3} }{ {2}^{3} } =  \frac{1}{8}

I hope I helped you^_^

7 0
3 years ago
How do you simplify -14/63
leonid [27]
14 = 7*2
63 = 7*9

14      7 * 2                                  2          2
---- =  -------    7/7 =1, so  = 1 * ------ =   ----
63      7 * 9                                  9          9
7 0
3 years ago
Can someone help me solve this problem​
uranmaximum [27]

Answer:

18 and 40

Step-by-step explanation:

Let x be the age of Claire and y the age of her mother

Claire's mother is 4 years more than twice Claire's age

  • y = 2x+4

The sum of their ages are is 58

  • x+y = 58

the system is:

\left \{ {{y=2x-4} \atop {y+x=58}} \right.  

Multiply (y+x = 58) by -1 and then add it to (y = 2x+4) to eliminate y

  • -y-x = -58
  • -y-x+y = 2x+4-58
  • -x -2x = -54
  • -3x = -54
  • x = 54/3
  • x = 18

y= 58-18 = 40

so claire's mother is 40 years old and claire is 18

6 0
3 years ago
Read 2 more answers
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